Clear Sky Chart

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S p o n s o r e d?	Chart	Preview color key	Light Pollution	Prov/State	Comments/Links
	"Flying F" Observatory			Colorado	A private observatory near Creede.
	"Way The Held Out" Observatory			Pennsylvania	A private observatory near Conneautville.
	3 Angels Observatory			Mississippi	A private observatory near the Daniel Electric Plant.
	3 Herons Observatory			Vermont	A private observatory near Cambridge Junction.
	3 Mile Observatory			Texas	A private observatory near Marfa.
	3B Observatory			North Carolina	A private observatory near Clayton.
	61" Kuiper Telescope			Arizona	Telescope of the Steward Observatory. On Mount Bigelow.
	7500 Foot Desert Observatory			Colorado	A private observatory.
	808.5 Observatory			South Carolina	A private observatory near Wesley Chapel.
	A Shooting Star Observatory			Arizona	Observatory of A Shooting Star Inn. In Kendrick Park.
	A-T-P			New Mexico	AKA AstroTelePort. A private observatory.
	AAAA Galway			New York	An observing site of the Albany Area Amateur Astronomers. Near Galway.
	AACC Astronomy Lab			Maryland	Observatory of Anne Arundel Community College, and home of the AACC Astronomy Club.
	AASO/Ridgemont Observatory			Kentucky	Observatory near Lone Oak.
	ACME Planetary Observatory			North Carolina	A private observatory near Raeford.
	ACT Observatory			Oklahoma	An observatory of the Astronomy Club of Tulsa.
	AGS Observatory			New Mexico	A private observatory near Datil.
	AI2 Observatory			Pennsylvania	A private observatory.
	AIG public observatory			Kentucky
	AJP Observatory			New Brunswick	A private observatory near West Collette.
	ALPHA Observatory			Maryland	Observatory of Capitol Technology University.
	AST@RHO			Florida	Automated Student Telescope at Rosemary Hill Observatory. Near Bronson, which is about 30 miles from UF campus.
	ASTROTX Observatory			Texas	A private observatory near Garland.
	ASU Dark Sky Observatory			North Carolina	Observatory (DSO) of Appalachian State University. Near Phillips Gap.
	AUGO			Alberta	AKA Athabasca University Geophysical Observatory, for auroral, geomagnetic and solar system research
	AUGO Fort Vermillion			Alberta	Auroa observatory operated by AUGO, the Athabasca University Geophysical Observatory) of Athabasca University.
	Abbey Ridge Observatory			Nova Scotia	A private observatory.
	Above the Clouds Observatory			Vermont	A private observatory.
	Abra Observatory			Arizona	A private observatory.
	Abraas Stargate Observatory			Colorado	A private observatory in Canon City.
	Addison Oaks Observatory			Michigan	Observatory of Oakland County Astronomy Club in Addison Oaks county park.
	Adirondack Astronomy Retreat			New York	A star party held at Twin Valleys Camp, near Lewis. Home of SUNY Plattsburgh's David H. Levy Observatory.
	Adirondack Public Observatory			New York	Observatory near Tupper Lake.
	Adolphson Observatory			Illinois	Observatory of Monmouth College in Monmouth.
	Aero Observatory			Illinois	A private observatory.
	Afterwood Observatory			New York	A private observatory
	Ahwahnee Hills Observatory			California	A private observatory located in Ahwahnee.
	Aiken			South Carolina	Home of the Ruth Patrick Science Education Center Observatory.
	Aim High Observatory			Georgia	A private observatory near Kathleen, GA.
	Ajo			Arizona	Home of the Windowpane Observatory.
	Alabama Observatory			Alabama	A private observatory near Pinson.
	Alapaha River Observatory			Georgia
	Albany			New York	Home of the Albany Area Amateur Astronomers.
	Albert L. Ruppel Observatory			Missouri	Observatory near Ellisville.
	Algonquin Radio Observatory			Ontario	Radio Observatory located in Algonquin Provincial Park.
	Allan & Kay Poage Memorial Observatory			Texas
	Allen Observatory			Michigan	A private observatory.
	Allenford Observatory			Ontario	A private observatory near Allenford.
	Alpenglow Observatory			Utah	A private observatory.
	Alpha Ridge Park			Maryland	Observatory and star party site of the Howard Astronomical League(HAL). Park of Howard County. Near Marriottsville, MD.
	Alpha Scorpii Observation Site			Arizona	A private observatory.
	Alpine Observatory			Arizona	A private observatory somewhere around Alpine.
	Alsask Observatory			Saskatchewan	A pivate observatory. Also the site of the Alsask RADAR.
	Altair Observatory			New Mexico	A private observatory.
	Altona Observatory			New York	A private observatory near Altona.
	Amargosa Observatory			Nevada	A private observatory near Amargosa Valley.
	Amazing Grace Observatory			New Hampshire	A private observatory near Campton.
	Ambersweet Observatory			Florida	A private observatory near Umatilla
	Anadromada Observatory			New Mexico	A private observatory near Deming.
	Anarchist Mountain Observatory			British Columbia	A private observatory near Osoyoos.
	Ancient Sky Observatory			Texas	Observatory of Mark / Star*Man & The Ancient Sky Astronomy Group
	Anderson Mesa Station			Arizona	An observatory site of Lowell Observatory. IAU 688. Also site of the Navy Prototype Optical Interferometer. Near Flagstaff.
	Anderson Observatory			Ohio	A private obsrevatory near Shelby.
	Anderson Observatory			Virginia	AKA Nicholas R. Anderson Observatory of VirginiaTech's physics department. Used and maintained by the Astronomy Club of Virginia Tech. In Blacksburg.
	Anderson University Observatory			Indiana	Observatory of Anderson University.
	Angel Light Observatory			New York	A private observatory near DeRuyter.
	Angels Observatory			Pennsylvania	A private observatory between Nazareth and Bangor.
	Ann Arbor			Michigan	Home of of the Detroit Observatory and the Angel Hall Observatory. Both are observatories of the University of Michican.
	Annbar Canyon			Arizona	Home of Dorrit Hoffleit Observatory.
	Anstruther Lake Observatory			Ontario	A private Observatory.
	Antelope Creek Heliophysics Observatory			Colorado	A private observatory in Colorado Springs.
	Antelope Hills Observatory			Colorado	A private observatory near Strasburg.
	Antique Photons Observatory			Oklahoma	A private observatory near Claremore.
	Apache Point			New Mexico	Home of Apache Point Observatory, Sloan Digital Sky Survey and the Sunspot Solar Observatory. In Sunspot.
	Apache-Sitgreaves Observatory			Arizona	An observatory with educational outreach and public observing. Located in Overgaard, Arizona.
	Apple Orchard Observatory			Ontario	A private observing site
	Apple Ridge Observatory			Michigan	A private observatory in Le Roy township.
	Applewood Absurditory			Michigan	A private observatory, at least in spirit, near Ypsilanti.
	Appomattox Observatory			Virginia	A private observatory.
	Aramesh			North Carolina	A private observatory.
	Arch Cape Observatory			Oregon	A private observatory at Arch Cape.
	Arclight Observatory			Tennessee	A private observatory.
	Area 52 Observatory			California	A private observatory near Ventura.
	Area 52 Observatory			Nevada	A private observatory.
	Area 52 Observatory			Arkansas	Observatory (MPC 460) of the Red River Astronomy Club. South-west of Center Point.
	Arkansas Sky Observatory			Arkansas	A research and public outreach observatory near Conway.
	Arkansas Tech University Astronomical Observatory			Arkansas	Observatoryof Arkansas Tech University. Near Russelville.
	Armour Observatory			New York	A private observatory.
	Arnold Observatory			California	A private observatory.
	Arrakis Observatory			Minnesota	A private observatory near Lake Shetek.
	Arriola Observatory			Colorado	A private observatory near Cortez.
	Arrow Heights Astroimaging Observatory			Missouri	A private observatory in Maryland Heights.
	Arthur Purcell Observatory			California	Observatory of the Tulare Astronomical Association.
	Artis Observatory			California	A private observatory somewhere around Yosemite Lakes.
	Ash Observatory			New Jersey	A private observatory.
	Ashburn Astronomical Observatory			Ontario	In Ashburn.
	Ashton Observatory			Iowa	Observatory of the Des Moines Astronomical Society. Near Baxter.
	Ashton Observatory at Johnson Farms			Maryland	A private observatory of a member of the Howard Astronomical League.
	Asteria Observatory			Ohio	A private observatory.
	Asteroid Hunter Observatory			Texas	A private observatory in Carrollton.
	Astraeus Observatory			Kentucky	A private observatory somewhere around Lawrenceburg.
	Astro Birdie Observatory			Texas	A private observatory in Conroe.
	Astro Hut			Michigan	A private observatory near Holland.
	Astro-chalet			Pennsylvania	A private observatory.
	Astro-chalet West			California	A private observatory.
	AstroDNA Observatory			New York	A private observatory.
	AstroGeek's Observatory			Massachusetts	A private observatory in Bridgewater.
	Astrodoc's Doghouse Observatory			Ontario	A private observatory near Guelph.
	Astroknip's Observatory			Quebec	A private observatory in Aylmer.
	Astronight Observatory			Massachusetts	A private observatory in North Billerica.
	Astronomers Paradise			New Mexico	A remote pier-leasing observatory. Near Cotton City.
	Astronomical Adventures			Arizona	A guest observatory. About 35 miles southeast of Flagstaff.
	Astronomy Club of Akron Observatory			Ohio	An observatory of the Astronomy Club of Akron
	Astroquest			North Carolina	A private observatory.
	Atlanta			Georgia	Home of the Atlanta Astronomy Club and Bradley Observatory of Agnes Scott College.
	Au Sable Forks Observatory			New York	A private observatory in Au Sable Forks.
	Aubrie Le observatory			Oklahoma	A private observatory in Purcell.
	Aubright Observatory			Florida	A private observatory.
	Auburn			Indiana	Home of Starkey Observatory.
	Automata Internet Observatory			California	In Pearblossom.
	Averted Vision Observatory			New York	A private observatory near Wilton.
	Avyatha Observatory			Colorado	A private observatory.
	Ayer Observatory			Massachusetts	Observatory of Milton Academy.
	Az-DaHut Observatory			Arizona	A private observatory in Tempe.
	B & P Myers Observatory			New York	A private observatory near West Leyden.
	B&W Observatory			Nebraska	A private observatory between Louisville and Plattsmouth
	B. Williams Mem. Observatory			Ontario	A private observatory near New Tecumseth.
	BGSU Observatory			Ohio	Observatory of Bowling Green State University.
	BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
	BSM_TX			Texas	A private observatory in the AAVSO network.
	BX Observatory			British Columbia	A private observatory.
	Backus Mountain Observatory			West Virginia	A private observatory.
	Badlands Observatory			South Dakota	Observatory (MPC 918) near Quinn.
	Baetsen Observatory			Ontario	A private observatory near Orono.
	Bailyhill Observatory			New Hampshire	A private observatory between Plymouth and Lebanon.
	Baker Observatory			Missouri	AKA the William G. and Retha Stone Baker Observatory of Missouri State University. Near Marshfield.
	Bald Mountain Observatory			Colorado	Near Fort Collins.
	Ballantyne Observatory			North Carolina	A private observatory.
	Ballauer Observatory			Texas	A private observatory near Azle.
	Ballreich Observatory			Ohio	Observatory at Camp Hertzer. Site of public observing held by the Sandusky Valley Amateur Astronomy Club (SVAAC). Also used by physics students at Heidelberg College. Near Tiffin.
	Banner Creek Observatory			Kansas	Observatory of Banner Creek Science Center.
	Bar J Observatory			Florida	A private Observatory near New Smyrna Beach.
	BarC Observatory			Mississippi	A private observatory near Long Beach.
	BarCla Hill Private Observatory			Mississippi	A private observatory.
	Barking Spider Observatory			California	A private observatory near Castro Valley.
	Barred Owl Observatory			Ontario	A private observatory near Carp.
	Bartole Observing Platform			Ontario	A private observatory somewhere around Cook's Bay.
	Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
	Bateson Observatory			California	A private observatory near Susanville.
	Battersea Observatory			Ontario	A private observatory in Battersea.
	Battle Mountain Observatory			Nevada	A private observatory.
	Battlefield Observatory			Virginia	A private observatory near Chesapeake.
	Bay Ridges Observatory			Ontario	A private obseratory in Pickering.
	Bays Mountain Park			Tennessee	City park with astronomy programs. Site of the Bays Mountain Observatory, and home of the Bays Mountain Astronomy Club. Near Kingsport.
	Bayt Observatory			California	A private observatory near Coarsegold.
	Beacon Field Observatory			Virginia	A private observatory, associated with the Friends of Beacon Field Airport. Located near Beacon Field Airport, a former airport, now a shopping mall.
	Beacon Hill Observatory			Vermont	A private observatory.
	Beagle's Nest Observatory			Tennessee	A private observatory.
	Beaglehaven Observatory			Virginia	A private observatory of a member of NOVAC. Somehwere around Ashburn.
	Bear Creek Observatory			Washington	A private observatory in Woodinville. (Not to be confused with nearby Littlebear Observatory.)
	Bear Dance Observatory			Colorado	A private observatory near Larkspur.
	Bear Mountain Observatory			Vermont	Private observatory of a member of the Springfield Telescope Makers.
	Bear Observatory			Kentucky	In Clarkson.
	Bearcat Observatory			Missouri	Observatory of Northwest Missouri State University. Near Maryville.
	Beaver Creek Observatory			Maryland	An observatory of the Tri-State Astronomers.
	Beaver Meadow Observatory			New York	Observatory of the Buffalo Astronomical Association. Near North Java.
	Beaver River Observatory			Ontario	A private obsrevatory somewhere in the Grey Highlands.
	Beckstrom Observatory			Michigan	A private observatory near Deford.
	Bee Sting Hill Observatory			Georgia	A private observatory.
	Beech Lick Branch Observatory			Alabama	Observatory of the Beech Lick Branch Observatory Foundation.
	Behlen Observatory			Nebraska	An observatory of the University of Nebraska with public viewings.
	Bel Tor Observatory			Pennsylvania	A private observatory near Stroudsburg.
	Belen Observatory			Florida	Observatory of Belen Jesuit Preparatory School. In Tamiami.
	Bell Observatory			Kentucky	An Observatory of Western Kentucky University. Near Bowling Green.
	Bellevue Observatory			Quebec	Obsevatory of the RASC Montreal Centre. Located at Morgan Arboretum, Ste. Anne-de-Bellevue.
	Bellvale Observatory			New York	A private observatory near Chester.
	Belmont Observatory			Virginia	A private observatory. Affiliated with the Rappahannock Astronomy Club.
	Beman Observatory			Michigan	Observatory of Olivet College in Olivet.
	Bench Observatory			Wyoming	A private observatory
	Benson Lake Observatory			Wisconsin	Site of private observatory.
	Berkshire School Observatory			Massachusetts	Observatory of Berkshire School in Sheffield.
	Bert and Jeanette Lynch Memorial Observatory			Missouri	A private observatory.
	Berthoud			Colorado	Centered on The Little Thompson Observatory, a public observatory. In the town of Berthoud.
	Bertucci's Sky			Nevada	A private observatory.
	Beta Scorpii Observation Site			Arizona	A private observatory.
	Betelgeuse Bar & Grill			Ontario	P.Mortfield's private observatory.
	Bhills Observatory			Florida	A private observatory in Beverly Hills, Florida.
	Big "A" Observatory			Georgia	A private observatory.
	Big Bear Solar Observatory			California	Aka BBSO. Solar Observatory operated by the New Jersey Institute of Technology. On Big Bear Lake.
	Big Bend Observatory			Ontario	A private observatory of a member of the RASC London Centre.
	Big Bird Observatory			California	A private observatory near Paradise.
	Big Blue Observatory			Missouri	An observatory of the Eastern Missouri Dark sky Observers (EMDSO).
	Big M Observatory			Wisconsin	A private observatory near Platteville.
	Big Sky Observatory			Montana	A private observatory. In Big Sky, Montana.
	Big Sky Observatory Site			Alberta	An observatory of the Big Sky Astronomical Society.
	Big Thicket Observatory			Texas	A private observatory near Lumberton.
	Bill's Doghouse Observatory			Indiana	A private observatory in Knightstown.
	Birch Rd. Observatory			Indiana	A private observatory.
	Birdland Observatory			Minnesota	A private observatory near Rochester.
	Birmingham Astronomical Observatory			Illinois	A private observatory in Thompsonville. MPC designation H53.
	Birmingham Astronomical Society Observatory			Alabama	AKA BAS Obsevatory. Observatory of the Birmingham Astronomical Society. On Chandler Mountain.
	Biscayne Point Observatory			Florida	A private observatory somewhere around Miami Beach.
	Bishop Observatory			Georgia	An observatory on the main campus of Floyd College. Near Lindale.
	Bishop Observatory			California	A private observatory north of Bishop.
	Bishop's University Astronomical Observatory			Quebec	Observatory of Bishop's University. In Sherbrooke.
	Bixby Creek Observatory			Oklahoma	A private observatory.
	Black Bear Hollow Observatory			Pennsylvania	A private observatory.
	Black Bear Observatory			New York	A private observatory.
	Black Creek Observatory			Florida	A private observatory near Middleburg.
	Black Lake Observatory			Ontario	A private observatory between Perth and Westport.
	Black Mesa Observatory			Arizona	A private observatory somewhere around Show Low.
	Black Mountain Observatory			Colorado	A private observatory in Park County, CO.
	Black Mountain Observatory			California	A site of a future private observatory near Hornbrook.
	Black Mountain Observatory			Georgia	A private observatory near Dahlonega.
	Black River Observatory			Michigan	A private observatory near Port Huron.
	Black Skies Observatory			Ontario	A private observatory near Waubaushene.
	Black Star Observatory			Massachusetts	A private observatory in Pittsfield.
	Black Swamp Observatory			Ohio	A private observatory near Napoleon.
	Blackhawk Observatory			Illinois	A private observatory.
	Blackhole Observatory			Kentucky	A private observatory in Mason.
	Blackstar II Observatory			Massachusetts	A private observatory near Camp Ashmere.
	Blair Hill Observatory			Virginia	A private observatory near Christiansburg.
	Blazer Observatory			Alabama	A private observatory.
	Blazing Star Observatory			Washington	AKA BSO. Site of future private observatory.
	Bloomington			Indiana	Home of Kirkwood Observatory of the Indiana University Bloomington.
	Blue Braille Observatory			Ontario	A private observatory.
	Blue Heron Cove Observatory			New York	A private observatory.
	Blue Heron Observatory			Ontario	A private observatory in Greenough Harbour, outside of Stokes Bay Ontario, on the Northern Bruce Peninsula.
	Blue Hills Observatory			Arizona	A private observatory.
	Blue Moon Astronomical Observatory			Oklahoma	An observatory in the Black Fork Mountain Wilderness Area near Page.
	Blue Moon Observatory			Michigan	A private observatory near Mussey.
	Blue Moon Observatory			Tennessee	A private observatory near Huntingdon.
	Blue Mountain Vista Observatory			Pennsylvania	A private observatory also used by members of Chesmont Astronomical Society. Near New Ringgold.
	Blue Ridge Observatory			Virginia	On Flattop Mountain near Dyke.
	Blue Ridge Observatory			North Carolina	A private observatory.
	Blue Sky Observatory			New Hampshire
	Blue Star Observatory			Texas	A private observatory near Richland Chambers Reservoir.
	BlueBirdsKnoll Observatory			Connecticut	A private observatory of a member of the Astronomical Society of New Haven.
	Blueberry Hill Observatory			New Jersey	A private observatory near Pemberton
	Blueberry Pond Observatory			Maine	A commerical observatory near Pownal.
	Bluebird Observatory			Maryland	A private observatory owned by Jerry Persall and open to visitors by appointment.
	Bobcat Trail Observatory			Wyoming	A private observatory between Cheyenne and Laramie.
	Bobservatory			New Hampshire	A private observatory near Springfield..
	Boca Observatory			Florida	A private observatory in Eastpoint.
	Boeing Observatory			South Carolina	Observatory of the South Carolina State Museum in Columbia.
	Bois Blanc Island Observatory			Michigan	A private observatory on Bois Blanc Island.
	Bojarzin Observatory			Illinois	Near Springfield.
	Bon Accord Observatory			Alberta	Proposed public observatory site in the town of Bon Accord.
	BoonHill Observatory			Michigan	link
	Borderline Observatory			Massachusetts	Near Rowe.
	Boreal Skies Observatory			Quebec	A private observatory.
	Borman Observatory			Indiana
	Bosque Farms Observatory			New Mexico	A private observatory.
	Boston			Massachusetts	Home of the ATMoB. Also home of the Judson B. Coit Observatory of Boston University and the Harvard College Observatory of Harvard University.
	Boswell Observatory			Nebraska	Observatory of Doane University in Crete.
	Boulder Heights Observatory			Colorado	A private observatory.
	Boulder Knolls Observatory			California	A private observatory, with Minor Planet Center code G74.
	Bourne Observatory			Georgia	A private observatory.
	Bowen Observatory			California	Observatory of Cuesta College.
	Bowman Observatory			Connecticut	Observatory of the Greenwich Board of Education and operated by the Astronomical Society of Greenwich. In Greenwich.
	Bowser Observatory			Texas	A private observatory somewhere around Live Oak.
	Bradley Observatory			Georgia	Observatory of Agnes Scott College. In Decatur.
	Bradstreet Observatory			Pennsylvania	Observatory of Eastern University with public observing. In St. Davids.
	Brahmand Darshan Observatory			Texas	Private observatory dedicated to CCD imaging, in South College Station, sometimes used by members of the Brazos Valley Astronomy Club.
	Brampton BrightSkies Observatory			Ontario	A private observatory in Brampton.
	Branched Oak Observatory			Nebraska	A public observatory near Branched Oak State Recreation Area.
	Branson Observatory			Missouri	A private observatory in Branson.
	Breezy Point Observatory			West Virginia	An observatory of the Kanawha Valley Astronomical Society. Located at Camp Virgil Tate.
	Brennan Hill Observatory			New Hampshire	Near Troy.
	Breyo Observatory			New York	Observatory of Siena College.
	Bridgeport Lake Private Observatory			California	A private observatory in Bridgeport Valley.
	Bridgewater Hill Observatory			Vermont
	Bright Skies Observatory			California	A private observatory to promote the science and technology of CCD based astro-photography in light polluted areas.
	Bristol Community College Observatory			Massachusetts	Observatory of Bristol Community College. In Fall River.
	Broadway Observatory			New York	A private observatory.
	Broch nam Broc Observatory			Washington	A private observatory.
	Brockport State Observatory			New York	An observatory on the campus of SUNY Brockport.
	Brodie Road Observatory			Ontario
	Brogdon Observatory			Florida	A private observatory.
	Broken Oak Observatory			Florida	A private observatory near Spring Lake.
	Broken Tooth Rock Observatory			New Hampshire	A private observatory near New Boston.
	Brooke Stream Manor Observatory			Virginia	A private observatory.
	Brooklin Observatory			Maine	A private observatory.
	Brooks Astronomical Observatory			Michigan	Observatory of Central Michigan University. In Mt. Pleasant.
	Brown's Observatory			New Hampshire	A private observatory near Newport.
	Brundish Observatory			Ontario	A private observatory near Guelph.
	Bruneau Dunes Observatory			Idaho	Observatory located in Bruneau Dunes State Park. Home of the Idaho Star Party.
	BuckSnort Observatory			Texas	A private observatory.
	Buckeyestargazer Observatory			Indiana	A private observatory near Valparaiso.
	Buckhorn Observatory			Ontario	An observatory near Buckhorn.
	Buckley			Washington	Home of Torus Observatory (IAU 653). Forecast also covers Enumclaw and Bonney lake.
	Bucknell Observatory			Pennsylvania	Observatory of Bucknell University. In Lewisburg.
	Buehler Trust Observatory			New Jersey	Observatory of Bergen Community College. In Paramus.
