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Chart | Preview
color key | Light
Pollution | Prov/State | Comments/Links |
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Sonrisa Observatory |
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California |
A private observatory near Escondido. |
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Sorrento Mesa Observatory |
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California |
A private observatory. |
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Sourland Mountain Observatory |
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New Jersey |
A private site near Hopewell. |
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South Bratt Observatory |
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Florida |
A private observatory near Bratt. |
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South Fork Observatory |
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California |
A private observatory near Three Rivers. |
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South Nation Space Station |
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Ontario |
A private observatory near Jessups falls. |
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South Park Observatory |
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Colorado |
A private observatory. |
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South Tamworth Observatory |
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New Hampshire |
A private observatory of a member of the New Hampshire Astronomical Society. In South Tamworth. |
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Southern Maine Astronomers Observatory |
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Maine |
Observatory of the Southern Maine Astronomers near cumberland. |
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Southerton Observatory |
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Pennsylvania |
A private observatory near Lewisburg. |
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Southington Observatory |
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Connecticut |
A private observatory in Southington. |
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Southwind Observatory |
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Connecticut |
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Space Hut Observatory |
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Alberta |
A private observatory somewhere around Cooking Lake. |
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Space Photons Observatory |
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Arizona |
A private observatory in Peoria. |
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Spencer's Observatory |
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Arizona |
A commercial observatory at Cat Mountain Lodge. Near Tucson. |
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Spenco Observatory |
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Indiana |
A private observatory near Mt Vernon. |
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Sperry Observatory |
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New Jersey |
An observatory of the Amateur Astronomers, Inc. on the campus of Union County College in Cranford. |
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Spiral Gateway Observatory |
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Kansas |
A private observatory in northern Coffey County. |
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Spirit River Observatory |
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Alberta |
A private observatory somewhere around Spirit River. |
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Split Rock Observatory |
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Ontario |
A private observatory near Ardoch. |
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Spotted-Tail Observatory |
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Nebraska |
A private observatory of a member of the Panhandle Astronomy Club. Near Scottsbluff. |
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Spradlin Observatory |
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Alabama |
A private observatory. (New position 2003-3-24) |
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Spring Hill School Observatory |
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Ontario |
A private observatory at the site of a former school. Near Drumbo Blandford-Blenheim. |
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Spring Mountain Observatory |
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Pennsylvania |
A private observatory. |
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Spring Ridge Observatory |
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Washington |
A private observatory. |
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Springlake Observatory |
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South Carolina |
A private observatory. |
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Spruce Ridge Observatory |
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British Columbia |
A private observatory near Cranbrook. |
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Squirrel Valley Observatory |
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North Carolina |
A private observatory. |
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St George Observatory |
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Louisiana |
Near Schiever. |
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St. Croix Observatory |
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Nova Scotia |
Observatory of the RASC Halifax Centre. Forecast also covers the nearby Nova East star party. |
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St. F.X. Observatory |
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Nova Scotia |
Observatory of the Physics Department of St. Francis Xavier University. Near Antigonish. |
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Stacy's Stellar Observatory |
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Minnesota |
A private observatory near Webb lake. |
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Stake Lake Observatory |
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British Columbia |
An observatory of the Kamloops Astronomical Society. |
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Stamford Observatory |
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Connecticut |
Observatory of the Fairfield County Astronomical Society. |
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Standeford and Andreas Observatories |
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Minnesota |
Observatories of Minnesota State University, Mankato |
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Standing Stone Observatory |
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West Virginia |
A private observatory. |
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Stanford |
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California |
Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society. |
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Stanford Faculty Observatory |
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California |
A private observatory of a faculty member of Stanford University. |
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Stansbury Park Observatory Complex (SPOC) |
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Utah |
SPOC is the Salt Lake Astronomical Society's observatory, located at the north end of Stansbury Park. |
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Star Camp Observatory |
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California |
A private observatory. |
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Star Corral Observatory |
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Oklahoma |
A private observatory. |
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Star Dogged Moon Observatory |
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Florida |
A private observatory near Keystone Heights. |
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Star Hill Inn |
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New Mexico |
A astronomy retreat and guest observatory near Sapello. |
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Star Hoppers Observatory |
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Michigan |
An observatory of Star Hoppers amateur astronomy group. Near Holly. |
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Star Kyst Observatory |
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Colorado |
A private observatory near Buena Vista. |
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Star Lake Observatory |
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Mississippi |
A private observatory somewhere around McComb. |
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Star Watcher Observatory |
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New York |
A private observatory near Long Island. |
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StarEffects Observatory |
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Pennsylvania |
A private observatory near Bernville. |
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StarGlider Observatory |
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Pennsylvania |
A private observatory in Gibsonia. |
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StarHome Observatory |
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Minnesota |
A private observatory near Stacy. |
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StarHub Observatory |
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North Carolina |
Site of observatory located near the Neuse Nature Center in Kinston. |
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StarPines Observatory |
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Arizona |
A private observatory. |
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Starbrite Observatory |
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Florida |
A private observatory in Davie. |
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Starburst Meadows Observatory |
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Maine |
A private observatory in Brunswick. |
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Stardom Observatory |
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New Jersey |
A private observatory in Mt Holly. |
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Stardust Observatory |
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Illinois |
A private observatory. |
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Stardust Observatory |
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Pennsylvania |
A private observatory near Port Matilda. |
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Starfire Observatory |
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Texas |
A private observatory near . |
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Stargaizer Ridge Observatory |
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Colorado |
A private observatory. |
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Stargate 4173 at Grimaldi Tower |
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New York |
A private observatory near Poughqaug. |
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Stargate Colorado Observatory |
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Colorado |
a private observatory near Trinidad, CO. |
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Stargate Observatory |
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New Mexico |
A private observatory near Paxton springs. |
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Stargate Observatory |
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Michigan |
Observatory of The Warren Astronomical Society. Located at Wolcott Mill Metropark. |
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Stargazer Observatory |
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Washington |
Future site of a private observatory on Camano Island. |
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Stargazer Observatory |
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Arizona |
A private observatory. |
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Stargazer's Field Observatory |
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Virginia |
A private observatory. |
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Starhoo Observatory |
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Massachusetts |
A private observatory near Lakeville. |
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Stark Bayou Observatory |
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Mississippi |
A private observatory near Ocean Springs. |
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Starlifter Observatory |
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Vermont |
A private observatory. |
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Starlight Cascade Observatory |
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Ontario |
A private observatory near Yarker. |
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Starlight Hills Observatory |
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Colorado |
A private observatory. |
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Starlight Observatory |
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Indiana |
A private observatory near the town of Starlight. |
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Starlight Observatory |
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Delaware |
A private observatory somewhere around Glasgow. |
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Starlight Observatory |
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Virginia |
A private observatory |
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Starlight Ridge Observatory |
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Nebraska |
A private site, with public observing events, near Meadville. |
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Starmere Observatory |
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New York |
A private observatory around Hudson. |
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Starry Hill Observatory |
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Washington |
An educational observatory and planetarium under construction in South Pierce County. |
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Starry Kingdom Observatory |
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California |
A private observatory in Laytonville. |
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Starry Knight Observatory |
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Alberta |
A private observatory somewhere around Three Hills. |
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Starry Night Astronomy & Observatory |
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Vermont |
A private observatory. |
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Starry Nights Ranch |
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Florida |
A private observatory. |
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Starry Zvezdachyot Observatory |
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Arizona |
A private observatory near Casa Adobes. |
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Stars Fell Observatory |
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Alabama |
A private observatory. |
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Stars at Night Observatory |
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Texas |
A private observatory somewhere around Quinlan. |
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Starshine Farm Observatory |
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Pennsylvania |
A private observatory near Wayne. |
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Starship #744 Observatory |
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Arizona |
A private observatory. |
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Stella Nova Observatory |
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Pennsylvania |
Near Conestoga. |
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Stellamar Observatory |
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Michigan |
A private observatory in Montmorency county. |
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Stellar Vista Observatory |
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Utah |
A public observatory affiliated with the Southern Utah Space Foundation. In Kanab |
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Stephen F. Wessling Observatory |
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Michigan |
Public observatory of the Newaygo County Conservation District. Staffed and supported by the Newaygo County Dark Sky Astronomers. |
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Sterner Observatory |
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Pennsylvania |