	Buena Vista Observatory			California	A private observatory.
	Builderbug Observatory			Utah	A private observatory.
	Bull Domingo Astro			Colorado	A private observatory site near Westcliffe.
	Bunny Foo-Foo Observatory			Maryland	A private observatory in Fort Washington.
	Burg Observatory			Ohio	A private observatory in Wheelersburg.
	Burk Astronomical Observatory			Colorado	A private observatory.
	Burke Observatory			Tennessee	Observatory of King College. Also meeting place of the Bristol Astronomy Club. In Bristol.
	Burkes Observatory			Maine	A private observatory in Pittsfield.
	Burkman Observatory			Idaho	A private observatory near Blackfoot.
	Burland Observatory			Colorado	A private observatory in Park county.
	Burnt Jacket Mountain Observatory			Maine	A private observatory.
	Burrell Memorial Observatory			Ohio	Observatory of Baldwin Wallace University.
	Burris Fork Creek Observatory			Missouri	A private observatory near California, MO.
	Bush Observatory			Missouri	A private observatory near Albany.
	Bushels and Baskets Observatory			Indiana	A private observatory.
	Byrne Observatory			California	An observatory that is one of a global network of observatories run by the organization called the Las Cumbres Observatory. Located at the Sedgwick Reserve (BOS) which is owned by the University of California at Santa Barbara (UCSB).
	C.E.K. Mees Observatory			New York	Observatory of the University of Rochester. Near Hornell.
	C.J. Observatory & Retreat			New Mexico	A private observatory at New Mexico Astronomy Village.
	CAA Observatory			Ohio	Observatory of the Cuyahoga Astronomical Association located at Letha House Park near Spencer.
	CAMSAT Observatory			Ontario	A private observatory near Oshawa.
	CAS Starfield Observatory Dark Site			Kentucky	A private observing site of the Cincinnati Astronomical Society.
	CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
	CBBHO			Wyoming	AKA Cruzen Boys Black Hills Observatory. A private observatory.
	CMS Observatory			Wyoming	Observatory of Cody Middle School. In Cody near Yellowstone Regional Airport.
	CMiller Observatory			Ontario	Near Brantford.
	CNYAC Observatory			New York	Observatory of the Central New York Astronomy Club.
	COSMIC OBSERVATORY			Virginia	A private observatory of a member of the Shenandoah Valley Stargazers.
	CRUST Observatory			Minnesota	The Crookston UND Search Telescope. An observatory of the University of Minnesota, Crookston.
	CSI Astrophysical Observatory			New York	"Observatory of the College of Staten Island - CUNY. Is also IAU Asteroid Monitoring Station #294>
	CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
	CSU-Pueblo Observatory			Colorado	Observatory of Colorado State University Pueblo. Site of public star parties. Near Lake Pueblo State Park.
	Cabin in the Sky Observatory			British Columbia	A private observatory near Bridesville.
	Cabrillo College Observatory			California	Observatory of Cabrillo College.
	Cackle Observatory			Texas	A private Observatory near Wimberly.
	Cadmus Homestead Observatory			Pennsylvania	A private observatory near Robesonia.
	Cahall Observatory			Massachusetts	A observatory of Thayer Academy.
	Cal Poly Observatory			California	Observatory of California Polytechnic State University. Near San Luis Obispo.
	Calaveras Hill Observatory			Texas	A private observatory near Elmendorf.
	Cameron Park Rotary Club Community Observatory			California	A community observatory built and operated by the Rotary Club of Cameron Park, the El Dorado County Office of Education, and Folsom Lake College. In El Dorado County.
	Camino de Estrella Observatory			New Mexico	A private observatory near Tijeras
	Camp Crosley/WAS Observatory			Indiana	A observatory of the Warsaw Astronomical Society(WAS). Located at Camp Crosley.
	Camp McGregor Observatory			Michigan	Observatory, at Camp McGregor, of the Jackson County Intermediate School District. Also site of star parties held by the Amateur Astronomers of Jackson.
	Camp Observatory			New York	A private observatory in North Blenheim.
	Camp Sherman Observatory			Oregon	A private observatory.
	Camp Susque Observatory			Pennsylvania	Observatory of Camp Susque. Near Trout Run.
	Camp Wood Observatory			Texas	A private observatory near Camp Wood.
	Canadian Ecology Centre Observatory			Ontario	Observatory of the Canadian Ecology Centre. In Samuel de Champlain Provincial Park
	Canary Rise Observatory			Ontario	A private observatory.
	Candlewyck Observatory			Pennsylvania	A private observatory.
	Caney Observatory			Missouri	A private observatory near Brownbranch.
	Caney Ridge Observatory			Virginia	Near Clintwood.
	Cape Orion Observatory			South Carolina	A private observatory near Mountain Rest.
	Capilla Peak Observatory			New Mexico	Observatory of the University of New Mexico.
	Carlos Lemmi Observatory			California	A private observatory near Rancho Palos Verdes. MPC G71.
	Carlson R. Chambliss Astronomical Observatory			Pennsylvania	Observatory of Kutztown University. In Kutztown, PA.
	Carpenter Observatory			Pennsylvania	An observatory of the Berks County Amateur Astronomical Society. Near Reading.
	Carr Astronomical Observatory			Ontario	Observatory of the Toronto RASC. Near Collingwood
	Carvel Observatory			Alberta	A private observatory.
	Casa Becca del Norte Observatory			Washington	A private observatory.
	Casa De Kayla Observatory			New Mexico	A private observatory.
	Casa Victoria Observatory			New Mexico	A private observatory about 7 miles from Santa Fe.
	Cascade Mountain Observatory			Arkansas	An facility of the Arkansas Sky Observatory (ASO)
	Casey Observatory			Wisconsin	Observatory of the astronomy department of University of Wisconsin-Eau Claire.
	Casitas de Gila Observatory			New Mexico	Observatory at Casitas de Gila Commercial B&B / guesthouse. Near Gila
	Cassiopeia Observatory			Arizona	A private observatory.
	Cat's Eye Observatory			Texas	A private observatory near Fredericksburg.
	Cat's Paw Observatory			Massachusetts	A private observatory near Seekonk.
	Cave Mountain Observatory Retreat			West Virginia	Aka CMOR. A private observing club.
	Caxambas Observatory			Florida	A private observatory on Marco Island.
	Cearley / Sirockman Observatory			Georgia	A private observatory.
	Cedar City			Utah	Home of Ashcroft Observatory of Southern Utah University.
	Cedar Drive Observatory			Wisconsin	An observatory near Pulaski.
	Cedar Glen Observatory			California	(A private observatory near Cedar Glen.
	Cedar Knoll Observatory			Kentucky	A private obsrevatory of a member of the West Kentucky Amateur Astronomers.
	Cedar Springs Observatory			Michigan	A private observatory.
	Celescina Ramah New Mexico Observatory			New Mexico	A private observatory.
	Celestial Exploration Observatory			Pennsylvania	A private observatory.
	Centennial Observatory			Idaho	A public observatory at the Herrett Center for Arts & Science of the College of Southern Idaho. In Twin Falls.
	Center Valley Observatory			Indiana	A private observatory somewhere around Clayton.
	Central Washington University Observatory			Washington	Observatory of Central Washington University and site of star parites held by the CWU Astronomy Club. In Ellensburg.
	Challis Astronomical Observatory			Idaho	Obsevatory partnered with Boise State University, Challis School District #181 and others.
	Chamberlain Observatory			Illinois	A private observatory in Brighton.
	Chamberlin Observatory			Colorado	Observatory of Univerity of Denver. Site of public observing held by the Denver Astronomical Society.
	Champaign/Urbana Astronomical Society Observatory			Illinois	An observatory of the CUAS.
	Changstars Observatory			Connecticut	A private observatory.
	Changstars Observatory			Texas	A private observatory near Pearland.
	Chanticlear Observatory			West Virginia	A private observatory near Bluefield.
	Charles City observatory			Virginia	A private observatory.
	Charles Douglas Observatory			Missouri	A public outreach observatory. Located at ICStars Ranch which is also site used by the Astronomical Society of Kansas City. Near Warrensburg.
	Charles E. Daniel Observatory			South Carolina	Observatory of the Roper Mountain Science Center. Site of star parties held by the Roper Mountain Astronomers.
	Charles Nicholas Memorial Observatory			New Mexico	A private observatory somewhere around Mayhill.
	Charleston			South Carolina	Home of the observatory of College of Charleston.
	Charlottesville			Virginia	Home of the University of Virginia's Leander McCormick Observatory and close to Fan Mountain Observatory.
	Chattanooga			Tennessee	Home of Jones Observatory of University of Tennessee at Chattanooga.
	Cheddar Ranch Observatory			Oklahoma	Observatory of the Oklahoma City Astronomy Club.
	Cherry Hill Observatory			Arkansas	A private observatory near Cherry Hill Junction.
	Cherry Mountain Observatory			Texas	A semi-private observatory near Fredericksburg,
	Chickadee Ridge Observatory			Ontario	A private observatory.
	Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
	Christel Observatory			New York	A private observatory
	Chrysalis Observatory			North Carolina	A private observatory near Stokesdale.
	Chula Vista Observatory			California	A private observatory.
	Cincinnati Observatory Center			Ohio	A public observatory in Cincinnati.
	Circle City Observatory			North Carolina	A private observatory near Pittsboro.
	Clarke Observatory			Ohio	Observatory of Mount Union College. In Alliance.
	Clarke Priscu Observatory.			Ontario	A private observatory.
	Clarkson Observatory			New York	AKA the Reynolds Astronomical Observatory. Observatory of \tClarkson University in Potsdam. \tAlso home of the Clarkson Stargazers.
	Claustonberry Observatory			Illinois	A private observatory near Marengo.
	Clay Center Observatory			Massachusetts	Observatory and science center at Dexter and Southfield Schools.
	Clearview Observatory			Washington	A private observatory somewhere around Clearview.
	Clearwater Lake			Manitoba	A dark-sky site of The Pas Astronomy Group and location of one of the Themis Ground Based Observatories.
	Clegg Observatory			Virginia	A private observatory near Woodstock.
	Clemens Sauer Homestead Observatory			Texas	A private observatory.
	Cliff's Observatory			Ohio	A private observatory near Marion.
	Climax Observatory			Colorado	An abandoned solar observatory on the property of the the Climax Molybdenum mine. Near Leadville.
	Cloudbait Observatory			Colorado	An observatory near Guffey.
	Clower Observatory			Texas	A private observatory.
	Clyde Sachtleben Observatory			Nebraska	Observatory of Hastings College. Used for students and public viewing. Also used by members of the Platte Valley Astronomical Observers.
	Cobblestone Creek Observatory			Ohio	A private observatory in Southern Marion County, Ohio.
	Cobleskill			New York	Used by the Albany Area Amateur Astronomers.
	Codorus Creek Observatory			Pennsylvania	Private observator near Spring Grove
	Coffee Creek Observatory			Kansas	A private observatory in Olathe.
	Cohoctah Nightcrawler Observatory			Michigan	A private observatory near Cohoctah.
	Colbeck Observatory			Ontario	A private observatory near Colbeck.
	Collins Observatory			Maine	Observatory of Colby College.
	Collinsport Observatory			Ohio	A private observatory on Kelleys Island.
	Colony Skies Observatory			Utah	A private observatory.
	Colorado Skies Observatory			Colorado	A private observatory.
	Colter/Menke Observatory			Missouri	A private observatory in Etlah, between Berger and New Haven.
	Columbia			Missouri	Home of the Central Missouri Astronomical Association. Also home of Laws Observatory of the University of Missouri - Columbia.
	Coma Via Observatory			California	An observatory near Springville.
	Comprix Observatory			Ohio	A private observatory.
	Concho Colts Observatory			Arizona	Observatory of Concho Elementary School. In Concho.
	Concord Observatory			California	A private observatory in Concord.
	Concordia			Kansas	Home of the Earl Bane Observatory of Cloud County Community College.
	Concordia College Observatory			Minnesota	Observatory of Concordia College. In Moorhead.
	Cooke Observatory			Florida	A private observatory near Weeki Wachee.
	CoolHaven Observatory			Missouri	A private observatory between Branson MO and Harrison AR.
	Coopers Hawk Observatory			South Carolina	A private observatory near Ridgeland.
	Copernicus Observatory			Nevada	A private observatory somewhere around Las Vegas.
	Copper Mountain Observatory			California	Near the town of Joshua Tree which is near the north east corner of Joshua Tree National Park.
	CopperHead Ridge Observatory			North Carolina	A private observatory.
	Coral Key Village Observatory			Florida	A private observatory.
	Coral Lakes Observatory			Florida	A private observatory.
	Cordell-Lorenz Observatory			Tennessee	Observatory of Sewanee: The University of the South. In Sewanee .
	Cordes Lakes Observatory			Arizona	A private observatory.
	Corkill Astronomical Observatory			Texas	A a private observatory.
	Corner Brook			Newfoundland	Home of the Grenfell Campus Observatory of Memorial University.
	Cors Observatory			New Hampshire	A private observatory near East Hampstead.
	Corvus Observatory			New York	A private observatory somewhere around North Chatham.
	Corydon Ridge Observatory			Indiana	A private observatory.
	Cosmic Obsession - Kerrville			Texas	A private observatory. Near Kerrville.
	Cosmic Obsession Observatory			Texas	a private observatory in Tomball.
	Cosmic Orchard Observatory			Ohio	A private observatory near Columbia Station
	Cosmos Observatory			New Mexico	A private observatory near Ilfeld.
	Cossatot Observatory			Arkansas	A private observatory somewhere around Hartley.
	Cottageville Observatory			South Carolina	A private observatory near Cottageville.
	Cottontail Observatory			California	A private observatory somewhere around Walker.
	Country Hill Observatory			Rhode Island	A private observatory.
	Country View Observatory			Georgia	A private observatory near Gray.
	Coyote Howl Observatory			Indiana	A private observatory.
	Coyote Observatory			Ontario	A private observatory near White Lake.
	Craven E Williams Observatory			North Carolina	Observatory of Garner Webb University. Also a meeting place of the Cleveland County Astronomical Society. Near Boiling Springs.
	Crawford Observatory			Alabama	A private observatory.
	Creek Skies Observatory			Alabama	A private observatory somewhere around the town of Centre.
	Crest Airpark Astro-Shack			Washington	A private observatory of a member of the Eastside Astronomical Society.
	Critter Observatory			Oregon	A private observatory near Ruch.
	Crow's Nest Observatory			Maine	A private observatory.
	Cruz Observatory			Pennsylvania	A private observatory.
	Crystal Creek Observatory			Tennessee	A a private observatory in Middleton.
	Culver's Urban Observatory			Georgia	A private observatory of a member of the Charlie Elliott Astronomy Club. In Milton.
	Cumberland Plateau Observatory			Tennessee	Near Livingston.
	Curiosity Observatory			Ontario	A private observatory.
	Curiosity Peak Observatory			California	A private observatory.
	Cushing Observatory			Wisconsin	A private observatory near Cushing.
	Custer Institute			New York	Long Island's only public observatory. In Southold.
	Cuttin' Edge Observatory			Arizona	A private observatory near Mayer.
	Cygnus Hill Observatory			Ontario	A private observatory near Maberly.
	Cypress Hills Dark-Sky Preserve - CHICO			Alberta	Interprovincial Park and dark-sky preserve. Home of the proposed Cypress Hills Interprovincial Celestial Observatory.
	D'Auria Observatory			Florida	Observatory of the Southern Cross Astronomical Society.
	D. S. Millas Observatory			Georgia	A private observatory near Cumming.
	D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
	DMZ Observatories			Arizona	Site of private observatories.
	DaVinci Observatory			New York	A private observatory near Lockport.
	Dakota Wesleyan University Observatory			South Dakota	An observatory of DWU. In Mitchell.
	DaltonSkyGazer Observatory			Massachusetts	A private observatory in Dalton.
	Dark Arts Observatory			New York	A private observatory.
	Dark Horse Observatory			Pennsylvania	A private observatory near Phoenixville.
	Dark Ranger Observatory			Utah	Observatory of Dark Ranger Telescope Tours.
	Dark Ridge Observatory			New Mexico	A research observatory in the Lincoln National Forest.
	Dark Skies Unlimited Observatory			New Mexico	A private observatory.
	Dark Sky Observatory			Iowa	A private observatory near Alden.
	Dark Sky Observatory			South Carolina	A private observatory in Seneca.
	Dark Sky Walker Observatory			Texas	A private observatory.
	Dark Star Observatory			Virginia	A private obsrevatory near West Fork.
	DarkSights Observatory			California	A private observatory.
	DarkSkies Observatory			Massachusetts	A private observatory in Gardner, MA
	Darke Sky Ranch			Ohio	A private observatory near Red River, OH.
	Darkfire Observatory			Tennessee	A private observatory near Bartlett.
	Darklight Observatory			Kentucky	A private observatory of a member of the Louisville Astronomical Society and the Western Kentucky Amateur Astronomers.
	Darkstar Observatory			Florida	A private observatory.
	Darling Hill Observatory			New York	Obsevatory of the Syracuse Astronomical Society. Near Tully.
	Darlington Observatory			New Mexico	A private observatory.
	Dartmoor Observatory			Pennsylvania	A private observatory.
	David Dunlap Observatory			Ontario	Historic Observatory in Richmond Hill.
	Davin Observatory			Saskatchewan	Observatory of the Regina RASC
	Dawn's Light Observatory			Missouri	A private observatory near Myrtle.
	Daybis Observatory			Mississippi	A private observatory near Starkville
	Dayton			Ohio	Home of the Miami Valley Astronomical Society and their Apollo Observatory.
	De Kalb			Illinois	Home of the Davis Hall Observatory at Northern Illinois University.
	DeJoVu Observatory			Minnesota	A private bbservatory on Daisy Bay of Lake Vermilion.
	Dead Rising Observatory			Kansas	A private observatory somewhere around Derby.
	Dean Memorial Observatory			Iowa	Observatory of the Amateur Astronomers of Cental Iowa. Located at Green Castle Recreation Area in Marshall County.
	Dearborn Observatory			Illinois	Observatory of Northwestern University.
	Decatur(IL)			Illinois	Home of Requarth Observatory of Millikin University. Requarth Observatory is host of public observing nights.
	Dee Wright Observatory			Oregon	A public lookout in Willamette National Forest.
	Dee-Top Observatory			Pennsylvania	A private observatory.
	Deep Sky Observatory			Florida	A private observatory in Sebring.
	Deep Sky Remote Observatory			Colorado	A private observatory.
	Deep Sky West Remote Observatory			New Mexico	A private observatory.
	Deep Springs Observatory			California	Observatory at Deep Springs College.
	Deep Woods Observatory			Wisconsin	Site of future private observatory near Fence.
	DeepSkyEye Observatory			Nova Scotia	A private observatory offering deep sky tours. Located near Quinan. Owned by a member of the RASC Halifax centre.
	DeepSkyshed Observatory			Florida	A private observatory near Port Richey.
	Deepsky Observatory			Massachusetts	A private observatory in West Waltham.
	Deer Run Observatory			Georgia	A private observatory near Draneville.
	Deerfield West Observatory			Oklahoma	A private observatory.
	Deneb Observatory			North Dakota	6 miles NNE of Regan
	Deneb Observatory			New Mexico	A private observatory 8 miles south of Deming at 9175 Lucca Road SW.
	Denholm Observatory			Ontario	A private observatory.
	Denton			Texas	Home of the Rafes Urban Astronomy Center of UNT.
	Depth Afield Observatory			Utah	A private observatory.
	Desert Beaver Observatory			Arizona	A private observatory near Benson.
	Desert Coyote Observatory			Arizona	Private observatory of a member of the Huachuca Astronomy Club. Near Sierra Vista.
	Desert Pines Observatory			Arizona	A private observatory.
	Desert Sky Observatory			Arizona	A private observatory in Gold Canyon.
	Dick Clark Memorial Observatory			Colorado	Future observatory site of the Northern Colorado Astronomical Society.
	Digital Monastery Observatory			Maryland	A private observatory near Frederick.
	Digital-SF Observatory			Washington	A private observatory.
	Dill Knob Observatory			North Carolina	A private observatory near Black Mountain.
	Dine Sky Observatory			Arizona	Observatory of Many Farms High School. Near the town of Many Farms.
	Distant Thunder Observatory			Louisiana	A private observatory in Mandeville.
	Dixon			Iowa	Close to Menke and Jens-Wendt Observatories
	Dobie Observatory			Michigan	A private observatory near Jackson.
	Dodie's Observatory			Texas	A private observatory.
	Dog-Star Observatory			Pennsylvania	An observatory near Pennsylvania Furnace.
	Doghouse Observatory			New Brunswick	A private observatory near Shemogue.
	Dogstar Observatory			North Carolina	A private observatory.
	Dogwood Observatory			New Jersey	A private observatory somewhere around Mendham.
	Dogwood Ridge Observatory			Virginia	A private observatory near Kidds Store.
	Dome Valley Observatory			New Mexico	Near Placitas.
	Dominion Astrophysical Observatory			British Columbia	Observatory near Victoria.
	Donald C. Martin Observatory			West Virginia	Observatory of the OVAS. Near Huntington.
	Dordt College Observatory			Iowa	Observatory of Dordt College. In Sioux Center.
	Double AA Observatory			Texas	A private observatory.
	Double Diamond Ranch			Texas	Site of four private observatories. Near Alpine.
	Doug Firebaugh Observatory			Illinois	A public observatory in Freeport, Illinois, partly funded by the Planetary Studies Foundation.
	Dr Sky Observatory			Arizona	A private observatory in Chandler.
	Dreamstead Observatory			Georgia	A private observatory of a member of the Middle Georgia Astronomical Society.
	Dreamweaver Observatory			California	A private observatory near Fillmore.
	Dreamy Skies Observatory			Michigan	A private observatory in Mio.
	Driftway Observatory			Massachusetts	A private observatory near Westport.
	Driftwood Observatory			Texas	Private observatory site. Near Driftwood.
	Dry Creek Observatory			Georgia	A private observatory near Adairsville.
	Dry Creek View Observatory			Utah	A private observatory somewhere around Oak City.
	Dryden Observatory			Wisconsin	A private observatory.
	Due West			South Carolina	Home of Erskine Observatory of Erskine College.
	Dunceath Observatory			Louisiana	A private observatory near Jackson, LA
	Dunham Hill Observatory			Michigan	A private observatory near Mulliken.
	Dunwoody			Georgia	Home of the observatory at Georgia Perimiter College. In DeKalb county.
	Dutchman's Hill Observatory			New Mexico	A private observatory.
	EKU Observatory			Kentucky	Observatory of Eastern Kentucky University. In Richmond.
	ES Fox Observatory (BAS/BOEC)			Ontario	Observatory of the Bluewater Astronomical Society located at the Bluewater Outdoor Education Centre of the Bluewater District School Board. The BOEC is a dark-sky preserve.
	ETSU Observatory			Tennessee	An observatory of East Tennessee State University. Near Johnson City.
	Eagle Eye Observatory			Texas	An observatory of the Austin Astronomical Society. Located in Canyon of the Eagles, on Lake Buchanan, near Burnet
	Eagle Eye Observatory			Pennsylvania	A private observatory.
	Eagle Lake			California	Site of public astronomy session by Bateson Observatory personnel.
	Eagle Observatory			Colorado	A private observatory near Eagle.
	Eagle Observatory			Wisconsin	A private observatory near Eagle.
	Eagle Ridge Observatory			California	A private observatory near Newbury Park.
	Eagle Rock Observatory			Idaho	A private observatory near Idaho Falls.
	Eagle's Nest			Ohio	A private observatory near Akron.
	Earwig Haven Observatory			Ontario	A private observatory in Kanata.
	Easlick Observatory			Tennessee	A private observatory near Cross Plains.
	East Fork Observatory			Texas	A private observatory near Linden.
	East-View Observatory			Minnesota	A privae observatory near Duluth.
	Easton Woods Observatory			Ohio	Site of future private observatory near Jackson.
	Eastridge Observatory			Oklahoma	A private observatory near McAlester.
	Eatonville Observatory			Washington	A private observatory near Eatonville.
	Echo Ridge Observatory			Virginia	A private observatory.
	Ed Majden Observatory			British Columbia	A private observatory specializing in meteor science. Near Courtenay.
	Edgewood Observatory			Pennsylvania	A private observatory near New Kensington.
	Edgewood Skies Observatory			New Mexico	A private observatory of affiliated with The Albuquerque Astronomical Society
	Edinboro University Planetarium and Observatory.			Pennsylvania	Observatory and planetarium of Edinboro University.
	Edmonds Observatory			Massachusetts	Observatory at Tabor Academy.
	Edmonton			Alberta	Home of the RASC Edmonton Centre and the TELUS World of Science - Edmonton, science center and observatory.
	Edward Knight Observatory			Massachusetts	Observatory of the Amateur Telescope Makers of Boston (ATMoB). In Westford.
	Edward L. Naylor Astronomical Center & Observatory			Pennsylvania	A group of observatorie of the Astronomical Society of Harrisburg, PA.. Near Lewisberry.
	Edwardsville Observatory			Illinois	Near Edwardsville.
	Edwelda Observatory			Massachusetts	A private observatory near Woburn.
	Eel Bay Observatory			Nova Scotia	A private observatory.
	Eileen Collins Observatory			New York	An Observatory of Corning Community College.
	Eisenhower Observatory			Minnesota	Public outreach observatory in Hopkins.
	El Rito Observatory			New Mexico	On the El Rito campus of Northern New Mexico Community College. Also used by the El Valle Astronomers.
	Elentirmo Observatory			Nova Scotia	A private observatory.
	Elginfield Observatory			Ontario	Observatory of the University of Western Ontario(UWO).
	Elizabeth Ann Machol Dragonfly Observatory			New Mexico	A private observatory.
	Elk Horn Observatory			Virginia	Observatory of the Echo Ridge Astronomical Society.
	Ellen Observatory			Florida	A private observatory near DeLand.
	Ellicottville Observatory			New York	A private observatory near Ellicottville.
	Elliott-Astronomy Observatory			New York	A public observatory.
	Elton Moonshine Observatory			Pennsylvania	An observatory in Elton.
	Embro Observatory			Ontario	A private observatory near Embro.
	Emerald Lane Observatory			Alabama	Observatory code 843. Near Decatur.
	Emory University Observatory			Georgia	Observatory of Emory University. Also home of the Emory University Astronomy Club. In Atlanta.
	England/Idlewild Park			Kentucky	Park in Burlington, KY. Site of public star parties held by volunteers from the Cincinnati Observatory Center (COC).
	Engle Ridge Observatory			Michigan	A private observatory near Yuba.
	Enif Observatory			New Hampshire	A private observatory near Portsmouth.
	Enzo's Observatory			Texas	A private obseratory.
	Erickson Observatory Site			California	Future site of Erickson Observatory (private). In Warner Springs.
	Eridanus Observatory			Arkansas	A private observatory.
	Erie			Pennsylvania	Home of the Mehalso Observatory of Penn State Erie.
	Ernest B Wright Observatory			New York	Observatory at Hartwick College. In Oneonta.
	Erwin W. Fick Observatory			Iowa	Observatory of Iowa State University. Near Moingona.
	Ester Dome Observatory			Alaska	Not an astronomical observatory. A nature preserve on a public mountain top.
	Estrella Observatory			Arizona	A private observatory of a member of the Phoenix Astronomy Society.
	Etscorn Campus Observatory			New Mexico	Observatory of New Mexico Tech University. Near Socorro.
	Eureka Observatory			Pennsylvania	A private observatory.
	Eustis Ridge Observatory			Maine	A private observatory near Eustis.
	Evans Above Observatory			Washington	A Private Observatory in near Vancouver, Washington.
	EverStaR Observatory			Kansas	Observatory in Olathe.
	Everglades Observatory			Florida	A private observatory in Okeechobee.
	Evergreen Observatory			Pennsylvania	A private observatory in Girard Township.
	Evermore Farms			Georgia	Site of future observatory and astronomy park.
	Ewell Observatory			California
	Ex Nihilo Observatory			Georgia	E.N.O. is a private observatory.
	Eye In The Sky YOGO Observatory			Montana	A private observatory.
	EyeScope Star Shack			Michigan	A private observatory.
	Eyegloo Observatory			Texas	A private observatory in Leander.
	Eyeline Observatory			New York	A private observatory in Ransomville.
	F.Myers Observatory			Tennessee	A private observatory.
	FOAH Observatory			New Mexico	A private observatory.
	Fairborn Observatory			Arizona	An array of automatic photometric telescopes run by the Automated Astronomy Group of Tennessee State University. Near Patagonia.
	Fall River Pkwy Observatory			Florida	A private observatory.
	Falling Water Observatory			Texas	A private observatory near Comfort.
	Family Astronomers Of Kentucky			Kentucky	A private observatory near Carlisle.
	Fan Mountain Observatory			Virginia	An observatory of the University of Virginia.
	Far Away Observatory			California	A private observatory in Valley Center.
	Far Horizons Observatory			Montana	A private observatory.
	Far Reach Observatory			Massachusetts	A private observatory.
	Farfel Observatory			Oregon	Private observatory somewhere around Eugene.
	Farpoint Observatory			Kansas	Observatory (MPC 734) of the Northeast Kansas Amateur Astronomers' League (NEKAAL).
	Fayette			Missouri	Home of Morrison ObservatoryCentral Missouri Astronomical Association.
	Feather River Observatory			California	A private observatory in Oroville.
	Fennell Auxiliary Observatory			Mississippi	A private observatory near Horn Lake.
	Fennell Observatory			Tennessee	A private observatory in Oakland.
	Fenton Hill Observtory			New Mexico	AKA TA-57. Observatory of the Los Alamos National Laboratory.
	Fenwick Observatory			Virginia	A private observatory in Henrico County.
	Fernbank Observatory			Georgia	Observatory of the Fernbank Science Center. In Decatur.
	Ferry Point observatory			North Carolina	A private obseratory near Elizabeth City.
	Fickle Hill Observatory			California	Observatory of Humboldt State University. Near Arcata.
	Field of Dreams Observatory			Ohio	A private observatory near Salem.
	Fieldon Hill Observatory			Illinois	A private observatory near Feldon.
	Fifth Meridian Observatory			Alberta	A private observatory SW of High River.
	Finch Observatory			Florida	A private observatory.
	Fire Panther Observatory			Georgia	Site of future robotic observatory.
	Firefly Observatory			North Carolina	A private observatory.
	Firetail Observatory			Texas	A private observatory located between San Antonio and Austin.
	First Colony Observatory			Mississippi	Near Columbus.
	First Light Observatory			Nevada	A private observatory
	Flagstaff			Arizona	Home of the Lowell Observatory and NURO. Also home of the Coconino Astronomical Society, the Flagstaff Astronomy Club and the Flagstaff Dark Skies Coalition.
	Flaming Gorge Observatory			Utah	A private observatory near Manila and Flaming Gorge National Recreation Area.
	Flanders Pond Observatory			Maine	A private observatory in East Sullivan.
	Fleischmanns Observatory			New York	A private observatory near Fleischmanns .
	Flint Hill Observatory			Texas	A private observatory near Christoval.
	Flint Ridge Observatory			Virginia	A private observatory near Winchester.
	Flushing Observatory			Michigan	A private observatory in Flushing.
	Flying Cow Observatory			Florida	A private observatory somewhere around Loxahatchee.
	Flying M Observatory			Arizona	A private observatory.
	Foggy Bottom Observatory			New York	Observatory of Colgate University in Hamilton.
	Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
	Ford Lake Observatory			Georgia	A private observatory near Fayetteville.
	Forest Acres Observatory			South Carolina	A private observatory somewhere around Forest Acres.
	ForestGate Farm Observatory			Michigan	A private observatory. Near Iron River.
	Fort Erie Observatory			Ontario	A private observatory near Fort Erie.
	Fort Falstaff Observatory			Vermont	Near Montpelier.
	Fort Lauderdale			Florida	Home of Gibson Observatory. A site of the South Florida Amateur Astronomers.
	Fort Meigs Observatory			Ohio	A private observatory near Perrysburg.
	Fort Phil Kearny Observatory			Wyoming	Site of future observatory of the Fort Phil Kearny Historic Site.
	Fossil View Observatory			Texas	A private observatory of a member of the Hill Country Astronomers.
	Four Corners Algonquin Observatory			Ontario
	Four Corners Madawaska Observatory			Ontario
	Four Elements Observatory			Ontario	A private observatory.
	Four Winds Observatory			Michigan	A private observatory.
	Fox Observatory			Florida	Observatory of the South Florida Amateur Astronomers Association.
	Fox Park Public Observatory			Michigan	A public observatory in Fox Memorial Park, Potterville.
	FoxStar II Observatory			Missouri	A private observatory.
	FoxStar Observatory			Missouri	A private observatory 25mi east of Kansas city.
	Foxmead Observatory			Ontario	A private observatory near Coldwater.
	Foxtrotter Observatory			Florida	A private observatory in Marion county.
	Francis Marion University Observatory			South Carolina	Observatory of Francis Marion University with public observing. In Florence.
	Fred Bay Observatory			Ohio	Observatory of the Warren County Astronomical Society. In Hisey Park.
	Fred Lossing Observatory			Ontario	Ottawa RASC's observatory near Almonte. Located on a back lot of the Mill of Kintail which is also the site of star parties held by the Ottawa Astronomy Friends.
	Fred's Backyard Observatory			Ontario	A private observatory in Etobicoke.
	Fred's Observatory			Ohio	A private observatory.
	Fredericton			New Brunswick	Home of the Fredericton Astronomy Club, the The Brydone Jack Observatory of the University of New Brunswick, the Brydone Jack Astronomy Club, and a meeting place of the RASC New Brunswick Centre.
	Fredonia Mountain Observatory			Tennessee	A private observatory affiliate with the Barnard Astronomical Society of Chattanooga.
	Fredonia Observatory			New York	Observatory of Fredonia State University of New York.
	Freeman Lake Observatory			Kentucky	A private observatory near Elizabethtown.
	Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
	Friendship Observatory			Texas	A private observatory soutwest of Austin.
	Frog Hollow Observatory			Arkansas	A private observatory somewhere around Prescott.
	Frog Island Observatory			Michigan	A private observatory near Escanaba.
	Frosty Drew Observatory			Rhode Island	An observatory. Near Charlestown.
	Fulton Science Academy Observatory			Georgia	Observatory Fulton Science Academy.
	Furtman Farm Observatory			Wisconsin	A private observatory near Spooner.
	FvH Observatory			Ontario	A private observatory in Trenton.
	G-2 Farms Observatory			Ontario	A private observatory.
	G49 Observatory			Minnesota	A private observatory. Listed in the MPC as G49 Minnetonka
	GCC North Observatory			Arizona	Observing platform at the North Campus of Glendale Community College. Used by GCC ASTRO, the GCC astronomy club.
	GCC Observatory			Pennsylvania	Observatory of Grove City College
	GEM 'N I Dobservatory			Ontario	A private observatory in Grimsby.
	Gainesville (FL)			Florida	Home of the University of Florida's Campus Teaching Observatory which holds public nights.
	Gairloch Mountain Observatory			Nova Scotia	A private observatory near Middle River.
	Galactic Stone Observatory			Florida	A private observatory near Lutz.
	Galaxy Gazers Observatory			California	A private observatory near Julian.
	Galaxy Quest Observatory			Maine	Observatory and star party site of the Central Maine Astronomical Society. Near Lincolnville.
	Galunlati 2 Observatory			Alabama	A private observatory.
	Garden Bay Observatory			British Columbia	A private observatory.
	Garvey Ranch Observatory			California	Observatory in Garvey Ranch Park in the city of Monterey Park.") Operated by the Los Angeles Astronomical Society.
	Gassen Observatory			Texas	A private observatory somewhere around Franklin. Occaisionally used by the Brazos Valley Astronomy Club.
	Gayle H. Riggsbee Observatory			South Carolina	Observatory of the Charlotte Amateur Astronomers Club.
	Gebbie Observatory			Connecticut	A private observatory in Granby.
	Geddy's Blue Room Observatory			Florida	A private observatory near Homosassa.
	General Nathan Twining Observatory			New Mexico	GNTO is an observatory of The Albuquerque Astronomical Society (TAAS). About 10 miles south of Belen.
	Geneva College Observatory			Pennsylvania	Observatory of Geneva College. Also known as the John Paul Schaefer Memorial Observatory.
	George Landis Arboretum			New York	Arboretum used as an observing site by the Albany Area Amateur Astronomers. Near Esperance.
	George Mason Observatory			Virginia	Observatory of George Mason University.
	George Observatory			Texas	Observatory of Houston Museum of Natural Science. In Brazos Bend State Park.
	George R. Wallace, Jr. Astrophysical Observatory			Massachusetts	Observatory of MIT near Westford. AKA Wallace Observatory.
	Georgetown Observatory			Texas	A private observatory in Georgetown, TX.
	Georgia Shore Observatory			Vermont	A private observatory by the shore of Lake Champlain.
	Gettysburg College Observatory			Pennsylvania	Observatory on the campus of Gettsyburg College.
	Gettysburg Observatory			Pennsylvania	A private observatory.
	Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
	GifNet.US Observatory			Louisiana	A private observatory.
	Gila Sky 22			New Mexico	Site of future private observatory.
	Gilbert Rotary Centennial Observatory			Arizona	Observatory staffed by the East Valley Astronomy Club.
	Gillam			Manitoba	Home of an aurora observatory operated by AUGO, the Athabasca University Geophysical Observatory) of Athabasca University and by Northern Lakes College.
	Girard Observatory			Quebec	A private observatory near West Brome.
	Gittins Observatory			Missouri	A private observatory in Clarksville.
	Glenlea Astronomical Observatory			Manitoba	Observatory site of the University of Manitoba. The RASC Winnipeg Centre also has an observatory and clubhouse on site.
	Goat Hill Observatory			Texas	A private observatory near Lipan.
	Goat Mountain Astronomical Research Station			California	aka GMARS. MPC observatory G79.
	Goat Ranch Observatory			Missouri	A private observatory.
	Goat Shed Observatory			Idaho	A private observatory.
	Godfrey Road Observatory			Vermont	Near East Thetford.
	Godin-Goff Memorial Observatory			Colorado	A private observatory near Hotchkiss.
	Goethe Link Observatory			Indiana	of Indiana University. Also the location of the Tanager Hill Observatory. In Brooklyn(IN).
	Gold Ridge observatory			Alabama	A private observatory near Gold Ridge.
	Golden Ears Observatory			British Columbia	A private observatory somewhere in Silver Valley.
	Golden Mean Observatory			Maryland	A private observatory.
	Golden Pond Observatory			Kentucky	Observatory located in the Land Between The Lakes National Recreation Area. Home of the Western Kentucky Amateur Astronomers.
	Goldendale Observatory			Washington	Observatory of Goldendale Observatory State Park. Near Goldendale.
	Good Hope Observatory			West Virginia	An observatory of a member of the Central Appalachian Astronomy Club. Near Good Hope.
	Goodsell Observatory			Minnesota	Observatory, with public observing, of Carleton College. Near Northfield.
	Goodwin Mountain Observatory			Wyoming	A private observatory.
	Gopherville Observatory			Arizona	A private observatory near Sumerton.
	Gordon MacMillan Southam Observatory			British Columbia	Observatory of the H.R. MacMillan Space Centre. In Vancouver.
	Gorham Observatory			Maine	In Gorham.
	Gov Aker Observatory			Arizona	Observatory of Eastern Arizona College, located at EAC's Discovery Park Campus in Safford.
	Gower Observatory			New Brunswick	A private observatory in Cumberland Bay.
	Graceland University Observatory			Iowa	Observatory of Graceland University. In Lamoni
	GradyLand Heaven Observatory			Florida	A private observatory near Melbourne.
	Grafton Lakes State Park			New York	State park used by the Albany Area Amateur Astronomers for star parties.
	Grand Cosmic Observatory			Wyoming	A private observatory near Jackson Hole.
	Grand Coteau Observatory			Mississippi	An observatory in Ford's Creek area.
	Grand Island			Nebraska	A private observatory in Hall county.
	Grand Mesa Observatory			Colorado	A remote astro-imaging observatory.
	Grand View Observatory			Arizona	A private observatory near Ash Fork.
	Grant O. Gale Observatory			Iowa	Observatory of Grinnell College in Grinnell..
	Grassland Mountain Observatory			North Carolina	Private observatory of the Astronomy Club of Asheville. In Madison County.
	Grasslands Observatory			Arizona	An observatory near Sonoita.
	Grasswood Observatory			California	A private observatory near Malibu.
	Graystar Observatory			New York	A private observatory near Seaford.
	Great Falls Observatory Park			Virginia	Astronomy park of the Analemma Sociey. In Great Falls and close to Reston.
	Great Neck South High Big Blue Rebel Observatory			New York	Observatory of the science section of Great Neck South High School
	Greeley Hill Observatory			California	A private observatory near Coulterville.
	Green Acres Observatory			California	A private observatory.
	Green Bank Observatory			West Virginia	Radio Observatory and for research and education. Also the home of the Green Bank Star Quest.
	Green Mountain Observatory			Vermont	Observatory of the Vermont Astronomical Society. Near Hinesburg.
	Green Ridge Observatory			Ontario	A private observatory near Ridgetown.
	Green River Observatory			Wyoming	A private observatory near Big Piney.
	GreenWay Lakes Observatory			Florida	A private observatory in Westchester.
	Greenbrier Observatory			West Virginia	A private observatory near White Sulpher Springs.
	Greencastle			Indiana	Home of McKim Observatory of DePauw University.
	Greenhawk Observatory			California	A private observatory.
	Greenwich Observatory			Connecticut	A private observatory in Greenwich, CT.
	Grenville Base Observatory			Virginia	A private observatory in the Bull Run Mountains.
	Gretna City Park Observatory			Louisiana	The City of Gretna Louisiana Public Observatory.
	Grey Highland Skies Observatory			Ontario	A private observatory near Dundalk.
	Griffith Observatory			California	A professional observatory with public star parties
	Grout Observatory			Vermont	Public observatory at Peoples Academy.
	Grubbs Road Observatory			Kentucky	A private observatory.
	Grundy Observatory			Pennsylvania	Observatory of Franklin and Marshall College which is also the meeting place of the Astronomy Enthusiasts of Lancaster County.
	GuideStar Observatory			Arizona	A private observatory.
	Gunnison Valley Observatory			Colorado	A public observatory observatory near Gunnison.
	HAO Observatory			Pennsylvania	A private observatory near Monessen.
	HG Observatory			Wisconsin	A private observatory.
	HOLT Observatory			California	A private observatory.
	HRH Observatory			Florida	A private observatory in Sarasota.
	Haggart Observatory			Oregon	An observatory located on the campus of Clackamas Community College in Oregon City, and operated by the Rose City Astronomers.
	Hahnenberg Observatory			Michigan	A private observatory near Lake Leelanau.
	Hale Hill Observatory			Indiana	A private observatory in the Owen-Putnam State Forest near Spencer. Used by some members of the Indiana Astronomical Society.
	Hale Mountain Observatory			Arkansas	A private observatory near Morrow and alternate observing site for the Arkansas/Oklahoma Astronomical Society.
	Hale Observatory			Florida	A private observatory in Avon Park City.
	Halfmoon Observatory			Kentucky	A private observatory near Dawson Springs.
	Halfmoon Stream Observatory			Maine	A private observatory near Knox.
	Haliburton Forest Observatory			Ontario	An in a privately owned forest.
	Halifax			Nova Scotia	Home of the RASC Halifax Centre and the Burke-Gaffney Observatory.
	Hall's Harbour Observatory			Nova Scotia	A private observatory.
	Hallam Observatory			Ontario	An observatory of the RASC Windsor Centre. Near Comber.
	Halliday Observatory			New Jersey	A private observatory in Brick Township.
	Halliday Parkwood Observatory			Florida	A private observatory.
	Hamilton Centre Observatory			Ontario	Near Waterdown. Observatory of the Hamilton RASC
	Hammond Bay Observatory			Michigan	A private observatory.
	Hampden-Sydney College Observatory			Virginia	Observatory of Hampden-Sydney College. In Hampden-Sydney.
	Hampton-Harmon Observatory			North Carolina	A private observatory.
	Hamptons Observatory			New York	A not-for-profit observatory in East Hampton. Formerly Montauk Observatory
	Hanover			New Hampshire	Home of Dartmouth College's Shattuck Observatory.
	Hansen Observatory			Nebraska	A private observatory.
	Hard Labor Creek Observatory			Georgia	An observatory site of Georgia State University. In Hard Labor Creek State Park.
	Harding Hill Observatory			Maine	A private observatory.
	Harford Community College Observatory			Maryland	Observatory of Harford Community College. Also used by the Harford County Astronomical Society. Near Bel Air.
	Harken Observatory			Wisconsin	Observatory of the Pewaukee Public Library.
	Harmony Observatory			Texas	A private observatory.
	Harold E. Taylor Observatory			New Jersey	Observatory of the Richard Stockton College. Near NAFEC-Atlantic City Airport.
	Harrington Lodge Silver Star Observatory			British Columbia	On Silver Star Mountain.
	Harvey Observatory			Illinois	A private observatory.
	Hat Ranch Observatory			New Mexico	A private observatory.
	Hawk Observatory			South Dakota	A private observatory. Also known as Grandpa's House Observatory. In the town of Tea, SD.
	Hawk's Hollow Observatory			Michigan	A private obsrevatory in Jenison.
	Hawkeye Observatory			Illinois	A private observatory.
	Hawkins Pond Observatory			New Hampshire	A private observatory.
	Hawks Landing Observatory			California	A private observatory
	Hay House Farm Observatory			Virginia	A private observatory somewhere around Louisa, VA.
	Hayes Observatory			Tennessee	A private observatory of a member of the Barnard Astronomical Society of Chattanooga.
	Hayfield Observatory			Mississippi	Observatory of the Pearl River Community College in Poplarville
	Hazeldale Observatory			Mississippi	A private observatory near Carriere.
	Heartwood Observatory			Ontario	A private observatory.
	Heaven Sent Observatory			Florida	A private observatory near the Flamingo entrance of Everglades National Park.
	Heaven's Gate Observatory			Oregon	A private observatory.
	Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
	Heavenly Views Observatory			Texas	A private observatory outside Mountain Home.
	Heavens Gate Farm Observatory			Illinois	A private observatory near Beverly. Also home of the Two Rivers Spring Star Party.
	Heavens View Observatory			Michigan	A private observatory near Ortonville.
	Hebron Observatory			Pennsylvania	A private observatory somewhere around Hebron.
	Hector J. Robinson Observatory			Michigan	AKA the Lincoln Park Observatory. Observatory of the Lincoln Park School System. Near Lincoln Park High School.
	Helmer Observatory			Michigan	Near Helmer.
	Hepcat Sky Observatory			Texas	A private observatory near Cypress.
	Hewlett Observatory			New York	A private observatory near Canton.
	HiRes 1			Utah	Site 1 of the High Resolution Fly's Eye cosmic ray observatory (by atmospheric fluorescence) of the University of Utah On Little Granite Mountain.
	HiRes 2			Utah	Site 2 of the High Resolution Fly's Eye cosmic ray observatory (by atmospheric fluorescence) of the University of Utah. Near Camel's Back Ridge.
	Hidden Bend Observatory			West Virginia	A private observatory near Romney.
	Hidden Creek Observatory			Virginia	A private observatory.
	Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
	Hidden Lake Observatory			Connecticut	A private observatory somewhere around Colebrook.
	Hidden Loft Observatory			Arizona	An observatory near Oro Valley.
	Hidden Valley Observatory			California	A private observatory near Soquel.
	Hidden Valley Observatory			South Dakota	Observatory of the Black Hills Astronomical Society. Near Rapid City.
	Hidden Valley Observatory			Wisconsin	A private observatory.
	Hidden Waters Observatory			Virginia	A private observatory of a member of the Shenandoah Valley Stargazers.
	Hiddenwell Observatory			Ontario
	Hideaway Observatory			Arizona	A private observatory somewhere around Duncan.
	Higby Hill Observatory			Pennsylvania	A private observatory.
	High Flight Observatory			Texas	A private observatory near Camp Alzafar.
	High Meadows Observatory			Utah	A private observatory near Park City. Also home of Utah Skies and Night Sky Friendly Outdoor Lighting www.StarryNightLights.com.
	High Mountain Observatory			New Jersey	A private observatory on the base of High Mountain in the Preakness Range of the Watchung Mountains.
	High Peak Observatory			North Carolina	A private observatory near Valdese.
	High Plains Observatory			Colorado	A private observatory in Firestone.
	High Ridge Ranch Observatory			Texas	A private observatory.
	High Rock Lake Observatory			North Carolina	A private observatory near High Rock Lake.
	High Springs Observatory			Florida	A private observatory.
	HighBridge Hills Northern Lights Educational Center			Wisconsin	Future site of the STARS Foundation's public observatory. Near High Bridge.
	Highland Road Park Observatory			Louisiana	A remote control observatory with public events. Near Baton Rouge.
	Highlands Observatory			Pennsylvania	A private observatory
	Highlands Wilderness Observatory			Ontario	An observatory in Minden Hills.
	Highpointe Observatory			Mississippi	A private observatory near Oak Grove.
	Highwinds Observatory			New York	A private observatory in Geneseo.
	Hildene Observatory			Vermont	An observatory of the Hildene Astronomy Club. Near Manchester.
	Hill County Star Watch Observatory			Texas	A private observatory.
	Hill Top Observatory			New Hampshire	A Private Observatory near Mont Vernon, NH.
	Hillier Observatory			Ontario	A private observatory.
	Hillsman's Observatory			Missouri	A private observatory in Holden.
	Hilltop Homeschool Observatory			Iowa	A private observatory of a member of the Cedar Amateur Astronomers. Near Cedar Rapids.
	Hilltop Observatory			Washington	A private observatory somewhere around Hoquiam.
	Hines Observatory			Georgia	A private observatory (IAU/MPC H71) near Chula.
	Hirsch Observatory			New York	Observatory of Rensselaer Polytechnic Institute in Troy.
	His Glassworks Observatory			North Carolina	A private observatory near Asheville.
	Hobbs Observatory			Wisconsin	MPC observatory code 750. In Beaver Creek Reserve near Fall creek. Also site of the Northwoods Starfest held by the Chippewa Valley Astronomical Society.
	Hodgson Observatory			South Dakota	Private observatory. Near Sunniside City.
	Hogsback Observatory			Michigan	A private observatory near Mason, MI.
	Holcomb Observatory			Vermont	An observatory of Saint Michael's College in Colchester.
	Hollow Oak Observatory			Ohio	A private observatory in Hilliard.
	Holly Dome Observatory			New Jersey	A private observatory near Millville.
	Holmes Observatory			California	A private observatory near Lompico.
	Holt Rd. Observatory			New York	A private observatory in Keene Valley.
	Honea-Egypt Observatory			Texas	A private observatory in Montgomery county.
	Honey Creek Observatory			Nebraska	A private observatory near O'Neill, NE.
	Hopewell Observatory			Virginia	In the Bull Run Mountains.
	Hopkins Observatory			Massachusetts	Observatory of Williams College. In Williamstown.
	Horizon Planetary Observatory			West Virginia	Near Glenville.
	Horizon Vista Observatory			New Mexico	A private observatory near Belen
	Horizons Observatory			Vermont	Observatory of Pomfret Elementary school and site of public observing. In South Pomfret.
	Horizontal Heavens Observatory			Texas	A private observatory near Spring Branch.
	Horse Heaven Observatory			Washington	AKA H2O Observatory. A private observatory near The Horse Heaven Hills.
	Horseappleacres Observatory			Colorado	A private observatory on the Palmer Divide.
	Houghton Lake Observatory Site			Michigan	Site of future private observatory. Near Houghton Lake.
	Howe Observatory			Massachusetts	A private observatory near New Braintree.
	Howell Observatory			Mississippi	Observatory of Mississippi State University in Starkville.
	Hualapai Valley Observatory			Arizona	A private observatory.
	Humane Animal Hospital Observatory			Texas	A private observatory.
	Humarock Observatory			Massachusetts	A private observatory somewhere around Humarock.
	Humble ISD Astronomical Observatory			Texas	Observatory of the Humble Independent School District. Near Humble.
	Hume Cronyn Observatory			Ontario	A observatory run by the Department of Physics and Astronomy of the University of Western Ontario.
	Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
	Hunt Observatory			Alabama	A private observatory near Eldridge.
	Hyman Rim Ranch Observatory			Arizona	A private observatory.
	Hythe Observatory			Alberta	A private observatory in the town of Hythe.
	ICStars Ranch			Missouri	A site used by the Astronomical Society of Kansas City, home of the ICSTARS Star Party and home of the Charles Douglas Observatory. Five miles north of Warrensburg.
	IU Kokomo Observatory			Indiana	Observatory of Indiana University Kokomo. Also used by some members of the Kokomo Astronomy Club.
	Ibis Observatoire			Quebec	Une observatoire priv\xe9.\tPr\xe8s de Saint-Fabien-de-Panet.
	Icefog Observatory			Alaska	A private observatory.
	Idlewild Observatory			Colorado	A private observatory near Englewood.
	Indian Hill Observatory			Ohio	Observatory of the Chagrin Valley Astronomical Society
	Indian Prairie Observatory			Washington	A private observatory somewhere west of Spokane.
	Indian Tree Observatory			Colorado	A private observatory in Elbert County.
	Indianapolis			Indiana	Home of the Indiana Astronomical Society and Holcomb Observatory and Planetarium of Butler University.
	Infinity's Edge Observatory - CO			Colorado	A private observatory.
	Infinity's Edge Observatory - FL			Florida	A private observatory somewhere around Melbourne.
	Inlet Outlet Observatory			New Jersey	A private observatory.
	Innerarity Island Observatory			Florida	A private observatory on Innerarity Island in Perdido Bay.
	Intrusted Observatory			Kansas	A private observatory near El Dorado(KS).
	Inukshuk Observatory			Ontario	A private observatory in Ottawa.
	Inukshuk Observatory			Wisconsin	A private observatory near Eagle River.
	Iowa SkyNet Observatory			Iowa	A private observatory near Washington, IA.
	Irvington Observatory			Michigan	A private observatory in Howell.
	Island Grove Observatory.			Ontario	Near Keswick on southernmost Lake Simcoe.
	Ithaca			New York	Home of the Cornell Astronomical Society. Also home of the Clinton B. Ford Observatory of Ithaca College. Forecast also covers the nearby Fuertes and Hartung-Boothroyd observatories of Cornell University.
	Ivan's Observatory			Florida	A private observatory in Coconut Creek.
	Ivanhoe Observatory			Ontario	A private observatory near Ivanhoe.
	J. Stephen Schmidt Observatory			Georgia	A private observatory near Ball Ground.
	J. Weiskopf Observatory			Illinois	Observatory with free public observing in Byron Forest Preserve District.
	J.S.M. Blue Lake Township Observatory			Michigan	A private obsrevatory.
	JAOWAT Observatory			Oklahoma	Future private observatory site.
	JAT Observatory			Pennsylvania	A private observatory near Fairless Hills.
	JGS Observatory			New York	A private observatory in Amenia.
	JMS Observatory			Minnesota	Observatory of Jackson Middle School of the Anoka-Hennepin School District.
	Jack C. Davis Observatory			Nevada	Observatory of the Western Nevada Community College. Affiliated with the Western Nevada Astronomical Society. In Carson City
	Jackson (MS)			Mississippi	Home of the Jackson Astronomical Society and the James Observatory of Millsaps College.
	Jackson Observatory			North Dakota	A private observatory.
	Jaffa Observatory			Utah	A private observatory.
	James C. Veen Observatory			Michigan	Home of the Grand Rapids Amateur Astronomical Association.
	James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
	James Wylie Shepherd Observatory			Alabama	Site of future Observatory on the campus of the University of Montevallo
	Jarnac Observatory			Arizona	A private observatory near Vail.
	Jefferson College Observatory			Missouri	Observatory of Jefferson College and the St Louis Astronomical Society. Site of public star parties.
	Jefferson Observatory			Georgia	A private observatory in Jefferson.
	Jefferson Observatory			Ohio	A private observatory.
	Jim Loudon Observatory			Arizona	Observatory near Tucson.
	Jock River Observatory			Ontario	A private observatory.
	Joe Lalumia Observatory			Texas	A private observatory near Rockwall.
	Joes Universe			Connecticut	A private observatory.
	Joey's Observatory			Florida	A private observatory somewhere around Orlando.
	John Bryan State Park Observatory			Ohio	Observatory of the Miami Valley Astronomical Society in John Bryan State Park.
	John D. Nielsen Observatory			Ohio	Observatory located on the Carlisle Reservation. Used for public observing by the The Black River Astronomical Society.
	John H. Witte Observatory			Iowa	Observatory of the Southeast Iowa Astronomy Club.
	John J. McCarthy Observatory			Connecticut	Observatory(IAU 932) run by the Western Connecticut Chapter, Society for Amateur Scientists .
	John's Observatory			Florida	A private observatory near Bradenton.
	Johnson East Observatory			Pennsylvania	A private observatory near Connellsville.
	Jordan Hall Observatory			Indiana	Observatory, of the University of Notre Dame, at the Jordan Hall of Science. In South Bend.
	Joseph D. Tatem Observatory			New Jersey	Near Medford lakes.
	Joseph Dale Perry Memorial Observatory			West Virginia	A private observatory near Fort Gay.
	Joseph H. Rogers Observatory			Michigan	"Observatory, of Northwestern Michigan College., with public observing. Also home of the Grand Traverse Astronomical Society.
	Joseph J. Casby Observatory			Minnesota	Joseph J. Casby Observatory of the Minnesota Astronomical Society. Located at the Belwin Conservancy.
	Joseph P. Strogen Observatory			Missouri	A private observatory of a member of the Camden County Astronomy Club.
	Journey's End Observatory			Missouri	A private observatory near Walnut Grove.
	Joyce Observatory 2			Florida	A private observatory in Punta Gorda Isles.
	Just a Camp Observatory			Vermont	A private observatory near Keeler Bay.
	Justin's Space Pictures Observatory			New Jersey	A private observatory.
	KS Oil Patch Observatory			Kansas	A private observatory near Spivey.
	KW Observatory			Ontario	A private obsrevatory near Thornhill.
	Kalamazoo			Michigan	Home of the Kalamazoo Astronomical Society and Owl Observatory.
	Katherine Hill Observatory			Virginia	A private observatory.
	Kathik-B Observatory			Ontario	A private observatory in Kanata.
	Kawartha Observatory			Ontario	A private observatory in Lindsay.
	Kayenta Observatory			Utah	A private observatory.
	Keeble Observatory			Virginia	Observatory of Randolph-Macon College in Ashland.
	Kellogg Observatory			New York	Observatory of the Buffalo Museum of Science in Buffalo.
	Kelsar Observatory			Washington	A private observatory
	Kendale Observatory			Florida
	Kendrick Astro Observatory			Ontario	A private observatory in Toronto.
	Kenockee Observatory			Michigan
	KepCo Observatory			British Columbia	A private observatory near Bridesville.
	Keppel Henge			Ontario	A solar-system observatory with unusually robust instruments. Located at Keppel Croft Gardens, near the shore of Georgean Bay between Wiarton and Owen Sound.
	Keystone Ranch Observatory			Texas	Observatory of the San Angelo Astronomy Association.
	Kiamichi Skies Observatory			Oklahoma	A private observatory.
	Kiawah Island Observatory			South Carolina	A private observatory.
	Kilbourne Observatory			Ohio	A private observatory near Sunbury.
	Kile Knob Observatory			West Virginia	A private observatory near Circlville.
	Killarney Provincial Park Observatory			Ontario	Observatory at Killarney Provincial park.
	Killer Rocks Observatory			New Mexico	A private observatory
	Kilpatrick Point Observatory			North Carolina	A private observatory near Hayesville.
	KimbleLabs Observatory			Ohio	A private observatory near West Chester Township.
	King George Observatory			Virginia	A private observatory in King George.
	Kingman Observatory			Michigan	Observatory of Andrews University. In Berrien Springs.
	Kings Valley Observatory			Colorado	A private observatory
	Kingston			Ontario	Home of the RASC Kingston Centre and The Queen's Observatory of Queen's University.
	Kissimmee Park Observatory			Florida	A private observatory near Lake Tohopakaliga.
	Kitt Peak			Arizona	Home of the Kitt Peak National Observatory.
	Kitt's Castle Observatory			Ohio	A private observatory somewhere around Galion.
	Kitters Angola Observatory			New York	A private observatory affiliated with the Buffalo Astronomical Association and South West Florida Astronomical Society.
	Kneeland School Observatory			California	Observatory of Kneeland School. Affiliated with the Astronomers of Humbolt
	Knox College Observatory			Illinois	Observatory at Knox College.
	Knox Octagon Barn			New York	Site of lectures and star parties held by The Dudley Observatory.
	Kopernik Observatory			New York	Observatory of the Kopernik Astronomical Society.
	Krause's Observatory			Florida	A private obsrevatory.
	Kristina Observatory			New York	A private observatory near Long Beach.
	L'Observatoire des Lacs			Maine	A private observatory near Belgrade Lakes.
	LAS Observatory			Indiana	Observatory of the Louisville Astronomical Society near Curby.
	LAT26 RAO			Florida	A private radio astronomy and meteor observatory.
	LEAR Observatory			Utah	A private observatory
	LEO Scope			Colorado	Observatory at the GEODSS Test Bed site near Yoder, Colorado.
	LIGO Hanford Observatory			Washington	A gavitational-wave observatory not normally subject to the vagaries of weather. Near Richland.
	LINEAR			New Mexico	Site of the Lincoln Near Earth Asteroid Research program. A group of observatories of MIT at White Sands Missle Range.
	LJR Observatory			California	A private observatory.
	LVAAS South Mountain Campus			Pennsylvania	Observatory and planeterium site of the Lehigh Valley Amateur Astronomical Society.
	L\xe0r Na Cruinne Observatory			Alberta	A private observatory in West Calgary.
	La Cienega Alta Observatory			New Mexico	A private observatory near Silver City.
	La Mesa Urban Observatory			California	A private observatory in Monterey.
	LaBelle Astronomical Observatory			Florida	A private observatory near LaBelle.
	LaBelle Observatory			California	A private observatory.
	Ladd Observatory			Rhode Island	Observatory of Brown University. In Providence.
	Lady Lake Astronomical Observatory			Newfoundland	LLAO is a private observatory. Near Harbour Grace.
	Lagoon Observatory			California	A private observatory.
	Lake Afton Public Observatory			Kansas	Public observatory Located at Lake Afton Park.
	Lake Ahern Observatory			Florida	A private observatory of a member of the Brevard Astronomical Society. Near Melbourne, FL.
	Lake Dillon Observatory			Colorado	A private observatory near Dillon.
	Lake Havasu City			Arizona	Home of Beyer Observatory at Thunderbolt Middle School.
	Lake Holiday Observatory			Virginia	A private observatory.
	Lake Lanier Observatory			Georgia	A private observatory west of Lake Sydney Lanier.
	Lake Meade Observatory			Pennsylvania	A private observatory.
	Lake Murray Observatory			South Carolina	A private observatory on Lake Murray near Hollow Creek.
	Lake Runnemede Observatory			Vermont	A private observatory on Main Street in Windsor.
	Lake Sky Observatory			Massachusetts	A private observatory near Lake Chaubunagungamaug.
	Lake St. Clair Metropark Observatory			Michigan	Future site of an observatory of Wayne State University located at Lake St. Clair Metropark.
	Lake Stars Observatory			Missouri	A private observatory near Climax Springs
	Lake Titus Observatory			New York	Near Malone.
	Lake of the Woods Observatory			Virginia	A private observatory (MPC I24) in Lake of the Woods.
	Lakehenge Observatory			Ontario	A private observatory.
	Lalen Lake Observatory			Alaska	A private observatory between Houston(AK) and Wasilla.
	Lambert Observatory			New Jersey	A private observatory in Sparta.
	Lamoine Observatory			Maine	A private observatory.
	Lamoria Springs Observatory			Michigan	A private observatory in Sandusky.
	Lamy Ridge Observatory			New Mexico	A private observatory near Lamy..
	Land of Oz Observatory			Kansas	A private observatory.
	Land-o-Clouds Observatory			Wisconsin	A private observatory near Fond du Lac.
	Landolt Astronomical Observatory			Louisiana	Observatory of Louisiana State University. In Baton Rouge.
	Lanphier Observatory			Illinois	An observatory of the Sangamon Astronomical Society. Near Pleasant Plains.
	Lanphier Observatory			Michigan	Observatory of The Leelanau School. Check website or call call 231.334.5890 for public observing times.
	Las Brisas Observatory			Colorado	Observatory near Pikes Peak. Nearby webcam.
	Las Cruces			New Mexico	Home of the Astronomical Society of Las Cruces, Jornada Observatory and Desert Moon Observatory.
	Las Dos Scopes			New Mexico	Site of private observatories.
	Lasqueti Island Observatory			British Columbia	A private observatory near Lambert Lake on Lasqueti Island.
	Lavell Sky observatory			Minnesota	A private observatory near Hibbing.
	Lawrence Lake Observatory			Alberta	A private observatory.
	Lawshe Memorial Observatory			Michigan	A private observatory near Bayview. Also covers Harbor Springs and Petroskey.
	Lazy 8 Ranch Observatory			Florida	A private observatory.
	Lazy J Observatory			Colorado	A private observatory.
	Leach Observatory			Kansas	A private observatory near Lucas.
	Lead Parachute Observatory			Pennsylvania	A future private observatory near Wellsboro.
	Leaking Light Observatory			West Virginia	A private observatory in Waverly.
	Leander McCormick Observatory			Virginia	An Observatory of the University of Virginia.
	Leasburg Dam State Park			New Mexico	State park, site of Stars-n-Parks star parties, and the observatory of the Astronomical Society of Las Cruces.
	Lee DaSilva Observatory			California	A private observatory near Madera.
	Lee Farm Observatory			Georgia	A private observatory of a member of the Alachua Astronomy Club. Near Dupont.
	Leif Everson Observatory (LEO)			Wisconsin	An observatory near The Crossroads At Big Creek. See the Door Peninsula Astronomical Society.
	Leitner Observatory and Planetarium			Connecticut	Observatory of Yale University. Site of public events. In New Haven.
	Lenomiya Observatory			Arizona	A private observatory near Casa Grande.
	Lenore and Walter Hawley Observatory			New Hampshire	Observatory site of St. Paul's School in Concord.
	Leslie C. Peltier Observatory			Connecticut	A private observatory near Thomaston.
	Lewis Smith Lake Observatory			Alabama	A private observatory.
	Lewiston			Idaho	Home of the LCSC-Moser Observatory of the Lewis-Clark State College.
	Lexington			Kentucky	Home of the MacAdam Student Observatory of the University of Kentucky.
	Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
	Lily Lake Observatory			Illinois	A private observatory near the town of Lilly Lake.
	Limber Observatory			Texas	A private observatory near San Antonio.
	Lincoln			Nebraska	Home of the UNL student observatory, the Prairie Astronomy Club and Hyde Memorial Observatory.
	Little Colorado River Valley Observatory			Arizona	Near Concho.
	Little Eden Observatory			Arkansas	A private observatory near Oden.
	Little Piney Observatory			Arkansas	A private observatory in Hagarville.
	Little Ranch Observatory			Nebraska	A private observatory
	Little Rock Creek Observatory			Montana	A private observatory.
	Littlebear Observatory			Washington	A private observatory near Redmond. (Not to be confused with Bear Creek Observatory, nearby.)
	Live Oak Observatory			Texas	A private observatory
	Lizard Hollow Observatory			Arizona	A private observatory near Tucson.
	Lockwood Observatory			California	A private observatory.
	Loeber/Elswick Observatory			Missouri	A private observatory.
	Lofland Observatory			Texas	A private observatory somewhere around Rockwall.
	Logan			Utah	Home of the USU Physics department observatory at Utah State University.
	Logan Observatory			Arizona	A private observatory. In Eagar.
	Lone Palm Observatory			Florida
	Lone Pine Observatory			New York	A private observatory
	Lone Wolf Observatory			Illinois	A private observatory near Varna.
	LoneStar Gazer Observatory			Texas	A private observatory.
	Long Lake			New York	Home of Penguin Rock Observatory.
	Long Mountain Observatory			Tennessee	A private observatory, East of Nashville, operated by Montgomery Bell Academy
	Long Point Observatory			Ontario	A commercial observatory, open to the public. Near Port Dover.
	Lookout Mountain Observatory			Colorado	Observatory of the Lookout Mountain Observatory Association. Near Del Norte.
	Lookout Observatory			Alabama	A private observatory near Mentone. Sometimes used by the Atlanta Astronomy Club.
	Lookout Observatory			North Carolina	Observatory of the University of North Carolina - Asheville with public events by registration. Used by the Astronomy Club of Asheville.
	Lookum Observatory			Michigan	A private observatory near Munising in the U.P.
	Loon Call Observatory			Ontario	A private observatory near Coe Hill.
	Loowit Imaging Observatory			Washington	A private observatory in near Shelton.
	Lorenz Observatory			Ontario	A site of the North York Astronomical Association near Cobourg.
	Lost Silver Observatory			Arizona	A private observatory
	Lost Valley Observatory			California	A private observatory between Yosemite and Kings Canyon in the Sierra Nevada Mountains.
	Louisiana Tech University Observatory			Louisiana	Observatory of Louisiana Tech University. Near Grambling.
	Lowry Observatory			Nebraska	A private observatory in Ogallala.
	Lozano Observatory			Texas	A private observatory.
	Lozwott Observatory			Missouri	AKA Lake of the Ozarks Workshop of the Telescopes. A private observatory.
	Lubbock			Texas	Home of the IGOR observatory at Texas Tech University
	Lucile Miller Observatory			North Carolina	An observatory of the Catawba Valley Astronomy Club. Near Maiden.
	Luckie's Observatory			Georgia	A private observatory.
	Luckydog Observatory			Wisconsin	A private observatory particpating in the AAVSO and Center for Backyard Astrophysics.
	Luling Skies Observatory			Louisiana	A private observatory.
	Lund Observatory			Nevada	A private observatory near Lund.
	Luz Observatory			California	Observatory in the Lewis Center for Educational Research. Base of the HiDAS. In Apple Valley.
	Lyman			Wyoming	Home of Mountain Skies Observatory. Used by members of the Bridger Valley Astronomical Society.
	Lynchburg College Observatory			Virginia	Observatory of Lynchburg College. Located at the college's Claytor Nature Study Center in Bedford County.
	M & T Observatory			New York	A private observatory near Olean.
	M&G Adler Observatory			Massachusetts	A private observatory.
	M.A.R.S.Observatory			North Carolina	AKA "M.A.R.S.Observatory at Area 110". A private site of a member of the Cleveland County Astronomical Society. Near Lawndale.
	MAC-Hunter Observatory			South Carolina	Five observatories of members of the Midlands Astronomy Club. Near Behune.
	MAS Eagle Lake Observatory			Minnesota	A public observatory of the Minnesota Astronomical Society. At Baylor Regional Park.
	MASIL Observatory East			New Hampshire	A private observatory.
	MCCC Observatory			Pennsylvania	Observatory of Montgomery County Community College. Site of observing sessions held by the Bucks Mont Astronomical Association (BMAA), Chesmont Astronomical Society (CAS) and the Delaware Valley Amateur Astronomers (DVAA).
	ME Observatory			Georgia	A private observatory.
	MEL Observatory			Texas	A private observatory near Wimberley.
	MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
	MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
	MSU Observatory			Michigan	Observatory of Michigan State University in East Lansing.
	MT Scopehead Observatory			Vermont	A private observatory near Richmond.
	MVAS Observatory			New York	An observatory of the Mohawk Valley Astronomical Society
	Mabee Observatory			Kansas	Observatory of Bethel College. Near Newton.
	MacPeak Observatory			Colorado	A private observatory.
	Maclean Observatory			Nevada	Observatory of the University of Nevada, Reno.
	Madhira Observatory			Texas	A private observatory.
	Magdalena Ridge Observatory			New Mexico	A research observatory, aka MRO, of New Mexico Tech university. Also site of the Langmuir Laboratory for Atmospheric Research. Near the summit of South Baldy Peak
	Mahoning Valley Cortese Observatory			Ohio	Observatory of the Mahoning Valley Astronomical Society. Near Braceville.
	Maier Observatory			Texas	A private observatory.
	Mais Observatory			California	A private spectroscopic observatory in Valley Center.
	Malhotra Observatory			Florida	A private observatory.
	Malpas Observatory West			Arizona	A private observatory in Williams.
	Mammoth Observatory			California	A private observatory near Mammoth Lakes.
	Manastash Ridge Observatory			Washington	An observatory of the University of Washington.
	Mancamp Observatory			Maine	Near Chesterville.
	Mancave Observatory			Florida	A private observatory somewhere around Myakka City.
	Mannford Observatory			Oklahoma	A private observatory somewhere around Mannford.
	Mano Prieto Observatory			Texas	A private observatory near Ft. Davis.
	Many Worlds Cross Observatory			Massachusetts	A private observatory.
	Maple Ridge Observatory			Michigan	Near Alpena.
	Maple Valley Observatory			Washington	A private observatory in Maple Valley.
	Maple's Observatory			California	A private observatory somewhere around Salinas.
	Maple-Brook Observatory			Nova Scotia	A private observatory near Oakfield.
	Marathon Remote Imaging Observatory			Texas	AKA MaRIO. A private observatory near Marathon.
	Marble Lake Observatory			Ontario	A private observatory near Cloyne.
	Maricopa Observatory			Arizona	A private observatory in Maricopa.
	Mark Slade Remote Observatory			Virginia	AKA MSRO. Observatory owned by MSRO Science, Inc.
	Marra's Frustration Center			Ohio	A private observatory near Forest Park.
	Mars Desert Research Station			Utah	AKA MDRS. A research station with observatories.
	Marshall Hill Observatory			New York	A private observatory in Medina.
	Marsing			Idaho	Home of Chicken Dinner Road Observatory.
	Marstown Observatory			Maryland	A private observatory near New Windsor.
	Martens Observatory			North Dakota	Home of the 20" Martens-Kraus telescope, operated by the UND Department of Physics & Astrophysics, and an observing site for the Northern Sky Astronomical Society.
	Martin Observatory			Virginia	Observatory of the Virginia Tech Physics Department.
	Martz-Kohl Observatory			New York	Near Jamestown. Observatory of the Martz Astronomical Association
	Marysville Observatory			Washington	A private observatory near Marysville.
	Mason Bald Observatory			Ontario	A private observatory in Frankford.
	Matador Manor Observatory			Texas	A private observatory.
	Mattatuck Astronomical Society Observatory			Connecticut	An observatory of the Mattatuck Astronomical Society located in the White Memorial Conservation Center. Also used by the Litchfield Hills Amateur Astronomy Club. Near Litchfield.
	Maury Lewin Astronomical Observatory			California	A private observatory in Glendora.
	Maxwell Observatory			Alabama	A private observatory near Scottsboro.
	May River Road Observatory			South Carolina	A private observatory
	Mayland Earth to Sky Park			North Carolina	Observatory and park of Mayland Community College.
	Maynard F. Jordan Observatory			Maine	Observatory of the University of Maine. In Orono.
	McCardell Bicentennial Hall at Middlebury College			Vermont	Home of Mittelman Observatory of Middlebury College. In Middlebury.
	McCauley Lake Observatory			Ontario	A private observatory.
	McDonald Observatory			Texas	A professional observatory of the University of Texas. Home of the Hobby-Eberly, Harlan J. Smith and Otto Struve telescopes.
	McMahan MP Observatory			Texas	A private observatory near McMahan.
	McMath-Hulbert Observatory			Michigan	An observatory with public events. Near Lake Angelus.
	Meadow View Observatory			California	A private observatory.
	Meadowlark Ridge Observatory			Wisconsin	A private observatory somewhere around near New Glarus.
	Megamark Observatory			Illinois	A private observatory.
	Melinda Heights Observatory			California	A private observatory.
	Merk Observatory			Washington	A private observatory 11km SE of Moses Lake.
	Mesa Vista Observatory			New Mexico	A private observatory.
	Messier 110 Observatory			Oklahoma	A private observatory.
	Metacom Observatory			Rhode Island	A private observatory in Warren.
	Meyer-Womble Observatory			Colorado	Observatory of Denver University on Mt Evans.
	Michael L. Britton Observatory			Pennsylvania	An observatory of Dickinson College in Carlisle. Used by the Dickinson College Astronomy Club.
	Michowka Observatory			Wisconsin	A private observatory.
	Middlebury Observatory			New York	A private observatory.
	Middlesex School Observatory			Massachusetts	Observatory of Middlesex School, in Concord.
	Mikes Mobile Notary Service, Observatory			Texas	A private observatory. Contact for access.
	Milagro Observatory			Colorado	A private observatory northwest of Cortez.
	Milky Whey Observatory			Texas	A private Observatory.
	Mill Pond Observatory			Ontario	A private observatory. Also used by some members of the SD&G Back Yard Astronomers from Cornwall.
	Miller Creek Observatory			Texas	A private observatory near Munday.
	Miller Observatory			Texas	Site of future private observatory.
	Miller Observatory			Ohio	Observatory at Kenyon College.
	Minakakis Observatory			Ontario	A private observatory near Halton Hills.
	Mind's Eye Observatory			Florida	A private observatory.
	Mineral Ranch Observatory			Texas	Near the town of Mineral.
	Mingo Creek Park Observatory			Pennsylvania	Observatory of the Amateur Astronomers Association of Pittsburgh. Near Monongahela.
	Miquelon Lake Provincial Park			Alberta	Provinical park and home of the Hesje Observatory of the University of Alberta. Also site of star parties held by the RASC Edmonton Centre and the Camrose Astronomy Group.
	Missouri Gulch Observatory			Colorado	A private observatory.
	Missouri S&T Observatory			Missouri	Observatory of the Missouri University of Science and Technology.
	Misti Mountain Observatory			Arizona	A private observatory.
	Mitchell Observatory			Pennsylvania	A private observatory.
	Mitten Lake Observatory			Wisconsin	A private observatory.
	Moab Observatory			Utah
	Modest Pinon Observatory			New Mexico	A private observatory in the Albuquerque East Mountains.
	Modine Benstead Observatory			Wisconsin	Observatory of the Racine Astronomical Society.
	Mole Hill Observatory			Texas	A private observatory.
	Monroe Remote Observatory			Texas	Observatory of the University of North Texas.
	Monroe Robotic Observatory			Texas	Observatory of the University of North Texas.
	Monsey Observatory			New York	A private observatory.
	Monswath observatory			Missouri	A private site near Warrenton.
	Mont St-Alex			Quebec	Site d'observatoires priv\xe9s. Pr\xe8s de Saint-Alexandre.
	Montgomery County Astrophysical Observatory			Maryland	Aka MCAO, a private observatory, near Derwood.
	Montgomery Observatory			Oklahoma	Near Newport.
	Montpelier Observatory			Virginia	A private observatory near Montpelier.
	Montreal			Quebec	Home of the I. K. Williamson Observatory of the RASC Montreal Centre and La soci\xe9t\xe9 d'astronomie de Montr\xe9al.
	Mookie Mountain Observatory			Georgia	A private observatory near Morganton.
	Moonridge Observatory			West Virginia	A private observatory near Harpers Ferry.
	Moore Observatory			Kentucky	Observatory of the University of Louisville. In Brownsboro.
	Mooselook Observatory			Maine	A private obsrevatory somewhere around Lake Mooselookmeguntic.
	Moraine Valley Community College Observatory			Illinois	observatory of Moraine Valley Community College.
	Morehead Observatory			North Carolina	Observatory of University of North Carolina at Chapel Hill.
	Morehouse Lake Observatory			New York	A private observatory near Hoffmeister.
	Morgan County Observatory			West Virginia	Observatory of the Morgan County Observatory Foundation. Near Berkeley Springs.
	Morgan Point Observatory			Arkansas	A private observatory.
	Morning Calm Observatory			Virginia	A private observatory.
	Morning Star Observatory			North Carolina	A private observatory in the Pinnacle Mountains of Western North Carolina.
	Morning Star Observatory			West Virginia	A private observatory.
	Morning Star Observatory			Pennsylvania	A private observatory somewhere around New Florence.
	Morris County Observatory			New Jersey	Near Randolph.
	Morris Observatory			Indiana	Observatory of Manchester College. In North Manchester.
	Morrison Observatory			Missouri	Observatory of Central Methodist Universityin Fayette.
	Morrow Observatory			Indiana	Observatory of Bedford-North Lawrence High School (BNLHS). Used by the Stonebelt Stargazers Astronomy Club. Near Bedford.
	Morton Observatory			Utah	A private observatory near Pleasant Grove.
	Moss Rock Observatory			Colorado	A private observatory.
	Mossy Creek Observatory			Tennessee	A private observatory.
	Mound City Observatory			Utah	A private observatory in Heber Valley.
	Mount Airy Observatory			Maryland	A private observatory of a member of the Howard Astronomical League.
	Mount Cuba Astronomical Observatory			Delaware	AKA MCAO. Observatory of the Delaware Astromical Society
	Mount Fritz Observatory			Colorado	A private observatory of a member of the Northern Colorado Astronomical Society.
	Mount Graham			Arizona	Home of the Large Binocular Telescope and Mount Graham International Observatory.
	Mount Hamilton			California	Home of the Lick Observatory.
	Mount Jennings Observatory			Illinois	A private observatory somewhere around Manteno.
	Mount Laguna Observatory			California	Observatory of San Diego State University (SDSU).
	Mount Massive Lakes Observatory			Colorado	A private observatory.
	Mount Mould Observatory			Ontario	A private observatory near Gooderham. Also known as MMO.
	Mount Nemo Observatory			Ontario	A private observatory.
	Mount Olson Observatory			Ontario	A private observatory in North Augusta.
	Mount Saint Helens			Washington	Centered on the non-astronomical Johnston Ridge Observatory.
	Mount Washington Observatory			New Hampshire	A meteoroligical observatory in Mount Washington State Park.
	Mount Wilson Observatory			California	link
	Mountain High observatory			North Carolina	A private observatory near Highlands.
	Mountain Meadows Observatory			West Virginia	Private Observatory near Lost River State Park.
	Mountain Rest Observatory			South Carolina	An observing site,and future observator of the Clemson Area Amateur Astronomers.
	Mountain Skies Observatory			Utah	A private obsevatory near Eagle Mountain.
	Mountain Sky Observatory			Colorado	A private observatory.
	Mountain Springs Observatory			Texas	A private observatory near Gainsville.
	Mountain View Observatory			Virginia	An observatory near Warrenton.
	Mountainville Observatory			Utah	A private observatory. AKA MPC: V01
	Mountville Observatory			Georgia	A private observatory near Mountville.
	Mt Bachelor Star Party			Oregon	A star party held at the Sunriver Nature Center & Observatory
	Mt Potosi Observatory			Nevada	An observatory of the Las Vegas Astronomical Society. Associated with the Boy Scouts of America Las Vegas
	Mt. Chestnut Observatory			Pennsylvania	A private observatory in Mount Chestnut near Butler.
	Mt. Laurel Observatory			Alabama	Observatory near Mt. Laurel water treatment plant.
	Mt. Lemmon Observatory			Arizona	Observatory ( part of the Steward Observatory) of the University of Arizona. Also site of the Mount Lemmon SkyCenter and Astronomy Camps. (All-Sky webcam)
	Mt. Lion Observatory			Pennsylvania	AKA Mountain Lion Observatory at Fort Roberdeau historic site. Operated by the Starlight Astronomy Club and the Altoona Area High School.
	Mt. Norway Observatory			Washington	A private observatory of a member of the Southwest Washington Stargazers. Near Washougal.
	Mt. SAC Observatory			California	Observatory of Mount San Antonio College. In Walnut.
	Mt. Stony Brook Observatory			New York	Observatory of Stony Brook University. Used by the Stony Brook Undergraduate Astronomy Club.
	Muncie			Indiana	Home of the Muncie Astronomy Club and the observatory of Ball State University.
	Murillo Family Observatory			California	Observatory of the California State University, San Bernardino.
	Murphicus Observatory			Virginia	A private observatory in Western Loudoun County.
	Muskegon Astronomical Society			Michigan	Observatory of the MAS
	My-Spot Observatory			Michigan	A private observatory near West Bloomfield.
	My-Spot West Observatory			Wyoming	A private observatory.
	N4LB Observatory			Tennessee	A private observatory.
	N5PA Observatory			Mississippi	Private observatory of a member of the Rainwater Astronomical Association. In Jones County.
	NAA Observatory			Illinois	An observatory of the Naperville Astronomical Association. Near Naperville.
	NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
	NF/ Observatory			New Mexico	NFO is near Silver City.
	NFCC Observatory			Florida	An observatory of the North Florida Community College also affiliated with the Tallahassee Astronomical Society
	NPMAS Parmentier Observatory			Wisconsin	A private observatory which is also an observing site of the Neville Public Museum Astronomical Society (NPMAS).
	Nanjemoy Creek Observatory			Maryland	An observatory of the Southern Maryland Astronomical Society.
	Nantucket Island			Massachusetts	Home of the Loines Observatory and Vestal Street observatory of the Maria Mitchell Association. Forecast covers the whole of Nantucket Island.
	Nebula Knoll Observatory			New Hampshire	A private observatory.
	Nederland Observatory			Colorado
	Nelsons Bay Observatory			Ontario	A private observatory on Deer Lake near South River.
	Netarts Observatory			Oregon	A private observatory near Netarts.
	Neuenschwander Observatory			Michigan	A private observatory.
	New Astronomy Observatory			Washington	A private observatory near Duvall.
	New Hamburg Observatory			Ontario	A private observatory.
	New Mexico Skies			New Mexico	An astronomy guest observatory between Cloudcroft and Mayhill. Also home of Star Shadows Remote Observatory. Forecast also covers New Mexico Skies Astronomy Enclave
	New Moon Telescopes Observatory			Virginia	A commercial telescope maker's observatory.
	Newbrook Observatory			Alberta	Historic observatory being restored \t by the Newbrook Historical Society.
	Newcastle Observatory			Ontario	A private observatory in Newcastle.
	Newfound Lake			New Hampshire	A private observatory site near Hebron.
	Newton/Godin Observatory			British Columbia	Observatory at Lester B. Pearson College of the Pacific. Also used by members of the RASC Victoria Centre.
	Niagara			Ontario	Also known as Niagara-on-the-Lake. Home of the RASC Niagara Centre.
	Niagara Centre Observatory			Ontario	An observatory of the RASC Niagara Centre. Located at the Chippawa Creek Conservation Area.
	Nicholas E. Wagman Observatory			Pennsylvania	Near Deer Lakes Park, Russellton. Observatory of the Amateur Astronomers Association of Pittsburgh
	Nick Drew Observatory			Illinois	A private observatory near Hamel.
	Nick's Observatory			Mississippi	A private observatory somewhere around Jackson.
	Night Skies Network Observatory			North Carolina	A private observatory. Home observatory of the Night Skies Network.
	Nightfall Observatory			Alabama
	Nine Mile Hill Observatory			Texas	A private observatory also used by the Williamson County Astronomy Club.
	Nininger Bluffs Observatory			Minnesota	A private observatory.
	Nocturne Observatory			Utah	A private observatory.
	North Ashburnham Observatory			Massachusetts	A private observatory in Ashburnham.
	North Georgia Astronomical Observatory			Georgia	The NGAO is an observatory of University of North Georgia. Also used by the North Georgia Astronomers. Near Dahlonega.
	North Point Observatory			California	A private observatory.
	North Wind Observatory			Michigan	A private observatory.
	Northdog Observatory			Alberta	A private observatory near Grand Prarie.
	Northern Cross Observatory			Michigan	An observatory near Fenton.
	Northern Prairie Star Party			Alberta	A starparty held at Black Nugget Lake Park. Home of RASC Edmonton's Black Nugget Lake Observatory.
	Northern Skies Observatory			Vermont	Observatory of the Northeast Kingdom Astronomy Foundation. In Peacham.
	Northhills Observatory			Michigan	A private observatory near Thompsonville.
	Northstar Observatory			Idaho	A private observatory near Post Falls.
	Northwood Ridge Observatory			New Hampshire	Observatory near Northwood.
	Notre Dame Regional High School Observatory			Missouri	Observatory of NDRHS in Cape Girardeau.
	NovaLab Observatory			North Carolina	A private observatory near Salisbury,NC.
	Nutter Observatory			Pennsylvania	A private observaory.
	Nylund Forest Observatory			Minnesota	Near Kego Lake, 40 miles North of Brainerd.
	OCA Anza Observatory			California	Observatory of the Orange County Astronomers near Anza.
	OKAstronomy Observatory			Oklahoma	A private observatory near Tahlequah.
	ONU Observatory			Ohio	Observatory or Ohio Northern University.
	Oak Beach Observatory			Michigan	A private observatory.
	Oak Hills Observatory			California	A private observatory in Hesperia.
	Oak Lake Observatory			Ontario	A private observatory.
	Oak Ridge Observatory			Massachusetts	Observatory of the \tHarvard-Smithsonian Center.
	Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
	Oak Tree Observatory			Texas	Private Observatory at Colony Cellars Winery.
	Oakland/Lyons Observatory			Nebraska	A private observatory near Oakland and Lyons.
	Oakley Observatory			Indiana	Observatory of the Rose-Hulman Institute of Technology. Near Terre Haute
	Oberlin			Ohio	Home of the Oberlin College Observatory and Oberlin Astronomy Club.
	Observa-Torrey			Utah	A private observatory near Capitol Reef park and the town of Torrey.
	Observaterry			New Mexico	Terry's private observatory. In Truth or Consequences.
	Observatoire "Hawaii mini" du star pit			Quebec	Site de qualit\xe9 sup\xe9rieure pour la photo et le visuel. SQM occasionnel jusqu\'\xe0 21.70
	Observatoire Alphonse-Tardif \xe0 St-N\xe9r\xe9e			Quebec	Pr\xe8s de St-N\xe9r\xe9e.
	Observatoire Aster			Quebec	Aster, la station scientifique du Bas Saint-Laurent, est un observatoire publique doubl\xe9 d'un centre d'interpr\xe9tation. En Saint-Louis-du-Ha!-Ha!
	Observatoire Astronomique Jean-Marc-Richard			Quebec	Observatorie de le Club des Astronomes Amateurs de Laval
	Observatoire Bennett			Quebec	Un observatoire priv\xe9
	Observatoire Huntingdon			Quebec
	Observatoire Iris			Quebec	Une observatoire priv\xe9 de Hugues Lacombe . Pr\xe8s de Baie-Saint-Paul.
	Observatoire Isis			Quebec	Pr\xe8s de Val des Monts.
	Observatoire Laforge-1			Quebec
	Observatoire Le Valhalla			Quebec	Un observatoire \xe0 Sainte Justine de Newton.
	Observatoire Les Trois \xc9tangs - La Patrie			Quebec	Un observatoire priv\xe9.
	Observatoire Magenta			Quebec	Un observatoire priv\xe9. Pr\xe8s de Farnham.
	Observatoire Maucar de La Motte			Quebec
	Observatoire Monty-Guilmette			Quebec	Une observatoire priv\xe9.
	Observatoire North Point			Quebec	Un observatoire priv\xe9 pr\xe8s de Rawdon
	Observatoire POLARIS			Quebec	Pr\xe8s de Mandeville
	Observatoire Plourde			Quebec
	Observatoire Saint-Raymond			Quebec	Observatoire du Club d'Astronomie St-Raymond.
	Observatoire Saint-Sixte			Quebec	Une observatoire priv\xe9.
	Observatoire St Marc des Carri\xe8res			Quebec	Observatoire Priv\xe9 pre de St Marc des Carri\xe8res.
	Observatoire St-gabriel Lalemant			Quebec	Un observatoire priv\xe9.
	Observatoire Vandal			Quebec	Observatoire situ\xe9 \xe0 Sainte-C\xe9cile de Milton.
	Observatoire \xc9bouliborg			Quebec	Une observatoire priv\xe9.
	Observatoire astronomique de Ch\xe2teauguay			Quebec	Observatoire priv\xe9 de Doris Thibeault.
	Observatoire astronomique de Charlevoix			Quebec	Restaurant et observatoire astronomique.
	Observatoire astronomique du bois de Belle-Rivi\xe8re			Quebec	Site d'observation du Club d'astronomie Bois de Belle-Rivi\xe8re-Mirabel
	Observatoire d'Astronomie Berrada			Quebec	Un observatoire priv\xe9. Pr\xe8s de Val-des-Lacs
	Observatoire de Daniel Brousseau de Sherbrooke			Quebec	Une observatoire priv\xe9.
	Observatoire de Gatineau			Quebec	L'horloge climatique de Observatoire de Gatineau (the home of The Gatineau Observatory.)
	Observatoire de L'Avenir			Quebec
	Observatoire de La S\xe9r\xe9nit\xe9			Quebec	Un observatoire priv\xe9.
	Observatoire de La Sitelle			Quebec
	Observatoire de Labelle Etoile			Quebec	Une observatoire priv\xe9. Pr\xe8s de Labelle.
	Observatoire de Lac Creux			Quebec	Pr\xe8s de Chute-St-Philippe.
	Observatoire de Leclercville			Quebec	Une observatoire priv\xe9.
	Observatoire de Mirabilis			Quebec	Un observatoire pr\xe8s du Mont Tremblant.
	Observatoire de Saint-Camille			Quebec	Un observatoire amateur \xe0 Saint-Camille.
	Observatoire de Sainte-Sophie			Quebec	Un observatoire priv\xe9. Lien.
	Observatoire de St-Felicien			Quebec
	Observatoire de Ste-Christine			Quebec	Pr\xe8s de Ste-Christine.
	Observatoire de Val-Des-Bois			Quebec
	Observatoire de Walter Laperle			Quebec
	Observatoire de l'Agence Spatiale Canadienne			Quebec	Observatoire du ASC - CSA \xe0 Saint-Hubert.
	Observatoire de l'Aigle			Quebec	Observatoire priv\xe9 de Guy Campeau, astronome amateur de la r\xe9gion.
	Observatoire de la D\xe9couverte de Val-B\xe9lair			Quebec	Observatoire du Club d'astronomie Io de Val-B\xe9lair.
	Observatoire de la Montagne Coup\xe9e			Quebec	Observatoire de Les Vagabonds du ciel de Lanaudi\xe8re Inc. et la Auberge de la Montagne Coupee. En Lanaudi\xe8re.
	Observatoire de la Pourvoirie St-Z\xe9non			Quebec	Observatoire astronomique public de la r\xe9gion de Lanaudi\xe8re.
	Observatoire du CEGEP de L\xe9vis-Lauzon			Quebec	Observatoire du CEGEP en L\xe9vis.
	Observatoire du C\xe9gep de Trois-Rivi\xe8res \xe0 Champlain			Quebec	Observatoire pr\xe8s de Champlain.
	Observatoire du Cap Martin			Quebec	Une observatoire priv\xe9.
	Observatoire du Geai Bleu			Quebec	Observatoire priv\xe9.
	Observatoire du Lac Rouge			Quebec	Observatoire \xe0 Saint-Alphonse-Rodriguez.
	Observatoire du Mont-Cosmos			Quebec
	Observatoires de Cantley			Quebec
	Observatoires du Mont Megantic			Quebec	Observatory located in the Mont Megantic Dark-Sky Preserve.
	Observatoires du Mont Notre Dame			Quebec	Quatre observatoires au sommet du Mont Notre-Dame.
	Observatorio De Solitario			Texas	A private observatory.
	Observatory Park			Ohio	Park of the Geauga Park District . Site of astronomical, geological and meteorlogical observatories. Affiliated with the Chagrin Valley Astronomical Society. In Montville township.
	Observatory Point			Washington	A point near Striped Peak and Freshwater Bay, on the Strait of Juan De Fuca.
	Observatory of The Dalles			Oregon	A private observatory near The Dalles.
	Observatory on the Ridge			Ontario	A private observatory near Ridgeway.
	Occidental Observatory			California	Near Occidental.
	Ocean View Sky Shed			Virginia	A private observatory.
	Ohatchee's Observatory			Alabama	A private observatory near Daphne.
	Oil Capital Observatory			Oklahoma
	Okanagan Observatory			British Columbia	Public observatory of the RASC Oakangan Centre
	Oklahoma Christian University Observatory			Oklahoma	Observatory of Oklahoma Christian Univeristy.
	Old Broadwell Mill Observatory			Alabama	A private observatory near Jacksonville.
	Old Fields Observatory			North Carolina	A private observatory.
	Old Fort Lewis Observatory			Colorado	Fort Lewis College Observatory located at the site of the Old Fort Lewis.
	Old Hastings Observatory			Ontario	A private observatory.
	Old Oak Observatory			Pennsylvania	A private observatory in Pottsgrove.
	Old Town Observatory			Virginia	A private observatory of a member of the Northern Virginia Astronomy Club.
	Oleo Acres Double Barrel Observatory			Oklahoma	A private observatory. Used by some members of the Astronomy Club of Tulsa. Near Antlers.
	Olin Observatory			Minnesota	Observatory of Gustavus Adolphus College in St. Peter.
	Olin Observatory			Connecticut	Observatory of Connecticut College.
	Olmzog Observatory			Vermont	A private observatory near Marlboro.
	Onekama-DS-Observatory			Michigan	A private observatory near Onekama.
	Ophelia Observatory			Virginia	A private observatory
	Orbit Jet Observatory			New York	An observatory near Colden.
	Orchard Hill Observatory			Vermont	A private observatory near South Alburg.
	Ore Lake Observatory			Michigan	A private observatory near Ore Lake.
	Orion Observatory			Quebec	A private observatory.
	Orion Ranch Observatory			Texas	A private observatory somewhere around Bertram.
	Oronoko Observatory			Michigan	Near Berrien Springs.
	Orson Pratt Observatory			Utah	Observatory of Brigham Young University, staffed by the BYU Astronomical Society . Near Provo.
	Oscarness Observatory			Minnesota	A private observatory in Shakopee.
	Osservatorio Aucello			Kansas	A private observatory.
	Ossian Observatory			New York	A private ovservatory in Ossian.
	Otter Creek Observatory			Kentucky	Observatory of Otter Creek Park and Jefferson Community College. Near Brandenburg.
	Outback Observatory			Wisconsin	A private observatory.
	Over The Hill Observatory			Virginia	A private observatory near Flint Hill.
	Overstreet Observatory			South Carolina	A private observatory of a member of the Roper Mountain Astronomers. Near Spartanburg.
	Owasso Observatory			Oklahoma	A private observatory.
	Owens Observatory			Georgia	A private observatory in Alpharetta.
	Owl Creek Observatory			Oklahoma	A private observatory.
	Oxbow Trail Observatory			Wisconsin	A private observatory near Princeton.
	Oxford			Mississippi	Home of Kennon Observatory of the University of Mississippi.
	Oxford Observatory			Ontario	A private observatory near Oxford Mills.
	PAC Observatory			Nebraska	A private observatory of the Prairie Astronomy Club.
	PFO Observatory			New Brunswick	A private observatory in Saint John, of a member of the Saint John Astronomy Club.
	PICO			Illinois	A private observatory near Pana.
	PNRO			Washington	The Pacific Northwest Regional Observatory. A private observatory run by The Alliance for the Advancement of Science Through Astronomy (AASTA).
	PS-191 Observatory			Georgia	A private observatory.
	PSU-Greenbush Astrophysical Observatory			Kansas	Observatory of the Southeast Kansas Education Service Center - Greenbush.
	Paducah Skies/Star Ranch Observatories			Texas	Two private observatories Southwest of Paducah.
	Pageant Avenue Observatory			California	A private observatory.
	Pahrump Valley Observatory			Nevada	A private observatory near Pahrump.
	Palisades-Dows Observatory			Iowa	An observatory of the Cedar Amateur Astronomers. Between Cedar Rapids and Iowa City.
	Palomar East			Pennsylvania	A private observatory somewhere around Warrington.
	Palomar Observatory			California	Observatory, with outreach center of Caltech. Home of the 200 inch Hale Telescope
	Pandora Astronomical Observatory			Quebec	A private observatory.
	Park Place Observatory			Pennsylvania	A private observatory.
	Paslow Observatory			Pennsylvania	A private observatory near Bethel Park.
	Passion Works Observatory			Oklahoma	A private observatory. But open to the public by appointment. Call 405 496 6776. Near Prague, OK.
	Pastor's Observatory			Texas	A private observatory.
	Patina Gardens Observatory			Arizona	A private observatory somewhere around Apache Junction.
	Paul P. Feder Observatory			Minnesota	Observatory of Minnesota State University. Near Moorhead.
	Pauma Valley			California	Site of The Kathryn Hood Observatory.
	Pawcatuck River Observatory			Rhode Island	A private observatory in Westerly.
	Payne's Starfield Observatory			Ohio	A private observatory in Fredericktown.
	Peach Mountain Observatory			Michigan	Observatory of the University Lowbrow Astronomers. Near Dexter.
	Pebble Hill Observatory			Wisconsin	A private observatory near Hayward.
	Pedro-Observatory			Quebec
	Peek Observatory			North Carolina	A private observatory somewhere in the Blue Ridge Mountains.
	Pegasus Observatory			North Carolina	A private observatory.
	Pelican Lake Observatory			Minnesota	A private observatory.
	Penantly Creek Observatory			Mississippi	A private observatory in Jasper County.
	Pennyrile Forest Observing Field			Kentucky	An observing site of the West Kentucky Amateur Astronomers in Pennyrile Forest State Resort. Also close to Halfmoon Observatory.
	Penticton			British Columbia	Home of some members of the RASC Okanagan Centre. Forecast also covers the Dominion Radio Astrophysical Observatory , Pen-Henge at Munson Mountain park and the Solar Timepiece (annalemic sundial) on the beach of Skaha Lake Park.
	Peoria			Illinois	Home of the Peoria Astronomical Society and the NorthMoor Observatory.
	Peppermill Observatory			North Carolina	A private observatory near Rock Hill.
	Peppermill Skies Observatory			New York	A private observatory on Long Island.
	Peralta Skies Observatory			Arizona	A private observatory in Gold Canyon.
	Perkin Observatory			New Hampshire	Observatory of Dublin School.
	Perkins Observatory			Ohio	Observatory of Ohio Wesleyan University .
	Perras Observatory			Connecticut	A private observatory in Southington.
	Perry Observatory			New York	A private observatory in Manorville, NY.
	Perrysburg Observatory			Ohio	A private observatory in Perrysburg.
	Persephone Observatory			Pennsylvania	A private observatory near Three Springs.
	Peters Observatory			New York	Observatory of Hamilton College. In Clinton.
	Petit Jean State Park			Arkansas	State Park used by the Arkansas Sky Observatory (ASO).
	Pettis Rd Observatory			Pennsylvania	A private observatory.
	Phil's Observatory at Sanctuary			Florida	A private observatory.
	Phillips Observatory			Idaho	A private observatory near Inkom.
	Photon's End Observatory			Ontario	A private observatory in Orleans. Ni!
	Pickersville Observatory			North Carolina	A private observatory near Mingo.
	Picketwire Observatory			Colorado	A private observatory nea The Spanish Peaks.
	Pictor Observatory			Ontario	A private observatory near Ingersoll.
	Pigeon Lake Observatory			Wisconsin	A private observatory.
	Pilot's Cross Observatory			Minnesota	A private observatory in Andover.
	Pine Bluff Observatory			Wisconsin	Local research observatory of the University of Wisconsin-Madison. 15 miles from Madison.
	Pine Cone Observatory			New Jersey	A private observatory somehere around Pine Barrens.
	Pine Flat Observatory			California	A private observatory near California Hot Springs.
	Pine Mountain Observatory			Oregon	An Observatory of the University of Oregon. Site also used by the Friends of Pine Mountain Observatory.
	Pine River Observatory			Ontario	A private observatory.
	Pineland Observatory			Florida	A private observatory on Pine island.
	Pinetop Observatory			Virginia	A private observatory near Mount Sidney.
	Pinhead Observatory			California	A private observatory in Acton.
	Pinon Ridge Observatory			Colorado	A private observatory.
	Pinon Wood Ranch Observatory			Colorado	A private observatory of a member of the Norwood Dark Sky Advocates (NDSA).
	Pisgah Astronomical Research Institute			North Carolina	Radio and optical observatory site of the PARI public foundation. In the Pisgah National Forest near Rosman.
	Pittsburgh			Pennsylvania	Home of the Amateur Astronomers Association of Pittsburgh and the Allegheny Observatory of the University of Pittsburgh.
	Pleasant Grove Observatory			Georgia	A private observatory somewhere around Royston.
	Pleasant Hill Starlight Observatory			Tennessee	Near Lynchburg.
	Pleiades Observatory			Missouri	A private observatory in Canton.
	Pleiades Observatory West			Colorado	A private observatory
	Plettstone			California	Home of the Dale Jay Steed Observatory, a private observatory. A site used by members of TAC and the SJAA. Near Mariposa.
	Plouffe Observatory			Quebec	A private observatory.
	Plymouth Digital Observatory			Michigan	A private observatory in Plymouth.
	Poinsettia Observatory			California	A private observatory in Poway.
	Pointed Rock Observatory			Arizona	A private observatory.
	Ponca City			Oklahoma	Home of Rach\xe9lle's Lookout, a private observatory and the Ponca City Astronomy Connection
	Pont Rouge Observatory			Quebec	Public. Associated with Astro Pont-Rouge.
	Ponte di Legno Observatory			Ontario	A private observatory somewhere around Ferndale.
	Pool Observatory			Colorado	A private observatory near Delta.
	Poole's Resort Observatory			Ontario	Site of future private observatory. Named after Pool's Resort Road. Near Mallorytown.
	Pooler Skies Observatory			Oregon	A private observatory.
	Port Mouton Observatory			Nova Scotia	A private observatory near Port Mouton.
	Port Perry Astronomical Observatory			Ontario	link
	Port-Aux-Quilles Astronomical Observatory			Quebec
	Possum Poop Hollow Observatory			West Virginia	A private observatory near West Union.
	Post Observatory			Maine	A private observatory near Trenton.
	Potomac Astrometric Observatory			Maryland	A observatory for personal GRB and cataclysmic variable research
	Poudre Canyon Observatory			Colorado	A private observatory.
	Poulsbo Deep Space Observatory			Washington	A private obesrvatory somewhere around Poulsbo.
	Poverty Beach Observatory			Prince Edward Island	A private observatory.
	Powell Observatory			Kansas	An observatory of the Astronomical Society of Kansas City. Near Louisburg.
	Powerhouse Observatory			Wisconsin	A private observatory near Dallas, WI.
	Prairie Grass Observatory			Indiana	An observatory located in Camp Cullom near Mullberry. Also home of the Indiana Family Star Party.
	Primland Observatory			Virginia	A public observatory in Meadows of Dan.
	Prince George Centre Observatory			British Columbia	Observatory of the RASC Prince George Centre.
	Princeton Observatory			North Carolina	A private observatory near Princeton.
	Princeton University			New Jersey	Home of the Peyton Hall and FitzRandolph Observatories
	Principia College Astronomical Observatory			Illinois	Observatory of Principia College. In Elsah.
	Puckett Observatory			Georgia	Observatory near Ellijay. Home of the Puckett Observatory Supernova Search
	Pulpit Rock Astronomical Park			Pennsylvania	A campus of several observatories of the Lehigh Valley Amateur Astronomical Society between Lenhartsville and Hamburg.
	Pulvis Stellarum Observatory			Rhode Island	A private observatory in Buttonwoods, Warwick.
	Purdue University			Indiana	University in West Lafayette. Home of the Cumberland Observatory.
	Pushapatapa Creek Observatory			Mississippi	A private observatory near Sandy Hook.
	Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
	Putman Mountain Observatory			Texas	A private observatory.
	Putney Observatory			Vermont	A private observatory of The Putney School. Near Putney.
	Quail Creek Observatory			Texas	An observatory near Southlake.
	Quail Run Observatory			Arizona	A private observatory site near Casa Grande.
	Quarry Road Observatory			Vermont	A private observatory.
	Quetican Observatory			Ontario	Near Lion's Head.
	Quiet Pond Observatory			Maryland	A private observatory of a member of the Amateur Astronomers Association of Princeton.
	Quiet Skies Observatory			Virginia	A private observatory of a member of the Northern Virginia Astronomy Club.
	R2 Observatory			Ontario	Private observing site of the Phd Astro group.
	RASC Sunshine Coast Observatory			British Columbia	Observatory of the RASC Sunshine Coast Centre.
	RCH Observatory			Texas	A private observatory of a member of the North Houston Astronomy Club (NHAC).
	RISS Observatory			Arizona	A private observatory in Huachuca Mountain Village with a weather station.
	RJM Observatory			Wisconsin	A private observatory near Spencer.
	ROBOsky.com Wild Flower Ridge Observatory			Ontario	An internet-accessible robotic-observatory farm, by ROBOsky.com, located in the Hockley Highlands near Orangeville.
	ROVOR			Utah	Remote Observatory for Variable Object Research. A private observatory of Brigham Young University (BYU). Located near Delta, UT.
	Rabbit Hole Observatory			Tennessee	A private observatory.
	RabbitEye Observatory			Georgia	A private observatory near Ludowici.
	Rachel A. Hutzel Observatory			Ohio	Observatory at Camp Joy. In partnership with the Warren County Astronomical Society.
	Rachel's Observatory			New Brunswick	A site of Astro Club Borealis.
	Radomski Observatory			Pennsylvania	A private observatory near Jeannette.
	Rafes Urban Astronomy Center			Texas	Observatory of the University of North Texas. In Denton
	Rafter M Ranch Observatory			Texas	A ranch used for novice star parties as is associated with the Houston Astronomical Society. Near Hockley.
	Ragland Observatory			Virginia	An observatory of the Richmond Astronomical Society.
	Rainbow Lakes Observatory			Florida	A private observatory in Marion County.
	Rainbow Park Observatory			New Mexico	Observatory and Planetarium which is a joint venture of the city of Rio Rancho and the Rio Rancho Astronomical Society (RRAS). Located in Rainbow Park.
	Rainbow Springs Observatory			Florida	A private observatory near Dunnellon.
	Rainwater Observatory			Mississippi	Observatory of the French Camp Academy. Also the home of the Mid-South Star Gaze star party. Near French Camp.
	Ramona Observatory			California	A private observatory near Ramona.
	Ramsey Observatory			Minnesota	A private observatory in Ramsey.
	Ramsey Observatory			Ohio	A private observatory.
	Ranchita Canyon Observatory			California	A private observatory Monterey County.
	Rancho Del Sol Observatory			California	A private observatory near Camino.
	Rancho Mirage Library and Observatory			California	AKA The City of Rancho Mirage Public Library and Observatory.
	Rancho del Rio Observatory			California	A private observatory
	Rand Observatory II			New York	MPC W71. A private observatory in Lake Placid.
	Rankin Science Observatory			North Carolina	Observatory of Appalachian State University. Near Boone.
	Rattle Snake Observatory			Missouri	A private observatory somewhere around Smithton.
	Raven Sky Observatory			New Mexico	A private observatory.
	Rayville Observatory			Louisiana	A private observatory near Rayville.
	Red Barn Observatory			Georgia	A private observatory near Ty Ty. AKA MPC/IAU H68.
	Red Buttes Observatory			Wyoming	An observatory of the University of Wyoming. Nine miles south of Laramie.
	Red Door Observatory			North Carolina	A private observatory.
	Red Hill Observatory			Idaho	A private observatory near Minidoka.
	Red Mountain Observatory			Utah	A private observatory.
	Red River Observatory			Texas	A private observatory.
	Red n Blue Observatory			Indiana	A private observatory near Otwell.
	RedShift Observatory			Michigan	A private observatory of a member of the Grand Traverse Astronomical Society.
	Redding Observatory			Florida	A private observatory .
	Redman Observatory			California	A private observatory.
	Redwood Loop Observatory			Oregon	A private observatory in Florence
	Refractor Heaven			Ohio	A private observatory near Genoa.
	Regina Caelorum Observatory			Texas	A private observatory and home to the Messier Marathon for the Brazos Valley Astronomy Club.
	Rehoboth			New Mexico	Home of the Calvin-Rehoboth Observatory.
	Renaissance Observatory			Kentucky	A private observatory near Owensboro.
	Revall's Coyote Creek Observatory			Michigan	A private observatory.
	Rich Neck Observatory			Maryland	A private observatory.
	Richard S. Perkin Observatory			New York	A private observatory of Hobart and William Smith Colleges.
	Richard Schueller Observatory			Massachusetts	Observatory of UMass Lowell. Home of the UML Astronomy Club.
	Richfield Observatory			Wisconsin	A private observatory near Menomonee Falls.
	Rideau Ferry Observatory			Ontario	A private observatory near Rideau Ferry.
	Rimrock Observatory			Idaho	A private observatory.
	Rio Riley Solar Observatory			Ohio	A private observatory
	Rio Verde Observatory			Arizona	A private observatory somewhere around Rio Verde.
	Ritchie Observatory			Washington	An observatory of the Battle Point Astronomical Association. On Bainbridge Island.
	Ritter Observatory			Ohio	Observatory (RARC) of the University of Toledo. Also known as Brooks Observatory. In Toledo.
	River House Observatory			Virginia	Near Burgess.
	River Moss Observatory			Missouri	A private observatory near Saint Peters.
	River Mountain Observatory			Texas	A private observatory.
	River Ridge Observatory			Arkansas	A private observatory affiliated with the Central Arkansas Astronomical Society.
	Roadrunner Observatory			Arizona	A private observatory.
	Robastro Home Observatory			Texas	A private observatory near Terrell.
	Robert A. Schommer Observatory			New Jersey	Observatory of Rutgers University. In town of New Brunswick.
	Robert Brownlee Observatory			California	An observatory of the Mountain Skies Astronomical Society. At MSAS Astronomy Village near Lake Arrowhead.
	Robert Clyde Observatory			Florida	A private observatory in Sebring.
	Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
	Robert Reeves Observatory			Texas	A private observatory near Vanderpool.
	Robert and Elisabeth Moore Observatory			Washington	Aka REMO. Observatory at Columbia Basin College.
	Robinson Lunar Observatory			Kansas	A private observatory near Bonner Springs.
	Robinson Observatory			Florida	Observatory of University of Central Florida in Orlando. Also used by the Central Florida Astronomical Society.
	Rochester			New York	Home of the RIT Observatory, the R.I.T. Astronomy Club and the The Astronomy Section of the Rochester Academy of Science (ASRAS).
	Rock Hill Observatory			California	A private observatory in Grass Valley.
	Rock Mountain Observatory			California	A private observatory near Fallbrook.
	Rock Springs Observatory			California	A private observatory.
	Rock Star Observatory			Texas	A private observatory near Crandall.
	Rockbottom Observatory			Massachusetts	A private observatory operated by the Skylight Astronomical Society.Near Stow.
	Rockridge Observatory			Minnesota	A private observatory near New Prague.
	Rocky Mountain Sky Observatory			Colorado	A private observatory somewhere around Miliken.
	Roger Twitchell Observatory			Maine	A community and school observatory located at Roberts Farm Preserve, in Norway, Maine.
	Rogers' Astrophysics Observatory			Georgia	On the Georgia shore of Hartwell Lake.
	Rogue River Observatory			Oregon	A private observatory in Gold Beach.
	Rolling Hills Observatory			Florida	A private observatory near Clermont.
	Rolling Roof Observatory			California	A private observatory near Thousand Oaks.
	Romulus Observatory			Tennessee	A private observatory.
	Ross Creek Observatory			California	A private observatory in San Jose.
	Rothney Astrophysical Observatory			Alberta	Observatory of the University of Calgary. Near Priddis.
	Rough Acre Observatory			New Hampshire	A private observatory.
	Rowan Astronomical Observatory			New Jersey	Observatory of Rowan University in Glassboro.
	Royer Oaks Observatory			California	An observatory with public star parties.
	Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
	Ruby Crest Observatory			Nevada	A private observatory.
	Rue de Renard Observatory			Kentucky	A private observatory near Greenvile.
	Ruhenstroth Observatory			Nevada	A private observatory somewhere around Gardnerville.
	Rural Logan County Observatory			North Dakota	A private observatory.
	Rustic Lake Observatory			Ohio	A private observatory near Ashland.
	Rustic Valley Observator			California	A private observatory.
	Rutenbeck Observatory			Iowa	Just west of Clinton.
	Ryan Observatory			Pennsylvania	At Muddy Run. Observatory operated by the Rittenhouse Astronomical Society in coordination with the Astronomy Enthusiasts of Lancaster County. In Muddy Run Park.
	S&Y Observatory			Texas	A private observator of a member of the Brazos Valley Astronomy Club (BVAC).
	S. Parrett Mtn Observatory			Oregon	A private observatory.
	SCSU Observatory			Minnesota	Observatory of St. Cloud State University.
	SETEC Observatory			Kansas	A private observatory northwest of Wichita.
	SFA Observatory			Texas	Observatory of Stephen F. Austin State University. Near Nacogdoches.
	SGPalisadeCO Observatory			Colorado	A private observatory near Palisade.
	SIX A RANCH OBSERVATORY			Indiana	A private obseratory.
	SLL Observatory			Oklahoma	An educational Observatory with public programs. Of the University of Central Oklahoma and Northwestern Oklahoma State University (NWOSU).
	SOLO Observatory			Wisconsin	A private observatory near Port Wing.
	SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
	SRAF			Idaho	Stellar Radiation Acquisition Facility is a private observatory in Emmett, ID.
	SSC Observatory			Kansas	A private observatory.
	STACEE			New Mexico	The Solar Tower Atmospheric Cherenkov Effect Experiment (STACEE) is a an air-shower gamma ray observatory. Located at the National Solar Thermal Test Facility (NSTTF) of Sandia National Laboratories
	STAR			Florida	A private observatory, AKA Seffner Telescope Astronomy Research. In Seffner.
	Sabino Canyon Observatory			Arizona	Link.
	Saddleback Observatory			California	A private observatory.
	Sagebrush Skies Observatory			Washington	A private observatory in Eltoia.
	Saguaro Cliffs Observatory Site			Arizona	Future site of a private observatory.
	Saint John's University Observatory			Minnesota	Observatory of Saint John's University in Collegeville.
	Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
	Saint Paul			Minnesota	Home of the Minnesota Astronomical Society. Also home of the Macalester College Observatory, which hosts public observing.
	Salem-Avilla Observatory			Arkansas	A privately owned observatory in Saline County, Arkansas.
	Saleratus Ranch			Utah	A private observatory SW of the Abajo Mountains.
	Salewsky Observatory			Wisconsin	A private observatory near Big Flats
	Salt Pond Observatory			Maine	A private observatory near Blue Hill.
	Salvador Observatory			Ontario	A private observatory somewhere around Pickering.
	Sam Houston State University Observatory			Texas	Observatory of the Department of Physics at Sam Houston State. Used by members of the Huntsville Astronomy Club.
	San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
	San Ignacio Observatory			New Mexico	A private observatory.
	San Isabel Observatory			Colorado	A private observatory.
	San Pedro Martir Observatory			Baja California	AKA Observatorio Astron\xf3mico Nacional. Observatory of National University of Mexico. In San Pedro Martir National Park
	Sanctuary Observatory			Pennsylvania	A private observatory in Manheim.
	Sand Island Observatory			Alabama	A private observatory.
	Sandilands Observatory			Manitoba	A private observatory near Hadashville.
	Sandlot Observatory			Kansas	A private observatory(MPC code H36) near Scranton.
	Sandy Flats Observatory			Ontario	A private observatory near Roseneath.
	Sandy Point Observatory			Virginia	A private observatory.
	Santa Monica Canyon Observatory			California	A private observatory.
	Santa Monica Mountains Observatory			California	A private observatory near Los Angeles.
	Santaluz Observatory			California	Observatory in Santaluz Club.
	Saranac Lake Observatory			New York	A private observatory near Saranac Lake.
	Savala Observatory			Missouri	A private observatory somewhere around Lexington.
	Sawyer Observatory			Maine	An observatory of the Downeast Amateur Astronomers "Americas most easterly observatory" in Pembroke, Maine.
	Scenic Vista Park			Ohio	Park of the Columbiana County Park District. An observing site of the Mahoning Valley Astronomical Society.
	Schaefer Observatory			Texas	Observatory of Blinn College at Schulenburg.
	Scharff Observatory			Texas	A private observatory near Walnut Springs.
	Schoonover Observatory			Ohio	An observatory staffed by members of the Lima Astronomical Society. Near Lima.
	Schumann Observatory			Virginia	A private observatory in Middlesex County. Also used by the Virginia Peninsula Astronomy / Stargazers.
	Scopehill Observatory			Kansas	A private observatory near Fort Scott.
	Scott's Observatory			Florida	Near Palmetto.
	ScottNC Observatory			North Carolina	A private observatory.
	Scripps Ranch Observatory			California	A private observatory.
	Seagrave Memorial Observatory			Rhode Island	Near N. Scituate. Observatory of the Amateur Astronomical Society of Rhode Island
	Seaman Observatory			North Carolina	A private observatory.
	Seaway Observatory			Ontario	A private observatory in Cardinal.
	Selkovitch's Observatory			California
	Selu Observatory			Virginia	Observatory of Radford University. Near Radford.
	Seminary Hill Observatory			New Hampshire	Near West Lebanon.
	Sentinel Rock Observing Station			Arizona	A private observatory in Sentinel Rock Estates.
	Serenity Hill Observatory			Tennessee	A private observatory.
	Serenity Way Observatory			Texas	A private observatory near Denton.
	Seti DS Observatory			Louisiana	A private observatory.
	Seven Mile Ridge Observatory			North Carolina	A private observatory near Little Switzerland.
	Seven Sisters Observatory			Michigan	A private observatory near Manchester.
	Shadowlands Observatory			Arkansas	A private observatory near Charleston.
	Shady Grove Observatory			Oklahoma	A private observatory north of McAlester.
	Shaggy Mountain Observatory			Utah	A private observatory near Harriman.
	Shamrock Observatory			Texas	A private observatory.
	Shangri-La Observatory			Washington	A private observatory near Lyle.
	Shank Observatory			Virginia	A private observatory.
	Shawnigan Lake School Observatory			British Columbia	Observatory of Shawnigan Lake School in the town of Shawinigan Lake, BC.
	Shediac River Observatory			New Brunswick	A private observatory.
	Sheep Hill Observatory			New Jersey	An observatory of the Sheep Hill Astronomical Association. Near Boonton.
	Shelly Island Observatory			Pennsylvania	A private observatory near Goldsboro.
	Shepherd University Observatory			West Virginia	Observatory of Shepherd University in Shepherdstown.
	Shepherds Lair Observatory			Oregon	A private Observatory near Estacada.
	Shiloh School Observatory			Virginia	Observatory of the Shiloh School Astrophotography Club sponsored by Northumberland Preservation Inc.
	Shooting Star Observatory			Wyoming	A private observatory.
	Show-Me-Stars Observatory			Missouri	A private observatory near Alton.
	Shreveport Observatory			Louisiana	Observatory used by Shreveport-Bossier Astronomical Society.
	Sierra La Sal Observatory			Utah	A private observatory near La Sal.
	Sierra Remote Observatories			California	A group of observatories in the Sierra Nevada Mountains of California, dedicated to state-of-the-art robotic/remote imaging and data acquisition.
	Sierra Skies Observatory			California	A private observatory.
	Sierra Stars Observatory			California	A private observatory near Paynesville.
	Sierrita Mountain Observatory			Arizona	A private observatory.
	Sights Above Private Observatory			Connecticut	A private observatory near Middletown.
	Sigmund and Albert's Observatory			Texas	A private observatory of some members of the Texas Astronomical Society. Near Sachse.
	Sigoglin Hills Observatory			Kentucky	A private observatory near Paris, KY.
	Silver Bell Observatory			Florida	A private observatory.
	Silver City			New Mexico	Home of Western New Mexico University which is associated with NF/ Observatory.
	Silver Creek Observatory			North Carolina	A private observatory near Morganton.
	Silver Moonlight Observatory			Texas	A private observatory near Surfside beach.
	Singing Mountain Observatory			Colorado	A private observatory somewhere around Crawford, CO.
	Sirius Astronomical Observatory			Connecticut	A private observatory in Glastonbury.
	Sirius Observatory			Michigan	A private observatory near Almont.
	Sirius Observatory			Arizona	A private observatory.
	Sisk Observatory			Kansas	A private observatory near Franklin.
	Sisters Observatory			Oregon	A private observatory near the town of Sisters.
	SkiesAway Remote Observatories			California	A commerical observatory hosting remote telescopes.
	Skunk Ridge Observatory			Indiana	A private observatory near Vevay. Note this chart uses DST.
	Sky Bright Observatory			New Jersey	A private observatory.
	Sky Dancer Observatory			Texas	A private observatory somewhere around Sipe Springs.
	Sky Hound Observatory			Utah	A private observatory.
	Sky Mountain Observatory			Colorado	Near Rosita.
	Sky Pony Observatory			Texas	A private observatory.
	Sky Ranch Observatory			New Mexico	A private observatory in Cerrillos, NM.
	SkyPi RO and Howling Coyote RO			New Mexico	A pier-leasing remote observatory somewhere around Pie Town.
	SkyScapes Observatory			California	A private observatory in Borrego Springs.
	SkyShed Observatories			Ontario	A manufacturer of observatories
	SkyStar Observatory			California	A private observatory in San Diego Country Estates.
	SkyTitan Observatory 1			Oklahoma	SkyTitan's main observatory.
	SkyWatch Observatory			Ohio	A private obseratory near Hartsgrove.
	SkyWatcher Observatory			Oregon	A private observatory.
	Skyfall Observatory			Georgia	A private observatory near Pinehurst.
	Skyline Observatory			Alabama	A private observatory.
	Skyline Observatory			Colorado	A private observatory near Steamboat Springs.
	Skyview Observatory			Texas	An observatory of Texas Tech University. Near Shallowater. About 11 miles from Lubbock.
	Skywalker Observatory			Washington	A private observatory somewhere around Roosevelt Lake.
	Skywalker Observatory			Tennessee	A private observatory near Lawrenceburg
	Slater Creek Observatory			Colorado	Future site of private observatory. Near Florissant Fossil Beds National Monument.
	Sleaford Observatory			Saskatchewan	Observatory site of the Saskatoon RASC Centre.
	Smithsferry Observatory			Idaho	A private observatory.
	Smithsonian NASM Public Observatory			DC	AKA Smithsonian National Air and Space Museum Public Observatory. In Washington.
	Smokey Jack Observatory			Colorado	Observatory of Dark Skies, Inc. of the Wet Mountain Valley. Site of their public star parties.
	Snobie Observatory			Delaware	A private observatory in Bear, DE.
	Snow Moon Camp Observatory			North Carolina	A private observatory.
	Sola Virtus Observatory			Maryland	A private observatory somewhere around White Hall.
	Solar Hills Observatory			Colorado	A private observatory.
	Solarity Observatory			Alabama	A private observatory.
	Solebury Mountain Observatory			Pennsylvania	A private observatory on Solebury Mountain. Also near Washington Crossing State Park.
	Solis Lacus Observatory			New York	A private observatory in Binghamton.
	Sommers-Bausch Observatory			Colorado	Observatory of the University of Colorado in Boulder.
	Sonoita Observatories			Arizona	A site of private observatories near Sonoita.
	Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
	Sonoran Skies Observatory			Arizona	A private research and guest observatory. MPC G94 Near Benson.
	Sonoran Sky Observatory			Arizona	A private observatory.
	Sonrisa Observatory			California	A private observatory near Escondido.
	Sorrento Mesa Observatory			California	A private observatory.
	Sourland Mountain Observatory			New Jersey	A private site near Hopewell.
	South Bratt Observatory			Florida	A private observatory near Bratt.
	South Fork Observatory			California	A private observatory near Three Rivers.
	South Nation Space Station			Ontario	A private observatory near Jessups falls.
	South Park Observatory			Colorado	A private observatory.
	South Tamworth Observatory			New Hampshire	A private observatory of a member of the New Hampshire Astronomical Society. In South Tamworth.
	Southern Maine Astronomers Observatory			Maine	Observatory of the Southern Maine Astronomers near cumberland.
	Southerton Observatory			Pennsylvania	A private observatory near Lewisburg.
	Southington Observatory			Connecticut	A private observatory in Southington.
	Southwind Observatory			Connecticut
	Space Hut Observatory			Alberta	A private observatory somewhere around Cooking Lake.
	Space Photons Observatory			Arizona	A private observatory in Peoria.
	Spencer's Observatory			Arizona	A commercial observatory at Cat Mountain Lodge. Near Tucson.
	Spenco Observatory			Indiana	A private observatory near Mt Vernon.
	Sperry Observatory			New Jersey	An observatory of the Amateur Astronomers, Inc. on the campus of Union County College in Cranford.
	Spiral Gateway Observatory			Kansas	A private observatory in northern Coffey County.
	Spirit River Observatory			Alberta	A private observatory somewhere around Spirit River.
	Split Rock Observatory			Ontario	A private observatory near Ardoch.
	Spotted-Tail Observatory			Nebraska	A private observatory of a member of the Panhandle Astronomy Club. Near Scottsbluff.
	Spradlin Observatory			Alabama	A private observatory. (New position 2003-3-24)
	Spring Hill School Observatory			Ontario	A private observatory at the site of a former school. Near Drumbo Blandford-Blenheim.
	Spring Mountain Observatory			Pennsylvania	A private observatory.
	Spring Ridge Observatory			Washington	A private observatory.
	Springlake Observatory			South Carolina	A private observatory.
	Spruce Ridge Observatory			British Columbia	A private observatory near Cranbrook.
	Squirrel Valley Observatory			North Carolina	A private observatory.
	St George Observatory			Louisiana	Near Schiever.
	St. Croix Observatory			Nova Scotia	Observatory of the RASC Halifax Centre. Forecast also covers the nearby Nova East star party.
	St. F.X. Observatory			Nova Scotia	Observatory of the Physics Department of St. Francis Xavier University. Near Antigonish.
	Stacy's Stellar Observatory			Minnesota	A private observatory near Webb lake.
	Stake Lake Observatory			British Columbia	An observatory of the Kamloops Astronomical Society.
	Stamford Observatory			Connecticut	Observatory of the Fairfield County Astronomical Society.
	Standeford and Andreas Observatories			Minnesota	Observatories of Minnesota State University, Mankato
	Standing Stone Observatory			West Virginia	A private observatory.
	Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
	Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
	Stansbury Park Observatory Complex (SPOC)			Utah	SPOC is the Salt Lake Astronomical Society's observatory, located at the north end of Stansbury Park.
	Star Camp Observatory			California	A private observatory.
	Star Corral Observatory			Oklahoma	A private observatory.
	Star Dogged Moon Observatory			Florida	A private observatory near Keystone Heights.
	Star Hill Inn			New Mexico	A astronomy retreat and guest observatory near Sapello.
	Star Hoppers Observatory			Michigan	An observatory of Star Hoppers amateur astronomy group. Near Holly.
	Star Kyst Observatory			Colorado	A private observatory near Buena Vista.
	Star Lake Observatory			Mississippi	A private observatory somewhere around McComb.
	Star Watcher Observatory			New York	A private observatory near Long Island.
	StarEffects Observatory			Pennsylvania	A private observatory near Bernville.
	StarGlider Observatory			Pennsylvania	A private observatory in Gibsonia.
	StarHome Observatory			Minnesota	A private observatory near Stacy.
	StarHub Observatory			North Carolina	Site of observatory located near the Neuse Nature Center in Kinston.
	StarPines Observatory			Arizona	A private observatory.
	Starbrite Observatory			Florida	A private observatory in Davie.
	Starburst Meadows Observatory			Maine	A private observatory in Brunswick.
	Stardom Observatory			New Jersey	A private observatory in Mt Holly.
	Stardust Observatory			Illinois	A private observatory.
	Stardust Observatory			Pennsylvania	A private observatory near Port Matilda.
	Starfire Observatory			Texas	A private observatory near .
	Stargaizer Ridge Observatory			Colorado	A private observatory.
	Stargate 4173 at Grimaldi Tower			New York	A private observatory near Poughqaug.
	Stargate Colorado Observatory			Colorado	a private observatory near Trinidad, CO.
	Stargate Observatory			New Mexico	A private observatory near Paxton springs.
	Stargate Observatory			Michigan	Observatory of The Warren Astronomical Society. Located at Wolcott Mill Metropark.
	Stargazer Observatory			Washington	Future site of a private observatory on Camano Island.
	Stargazer Observatory			Arizona	A private observatory.
	Stargazer's Field Observatory			Virginia	A private observatory.
	Starhoo Observatory			Massachusetts	A private observatory near Lakeville.
	Stark Bayou Observatory			Mississippi	A private observatory near Ocean Springs.
	Starlifter Observatory			Vermont	A private observatory.
	Starlight Cascade Observatory			Ontario	A private observatory near Yarker.
	Starlight Hills Observatory			Colorado	A private observatory.
	Starlight Observatory			Indiana	A private observatory near the town of Starlight.
	Starlight Observatory			Delaware	A private observatory somewhere around Glasgow.
	Starlight Observatory			Virginia	A private observatory
	Starlight Ridge Observatory			Nebraska	A private site, with public observing events, near Meadville.
	Starmere Observatory			New York	A private observatory around Hudson.
	Starry Hill Observatory			Washington	An educational observatory and planetarium under construction in South Pierce County.
	Starry Kingdom Observatory			California	A private observatory in Laytonville.
	Starry Knight Observatory			Alberta	A private observatory somewhere around Three Hills.
	Starry Night Astronomy & Observatory			Vermont	A private observatory.
	Starry Nights Ranch			Florida	A private observatory.
	Starry Zvezdachyot Observatory			Arizona	A private observatory near Casa Adobes.
	Stars Fell Observatory			Alabama	A private observatory.
	Stars at Night Observatory			Texas	A private observatory somewhere around Quinlan.
	Starshine Farm Observatory			Pennsylvania	A private observatory near Wayne.
	Starship #744 Observatory			Arizona	A private observatory.
	Stella Nova Observatory			Pennsylvania	Near Conestoga.
	Stellamar Observatory			Michigan	A private observatory in Montmorency county.
	Stellar Vista Observatory			Utah	A public observatory affiliated with the Southern Utah Space Foundation. In Kanab
	Stephen F. Wessling Observatory			Michigan	Public observatory of the Newaygo County Conservation District. Staffed and supported by the Newaygo County Dark Sky Astronomers.
	Sterner Observatory			Pennsylvania	A private observatory.
	Steve's Observatory			Mississippi
	Stickney Observatory			Vermont	Observatory of Bennington College. In Bennington.
	Stillwater			Oklahoma	Not far from Oklahoma State University's H. S. Mendenhall Observatory.
	Stillwaters Observatory			Indiana	A private observatory near Columbia City.
	Stokesville Observatory			Virginia	Of the Shenandoah Valley Stargazers
	Stone Garden Observatory			British Columbia	A private observatory near Miworth.
	Stonelick Lake State Park			Ohio	Home of public observing at Cincinnati Observatory. Pleasant Plain.
	Stoney Hill Observatory			New York	A private observatory near Clarksville.
	Stony Creek Ranch Resort Observatory			New York	Privately owned observatory of The 1000 Acres Ranch Resort. Owners are members of the Albany Area Amateur Astronomers, the Shenandoah Astronomical Society, and the Northern Virginia Astronomy Club.
	Stony Ridge Observatory			California	An observatory in the Angeles National Forest
	Stony Ridge Observatory			South Carolina	A private observatory near Prosperity.
	StonyHill Observatory			New York	A private astronomical observatory with a weather station. On Long Island.
	Strawberry Hill Observatory			Michigan	A private observatory near Taffeltown.
	Strawberry Point Observatory			Utah	An observatory near Cedar City.
	Strawbridge Observatory			Pennsylvania	Observatory of Haverford College with student-led public observing
	Strohbehn Observatory			Iowa	A private observatory in Webster City.
	Stull Observatory			New York	Observatory at Alfred University. In Alfred.
	Sturk Road Observatory			Nova Scotia	A private observatory in Morristown.
	Suburban Lights Observatory			Wisconsin	A private observatory in Marshall.
	Sudbury			Ontario	Home of the Greater Sudbury Amateur Astronomers, the Sudbury Astronomy Club, the Ken Odaisky Memorial Observatory The Doran Planetarium of Laurentian University and Science North which is host of public star parties.
	Sugar Grove Observatory			Illinois	An observatory of the Twin City Amateur Astronomers. In the Sugar Grove Nature Center.
	Sugarloaf Observatory			South Carolina	Observatory near Patrick. Used by the Midlands Astronomy club
	Sullivan Observatory			Illinois	A private observatory in Sullivan.
	Summit Crossing Observatory			Virginia	A private observatory near Spotsylvania.
	Summit Observatory			Delaware	A private observatory.
	Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
	Sun, Moon and Stars Observatory			British Columbia	A private observatory of a member of the RASC Sunshine Coast Centre. Near Roberts Creek.
	Sundance Observatory			Arizona	A private observatory.
	Sunday Creek Observatory			Ontario	A private observatory 30 Minutes west of Englehart.
	Sunflower Observatory			New Mexico
	Sunny Brook observatory			Wisconsin	A private observatory somewhere around Plum city.
	Sunny Knoll Observatory			Illinois	A private observatory in Port Byron.
	Sunny Valley Observatory			Alberta	A private observatory 15km east of the town of Northstar.
	Sunridge Observatory			Alberta	Observatory of the Medicine Hat Astronomy Club.
	Sunriver			Oregon	Home of the Sunriver Nature Center & Observatory
	Sunset Bay			Ontario	A private observatory on the SW end of White Lake, occaisonally used by some members of OAFs.
	Sunset Farm Observatory			Manitoba
	Supernova Observatory			New York	A private observatory near Floyd.
	Susquehanna University			Pennsylvania	Centered on the observatory of Susquehanna University. In Selinsgrove.
	Suwannee Skies Observatory			Florida	Near Old Town.
	Swan Lake Observatory			Georgia	A private observatory near Stockbridge.
	Sweetgum Observatory			Alabama	A private observatory.
	Sycamore Stars Observatory			Michigan	A privately owned observatory dedicated to public remote use. Near Otsego.
	Syzygy Observatory			North Carolina	A private observatory somewhere around Asheville .
	T. Spence Memorial Observatory			Georgia	A private observatory near Midville.
	T.O.M.S. Observatory			Mississippi	AKA Top of Mississippi Skies Observatory. A private observatory somewhere around Pickwick lake.
	TAMUK Observatory			Texas	Observatory of Texas A&M University - Kingsville.
	TAS-D Atoka			Oklahoma	Observing site of the Texas Astronomical Society of Dallas. Also home of the Lone Star Observatory. Somewhere around the town of Atoka.
	TASS H (Droege) Observatory			Illinois	An observatory of the Amateur Sky Survey project. Near Batavia.
	TBM Observatory			Maryland	A private observatory.
	TGCO			Pennsylvania	Thomas G. Cupillari Astronomical Observatory at Keystone College and shared with the Lackawanna Astronomical Society. Near Fleetville.
	TWASC Eggshatch Observatorium			Wisconsin	A private observatory of the Hartford Area Astronomy Club, which is part of The Wisconsin Astronomical Society Corporation.
	Table Mountain Observatory			California	Observatory at Table Mountain Facility which is operated by JPL. Near Wrightwood.
	Taigh nan Reul			Ontario	Scottish Gaelec for "House of Stars". A private observatory.
	Tainter Lake Skies Observatory			Wisconsin	A private observatory near Tainter lake.
	Talmage Observatory at Starfield			Maine	An Observatory of the Astronomical Society of Northern New England (ASNNE) . Near Kennebunk.
	Tamke-Allan Observatory			Tennessee	Observatory,near Rockwood, of Roane State Community College.
	Tanager Observatory			New Mexico	A private observatory near Albuquerque.
	Tarleton Observatory			Texas	Observatory of Tarleton State University. Near Stephenville.
	Tassi Observatory			California	A private observatory near Ramona.
	Taylor Creek Observatory			South Carolina	A private observatory.
	Taylor Oaks Observatory			South Carolina	A private observatory near Rock Hill.
	Taylor Observatory			California	A community Observatory in Kelseyville.
	Taylor University Observatory			Indiana	Observatory of Taylor University in Upland.
	Tehachapi Mountain Observatory			California	A private observatory near Tehachapi.
	Telescope Park			Maine	An observatory site of the Central Maine Astronomical Society (CMAS).
	Tellico Skies Observatory			Tennessee	A private observatory.
	Tellus Observatory			Georgia	Observatory of Tellus: Northwest Georgia Science Museum. In Cartersville.
	Ten Acre Observatory			Oklahoma	A public observatory. Also the primary observing site of the Odyssey Astronomy CLub.
	Tenafly Observatory			New Jersey	A private observatory in Tenafly.
	Tenagra Observatory			Arizona	A privately-owned professional robotic obseratory (MPC 926) of Tenagra Observatories. Inc
	Terrarouge Observatory			Prince Edward Island	In the Belle River area.
	Texas A&M University Teaching Observatory			Texas	Observatory of Texas A&M University.
	Texas Yard Canon Observatory			Wisconsin	A private observatory.
	The Astro Acre Observatory			Texas	A private observatory in Talty.
	The BD Software Observatory			Massachusetts	A private observatory in North Reading, MA.
	The Backyard Country Observatory			Missouri	A private observatory.
	The Blue Marble Observatory			Ontario	A private observatory.
	The Brower Observatory			Maine	Observatory of the Central Maine Astronomical Society.
	The Bruce M. Bedow Memorial Observatory			Pennsylvania	Observatory of the The Oil Region Astronomical Society. Also, home of Astroblast, a star party of ORAS.
	The Cherrywood Observatory			Colorado	A private observatory in Longmont.
	The Clear Nights Observatory			Georgia	A private observatory.
	The Copernicus Observatory			Utah	A private observatory.
	The D'Auria's Ocala Star Observatory			Florida	A private observatory near Ocala.
	The Dead Gekko Society Observatory			Arkansas	A private observatory near Eureka Springs.
	The Decker-Grebner-Van Zandt Observatory			Illinois	Observatory maintained by the Peoria Astronomical Society. In Jubliee College State Park.
	The Dutch Observatory			Georgia	A private observatory.
	The Friedman Observatory			Pennsylvania	Observatory of Penn State Wilkes-Barre university. In Lehman.
	The Geek Shed			Pennsylvania	A private observatory near Hartleton.
	The Glenelg Observatory			Ontario	A private observatory near Durham.
	The Grainger Observatory			New Hampshire	Observatory of Phillips Exeter Academy. In Exeter.
	The HomCav Observatory			New York	A private observatory, near Maine, NY.
	The Hughesville Sky-view Observatory			Maryland	A private observatory near Waldorf.
	The Jewett Observatory			Washington	Observatory of Washington State University. With public events cosponsored by the Palouse Astronomical Society. Near Pullman. Forecast also covers Moscow, Idaho.
	The Knob			New York	A private observatory.
	The Last Stand Observatory			Texas	A private observatory.
	The Lone Wolf Observatory			Illinois	A private observatory near Oak Lawn
	The Looking Glass Observatory			Tennessee	A private observatory in Lancing.
	The Loose Rooster Observatory			Pennsylvania	A private observatory somewhere around Scranton.
	The Mad Professor's Observatory			Colorado	A private observatory.
	The Marian and Max Farash Center for Observational Astronomy			New York	Home of the Farash Observatory and the Wolk Observatory Rochester Academy of Science. Near Ionia.
	The Meadow			Wisconsin	An observatory near River Falls and Lake Woebegon.
	The Naked Astronomer Observatory			Washington	A private observatory near Port Orchard.
	The New Freedom Observatory			Georgia	A private observatory in Perry. Observations at site indicate the lightpollution rating has degraded to a solid Bortle 6 if not a low end Bortle 7.
	The Observatory at Tangleroot Farm			New York	A private observatory of a member of the Adirondack Skywatchers and the Salem Astronomical Society.
	The Observatory on the Lake			Ontario	link
	The Peninsula Observatory			North Carolina	A private observatory.
	The Ranch Observatory			Alberta	A private observatory.
	The Rezervatory			Nebraska	A private observatory between Wahoo and Omaha.
	The Rock Bottom Observatory			Colorado	Near Allanspark.
	The Rose Dorothea Observatory			Massachusetts	A private observatory near Provincetown.
	The Section 8 Observatory			New Mexico	A private observatory.
	The Sky's The Limit Observatory and Nature Center			California	Observatory and nature center in Twentynine Palms.
	The SkyRunner Observatory			New Jersey	A private observatory in the area of Waldwick.
	The Smith Observatory			New York	Historic observatory in Geneva.
	The Star Deck Observatory			Indiana	A private observatory near Greenfield.
	The Stellar Shed			Illinois	A private observatory near Aledo.
	The Stocker AstroScience Center			Florida	Future Science Center, with observatories, of Florida International University -- Maidique Campus.
	The Top Of The Sky Mini Observatory			Ohio	A private observatory.
	The Troy Observatory			Ohio	A private observatory.
	The University of Puget Sound Observatory			Washington	Observatory of the physics department of the University of Puget Sound in Tacoma.
	The W.M. Keck Observatory at Pacific Lutheran University			Washington	Campus observatory of Pacific Lutheran University.
	The Westport Observatory			Connecticut	Observatory of the Westport Astronomical Society.
	The Winter-Hawk Memorial Observatory			Tennessee	Observatory under construction.
	TheDamObservatory-Lake Tschida			North Dakota	A private observatory with occiasonal public star parties.
	Thimble Islands Observatory			Connecticut	A private observatory near Stony Creek.
	Third Stone Observatory			Alberta	A private observatory.
	Thomas Conway Observatory			Indiana	Observatory of the Calumet Astronomical Society. Near Lowell in Lake county.
	Thomas Harriot Observatory			Virginia	An observatory of the College of William & Mary.
	Thomas Observatory			California	A private observatory.
	Thomas S. Toth Observatory			Ohio	A private observatory near Spencerville.
	Thorn Garden Observatory			Washington	A private observatory near Port Angeles.
	Three College Observatory			North Carolina	An observatory jointly operated by the University of North Carolina at Greensboro, the North Carolina A & T State University, and Guilford College. Near Snow Camp.
	Three Guys Observatory			Indiana	Near Washington.
	Three Pines Observatory			Minnesota	A private observatory in Russell.
	Three dog Observatory			Newfoundland	A private observatory.
	Thunder Bay Observatory			Ontario	Observatory about 25km from Thunder Bay.
	Tidewater Farm Observatory			New Hampshire	Observatory near Stratham
	Timber Rock Observatory			Texas	A private observatory near Stephenville.
	Timberline Observatory			Iowa	A private observatory somewhere around Winterset.
	Timerson Observatory			New York	A private observatory near Newark.
	Tinyblue Observatory			Washington	A private observatory near Greenbank on Whidbey Island.
	Tiplady Farms Observatory			New York	A private observatory.
	Tmakwa Observatory			New Hampshire	A private observatory near Twin Mountain.
	Tobey Memorial Observatory			New York	A private observatory.
	Tom's Yard			Pennsylvania	A private observatory.
	Tombstone Observatory			Arizona	A private observatory near Tombstone.
	Tombstone Sky Observatory			Arizona	A private visual-only dark-sky observatory. In the city of Tombstone.
	Top Of The World Observatory			New Mexico	A private observatory near Pie Town.
	Topeka			Kansas	"Home of the Crane Observatory of Washburn University and the Northeast Kansas Amateur Astronomers\' League.
	Toronto			Ontario	Home of the Toronto RASC, University of Toronto Atmospheric Observatory (TAO) and the Ontario Science Center.
	Tralfamadore Observatory			California	A private observatory.
	Tranquility Base Observatory			Alabama	A private observatory near Pinson.
	Tranquility Gate Observatory			Ohio	A private observatory near North Lima.
	Tranquility Observatory			Ohio	A private observatory near West Manchester.
	Transit Dreams North			New York	A private observatory.
	Transit Dreams Observatory			South Carolina	Transit Dreams Observatory
	Treadwell Observatory			Ontario
	Treesdale Observatory			Pennsylvania	A private observatory.
	Triplet Observatory			Pennsylvania	A private observatory.
	Trottier Observatory			British Columbia	Observatory of Simon Fraser University in Burnaby.
	Trout Observatory			Ohio	A private observatory in Oak Harbor.
	Troy Dark Sky Observatory			South Carolina	Near Troy and Mc Cormick.
	Troy Space Gazebo			Michigan	A private observatory used by some members of the Oakland Astronomy Club. In Troy.
	Trubble Terrestrial Telescope			Colorado	A private observatory on Coyote Rim Ranch west of Fort Collins.
	Truman State University Observatory			Missouri	Obsevator of Truman State University. Near Kirksville.
	Tucker Creek Observatory			Missouri	A private observatory of a member of the Eastern Ozark Astronomical Society.
	Tujunga Observatory			California	A private observatory in Tujunga.
	Tularcitos Observatory			California	A site used by the Mira Observers Group
	Turtle Beach Observatory			Louisiana	A private observatory.
	Turtle Rock Observatory			Virginia	A private observatory near Abingdon.
	Tusaire Observatory			Minnesota	A private observatory near Zimmerman.
	Tuscaloosa			Alabama	Home to public star nights at the University of Alabama's observatory.
	Tuva Observatory			Oklahoma	An observatory the Tuva Astronomy Club. On Mt. Feynman near Checotah.
	Twillingate Astronomical Observatory			Newfoundland	A private observatory on Twillingate Island.
	Twin Dogs Observatory			Maine	Site of future private observatory. Near Saint Froid Lake.
	Twin Lakes Observatory			Georgia	A private observatory somewhere around Cumming.
	Twin Lakes Preserve Observatory			Pennsylvania	A private observatory near Shohola.
	Twin Oaks Observatory			Tennessee	A private observatory near Soddy-Daisy.
	Twin Peeks Observatory			Virginia	A private observatory.
	Twin Sugars Observatory			West Virginia	A private observatory of a member of the Greenbrier Valley Astronomy Association. Near Friars Hill.
	TwinOaks Observatory			South Carolina	Observatory near Rock Hill.
	Two Cedar Station			Texas	A private observatory.
	Two Goats Observatory			California	A private site affiliated with the Antelope Valley Astronomy Club.
	Two Rivers Observatory			Nova Scotia	Public observatory in Two Rivers Wildlife Park. Near Huntington.
	Tzec Maun Observatory			New Mexico	A private site of the Tzec Maun Foundation which makes their telescopes freely available to students and researchers, though the internet. Near Cloudcroft.
	UBC Liquid-Mirror Observatory			British Columbia	Observatory of the University of British Columbia. In the Malcolm Knapp Research Forest.
	UBarU Observatory			Texas	Observatory of UBarU Camp & Retreat Center which is an International Dark Sky Park.
	UF Campus Teaching Observatory			Florida	An observatory of the University of Florida. In Gainesville.
	UFOWorks Observatory			Massachusetts	A private observatory in Sturbridge.
	UI Observatory			Washington	Observatory of the University of Idaho. With pubic events cosponsored by the Palouse Astronomical Society.
	UM-Dearborn Observatory			Michigan	Observatory of the Dearborn Campus of the University of Michigan.
	UMBC Observatory			Maryland	Observatory of University of Maryland, Baltimore County.
	UND Observatory			North Dakota	Observatory of the University of North Dakota. Also site of weekly star parties, held by the Northern Sky Astronomical Society.
	UNH Observatory			New Hampshire	Observatory of the University of New Hampshire. Near Durham.
	USNO			DC	The U.S. Naval Observatory.
	USNO Flagstaff Station			Arizona	A U.S. Naval Observatory also known as NOFS. Near Flagstaff.
	UTSA Observatory			Texas	Observatory of the University of Texas in San Antonio.
	UW-Whitewater Observatory			Wisconsin	Observatory of the University of Wisconsin, at Whitewater. In Whitewater.
	UWSP Observatory			Wisconsin	of the University of Wisconsin - Stevens Point.
	Union College Observatory			New York	Observatory of Union College in Schenectady.
	Union Street Observatory			Pennsylvania	A private observatory
	Univerciel			Quebec	Un observatoire priv\xe9.
	University of Colorado Alpine Observatory			Colorado	Observatory at the Mountain Research Station of the University of Colorado.
	University of Connecticut Observatory			Connecticut	Observatory of UConn. In Storrs.
	University of Georgia Observatory			Georgia	Observatory of the University of Georgia. In Athens.
	University of Maryland Observatory			Maryland	Observatory of University of Maryland Home of the National Capital Astronomers. in College Park.
	University of Missouri			Missouri	Aka Mizzou. University in Columbia. Home of Laws Observatory.
	University of Oklahoma Observatory			Oklahoma	Observatory of the Homer L. Dodge Department of Physics and Astronomy of the University of Oklahoma. Site of outreach star parties held by the Lunar Sooners astronomy club.
	UpUp Observatory			Ontario	A private observatory on Hiraeth Island, Lost Channel near Severn Falls.
	Upstate Stars Observatory			New York	A private observatory.
	Uranias' Slave Observatory			Tennessee	A private observatory near Harrison.
	Ursa Major Observatory			Oregon	A private observatory in Sisters.
	Ursae Majoris Observatory			Washington	A private observatory near Auburn
	Useppa Island Observatory			Florida	A private observatory near Bokeelia.
	Utah Desert Remote Observatories			Utah	A commercial remote observatory.
	VERITAS			Arizona	Very Energetic Radiation Imaging Telescope Array System is a gamma ray observatory.
	VSO			Ontario	AKA Very Small Obsrevatory. A private observatory near Ancaster.
	VSOR Observatory			Massachusetts	A private observatory in Waltham.
	VU Observatory			Indiana	Observatory of Valparaiso University which holds public events.
	Vallecito Observatory			New Mexico	A private observatory.
	Vallejo Observatory			California	A private observatory site close to Vallejo.
	Valley View Observatory			Pennsylvania	A private observatory near Kaseville.
	Valley Vista Observatory			New Mexico	Future observatory on a rental property.
	Van Vleck Observatory			Connecticut	Observatory of Wesleyan University, which is site of public astronomy sessions held by Astronomical Society of Greater Hartford. In Middletown.
	Vancouver			British Columbia	Home of the RASC Vancouver Centre and the Gordon Southam Observatory of the H.R. Macmillan Space Centre.
	Vanderbilt Dyer Observatory			Tennessee	Community observatory. In Brentwood, Williamson County.
	Vanderbilt Planetarium & Observatory			New York	Observatory and planetarium of Vanderbilt Museum in Centerport. Also a meeting place of the Astronomical Society of Long Island.
	Velveeta Valley Observatory			Illinois	Aka VVO, a private observatory in Pecatonica.
	Verdemont Ranch Observatory			Colorado	A private observatory near Westcliffe.
	Vermillion Cliffs Observatory			Utah	Observatory near Kanab.
	Vestavia Hills Observatory			Alabama	A private observatory on Shades Mountain in Vestavia Hills.
	Victoria			British Columbia	Home of the RASC Victoria Centre and Victoria Climenhaga Observatory.
	Viking Observatory			Illinois	A private observatory Near Galesburg.
	Villa Stellarum			Texas	A private observatory.
	Vincent Court Observatory			New Jersey
	Virgil Observatory			New York	A private observatory.
	Virgo Skyline Observatory.			Nevada	A private observatory.
	Visual Reconstructions Observatory			Michigan	A private observatory in Sterling Heights.
	Von Braun Observatory			Alabama	Observatory of the Von Braun Astronomical Society. Located in Monte Sano State Park.
	Voorhees State Park			New Jersey	Home of the New Jersey Astronomical Association and the Edwin E. Aldrin Astronomical Center including the Paul Robinson Observatory.
	W & B Observatory			New Mexico	Near Cloudcroft.
	W. Alton Jones Campus Observatory			Rhode Island	Observatory of the University of Rhode Island at the URI W. Alton Jones Campus.
	W/P Observatory			Iowa	Near Grinnell.
	WHOPPER Observatory			New Jersey	A private observatory in Washington, NJ
	WHS Observatory			Missouri	In Platte city.
	WWIN Observatory			Arkansas	A private observatory.
	WWYS Observatory			Pennsylvania	Aka Watch Where You Step Observatory. A private observatory.
	Wadsworth Observatory			Ohio	A private observatory in Wadsworth.
	Waffelow Creek Observatory			Texas	A private observatory.
	Wagner Observatory			Florida	A private observatory near Bonita Springs.
	Wahnsiedler Observatory			Indiana	Observatory of the Evansville Astronomical Society. Near Lynnville.
	Waid Observatory (Margate)			Florida	A private observatory near Margate.
	Walgrove Observatory			Maryland	A private observatory in Reisterstown.
	Walker County Observatory			Georgia	An observatory of NASA's lunar impact monitoring program.
	Walla Walla			Washington	Home of Whitman College and not far from Whitman College's Bracher Observatory.
	Walnut Hill Observatory			Nebraska
	Walnut Street Observatory			Pennsylvania	A private observatory in Berwick.
	Walter F. Barber, Jr. Memorial Observatory			Georgia	An observatory of the Atlanta Astronomy Club. In Villa Rica.
	Waltman Observatory			Mississippi	A private observatory in Madison County.
	Waning Crescent Observatory			New York	A private observatory near East Meadow.
	Waning Moon II Observatory			Louisiana	A private observatory near Pearl River.
	Warbler's Hideaway Observatory			Michigan	A private observatory near Lovells.
	Warman Observatory			Minnesota	A private observatory.
	Warren Rupp Observatory			Ohio	An observatory Near Mansfield. Home of the Hidden Hollow star party.
	Wartburg College Observatory			Iowa	An observatory of Wartburg College in Waverly.
	Warwick			Rhode Island	Home of the Margaret M. Jacoby Observatory of the Community College of Rhode Island.
	Washoe Zephyr Observatory			Nevada	A private observatory in Washoe Valley.
	Watch Observatory			Quebec	A private observatory in St-Lazare.
	Watch Observatory 2			Ontario	A private observatory.
	Waterfall Creek Observatory			Missouri	A private observatory near Bunker.
	Watership Farm Observatory			Texas	A private observatory southeast of Palestine.
	Watson Observatory			Alabama	A private observatory
	Watson Starview Observatory			Texas	A private observatory somewhere around Briggs. Used by the Williamson County Astronomy Club for star parties.
	Wayaway Observatory			Arizona	A private observatory.
	Wayne's Backyard Observatory			Florida	A private observatory of a member of the Saint Petersburg Astronomy Club. In Lake Alfred.
	Wayside Observatory			Pennsylvania	A private observatory. Chart also covers the towns of New London, Avondale, West Grove and Oxford.
	WeBeWebbiers Observatory			California	A private observatory somewhere around Temecula.
	Weather and Sky Observatory			Ontario	A private observatory near Grimbsby.
	Weathertop Observatory			New York	Near Johnsonville.
	Webb Schools Observatory			California	A observatory of The Webb Schools.
	Welsh Mt. Observatory			Virginia	A private observatory near Shipman and halfway between Charlottesville & Lynchburg.
	Wes Observatory			Georgia	A private observatory near Vidalia.
	West Chester			Pennsylvania	Home of WCU Observatory and meeting place of the Chester County Astronomical Society.
	West Columbia			South Carolina	Also covers Columbia, home of the Melton Memorial Observatory of the University of South Carolina.
	West Haven Pass Observatory			Vermont	A private observatory near West Haven.
	West Point Observatory			Wisconsin	Observatory near Monticello.
	West Point Observatory			Texas	A private observatory near West Point.
	West Point Observatory			New York	Observatory of the West Point military academy.
	West Sky Observatory			Maine	A private observatory in West Paris.
	West Valley Observatory			Pennsylvania	A private observatory. Near Fogelsville.
	WestVale Observatory			North Carolina	A private observatory near .
	Westminster College Observatory			Pennsylvania	Observatory of Westminster College. In New Wilmington
	Wetzel Observatory			Maine	Near Casco
	Weymouth Pines Observatory			Ontario	A private observatory near Middlesex Centre.
	Wharf Road Observatory			Nova Scotia	A private observatory of members of the RASC Halifax Centre and Minas Astronomy Group. Near Annapolis Royal.
	Whatt Observatory			Wisconsin	A private observatory near Ashland.
	Wheaton College Observatory			Massachusetts	Observatory, with public viewing, of Wheaton College.
	Whippoorwill Hill Observatory			Ontario	A private observatory.
	Whiskey Bay Observatory			Ontario	A private observatory.
	Whiskyjack Observatory			Quebec	A private observatory.
	Whisper Observatory			Ohio	A private observatory in Holland.
	Whispering Pines Observatory			Colorado	A private Observatory.
	WhistleStop Observatory			Ontario	A private observatory.
	White Barn Observatory			Ohio	Future observatory site near Bradford.
	White Eagle Observatory			Illinois	A private observatory near Naperville.
	White House Observatory			Alabama	Near Moulton
	White Lake Observatory			Georgia	A private observatory near Acworth.
	White Mills Observatory			Kentucky	A private observatory somewhere around White Mills.
	White Tail Run Observatory			Texas	A private observatory.
	Whitetail Hollow Observatory			Georgia	A private observatory.
	Whitetail Observatory			Texas	A private observatory that offers public observing. Near Georgetown.
	Whitin Observatory			Massachusetts	Observatory of Wellesley College In Wellesley.
	Wild Apple Observatory			Wisconsin	A private observatory in Dane County.
	Wild Duck Observatory			Kentucky	A private observatory near Shelbyville.
	Wild Horse Observatory			Nevada	A private observatory.
	Wild Rose Ridge Observatory			Washington	A private observatory somewhere in the area of Cashmere.
	Wildcat Hills Observatory			Nebraska	A private observatory.
	Wilder Skies Observatory			Massachusetts	A private observatory near Bolton.
	Wilderness Skies Observatory			West Virginia	A private observatory Limestone Ridge near Martinsville.
	Wildflower Observatory			Arizona	A private observatory near Goodyear.
	Wilkinson Memorial Observatory			Saskatchewan	An observatory run by the Eastend Community Tourism Authority (ECTA). Near Eastend.
	Willard L. Eccles Observatory			Utah	Observatory of the University of Utah. On Frisco Peak
	William D. McDowell Observatory			New Jersey	Observatory of the Meadowlands Environment Center. Operated by Ramapo College.
	Williams Observatory			Oregon	Near Williams.
	Williams Observatory			New Brunswick	A private observatory
	Williamson Backyard Observatory			Arizona	A private observatory.
	Williston Observatory			Massachusetts	Observatory of Mount Holyoke Colleg. In South Hadley
	Willow Oak Observatory			Maryland	A private observatory somewhere around Gamber.
	Willowbrook Observatory			Ontario	Near Alliston
	Wilson Coulee Observatory			Alberta	Observatory of the RASC Calgary Centre.
	Wilson Hill Observatory			New Hampshire
	Wilson Hill Observatory			California	A private observatory near Shingletown.
	Wilson Observatory			Oklahoma	A private observatory near Sequoyah.
	Wind River Special Observatory			Wyoming	A private observatory near Crowheart.
	Windham Hill Observatory			Texas	A private observatory.
	Windsong Observatory			Rhode Island	A private observatory near Manville.
	Windy Hill 5 Observatory			Florida	A private observatory near Palma Sola Bay.
	Windy Hill Observatory			Tennessee	A private observatory.
	Windy Hill Observatory			Mississippi	Near Centreville.
	Windy Hills Observatory			Kansas	A private obsrevatory around Topeka.
	Windy Sky Observatory			New York	A private observatory near Bellport.
	Winer Observatory			Arizona	A non-profit observatory for basic research and public outreach.
	Winfree Observatory			Virginia	An observatory at Randolph College.
	Winnerwood Observatory			Pennsylvania	A private observatory
	Winter Bay Observatory			Prince Edward Island	A private observatory.
	Wishing Star Observatory			Rhode Island	A private observatory. Near Barrington.
	Wolf Creek Estates Observatory			New Mexico	A private observatory near Alto.
	Wolf Creek Observatory			Alabama	A private observatory.
	Wonder Hill Observatory			Texas	A private observatory near Brenham.
	Woodland Observatory			New Hampshire	A private observatory near Amherst.
	Woodpecker Lodge Observatory			New Brunswick	A private observatory.
	Worlds Without End Observatory			Missouri	A private observatory near Cherryville, MO.
	Worthy Garden Club Hopservatory			Oregon	Astronomical observatory operated by the Worthy Garden Club. In Bend.
	Wren Park			British Columbia	A private observatory
	Wright's Mill Observatory			New York	A private observatory near Armonk.
	Wrights Lake Observatory			Nova Scotia	A private observatory.
	Wyoming Infrared Observatory			Wyoming	Observatory on Jelm Mountain
	Xanadu Observatory			Arizona	A private observatory near Tucson.
	YCAS Observatory			Pennsylvania	observatory and home of the York County Astronomical Society. At John C. Rudy County Park.
	YFOS			New Hampshire	The New Hampshire Astronomical Society Young's Farm Observing Site
	Yalta Observatory			Florida	Near North Port.
	Yamabushi Observatory			Georgia	A private observatory near Commerce.
	Yamada Observatory			California	A private observatory in Wonder Valley, east of Fresno.
	Yanna Research Station			Wisconsin	Observatory site of the Madison Astronomical Society. Near Attica.
	Yarger Observatory			Michigan	Observatory and site of Astrocamp at YMCA Camp Eberhart in Three Rivers.
	Yerkes Observatory			Wisconsin	Observatory in Williams Bay.
	Yonderplace Observatory			Virginia	A private observatory near South Boston, VA.
	York University Observatory			Ontario	AKA Allan I. Carswell Observatory. Observatory, of York University, with public observing.
	Young Road Observatory			Georgia	A private observatory near Rayle.
	Young's Astronomy Club and Observatory			Michigan	Located at Young's Golf, Recreation & Dining.
	Young's Observatory			Arizona	A private obsrevatory near Florence Junction.
	Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
	Z-Field Observatory			Texas	A private observatory.
	Zeppy's Astronomical Observatory			Ohio	A private observatory somewhere around Chardon.
	Zion Gateway to the Stars			Utah	Observatory and planetarium in Orderville.