A private observatory. |
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Steve's Observatory |
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Mississippi |
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Stickney Observatory |
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Vermont |
Observatory of Bennington College. In Bennington. |
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Stillwater |
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Oklahoma |
Not far from Oklahoma State University's H. S. Mendenhall Observatory. |
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Stillwaters Observatory |
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Indiana |
A private observatory near Columbia City. |
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Stokesville Observatory |
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Virginia |
Of the Shenandoah Valley Stargazers |
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Stone Garden Observatory |
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British Columbia |
A private observatory near Miworth. |
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Stonelick Lake State Park |
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Ohio |
Home of public observing at Cincinnati Observatory. Pleasant Plain. |
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Stoney Hill Observatory |
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New York |
A private observatory near Clarksville. |
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Stony Creek Ranch Resort Observatory |
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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. |
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Stony Ridge Observatory |
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California |
An observatory in the Angeles National Forest |
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Stony Ridge Observatory |
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South Carolina |
A private observatory near Prosperity. |
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StonyHill Observatory |
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New York |
A private astronomical observatory with a weather station. On Long Island. |
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Strawberry Hill Observatory |
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Michigan |
A private observatory near Taffeltown. |
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Strawberry Point Observatory |
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Utah |
An observatory near Cedar City. |
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Strawbridge Observatory |
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Pennsylvania |
Observatory of Haverford College with student-led public observing |
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Strohbehn Observatory |
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Iowa |
A private observatory in Webster City. |
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Stull Observatory |
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New York |
Observatory at Alfred University. In Alfred. |
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Sturk Road Observatory |
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Nova Scotia |
A private observatory in Morristown. |
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Suburban Lights Observatory |
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Wisconsin |
A private observatory in Marshall. |
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Sudbury |
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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. |
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Sugar Grove Observatory |
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Illinois |
An observatory of the Twin City Amateur Astronomers. In the Sugar Grove Nature Center. |
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Sugarloaf Observatory |
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South Carolina |
Observatory near Patrick. Used by the Midlands Astronomy club |
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Sullivan Observatory |
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Illinois |
A private observatory in Sullivan. |
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Summit Crossing Observatory |
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Virginia |
A private observatory near Spotsylvania. |
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Summit Observatory |
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Delaware |
A private observatory. |
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Summit View Observatory |
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California |
A private observatory in the Santa Cruz Mountains. |
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Sun, Moon and Stars Observatory |
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British Columbia |
A private observatory of a member of the RASC Sunshine Coast Centre. Near Roberts Creek. |
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Sundance Observatory |
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Arizona |
A private observatory. |
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Sunday Creek Observatory |
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Ontario |
A private observatory 30 Minutes west of Englehart. |
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Sunflower Observatory |
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New Mexico |
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Sunny Brook observatory |
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Wisconsin |
A private observatory somewhere around Plum city. |
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Sunny Knoll Observatory |
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Illinois |
A private observatory in Port Byron. |
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Sunny Valley Observatory |
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Alberta |
A private observatory 15km east of the town of Northstar. |
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Sunridge Observatory |
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Alberta |
Observatory of the Medicine Hat Astronomy Club. |
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Sunriver |
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Oregon |
Home of the Sunriver Nature Center & Observatory |
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Sunset Bay |
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Ontario |
A private observatory on the SW end of White Lake, occaisonally used by some members of OAFs. |
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Sunset Farm Observatory |
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Manitoba |
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Supernova Observatory |
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New York |
A private observatory near Floyd. |
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Susquehanna University |
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Pennsylvania |
Centered on the observatory of Susquehanna University. In Selinsgrove. |
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Suwannee Skies Observatory |
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Florida |
Near Old Town. |
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Swan Lake Observatory |
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Georgia |
A private observatory near Stockbridge. |
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Sweetgum Observatory |
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Alabama |
A private observatory. |
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Sycamore Stars Observatory |
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Michigan |
A privately owned observatory dedicated to public remote use. Near Otsego. |
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Syzygy Observatory |
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North Carolina |
A private observatory somewhere around Asheville . |
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T. Spence Memorial Observatory |
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Georgia |
A private observatory near Midville. |
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T.O.M.S. Observatory |
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Mississippi |
AKA Top of Mississippi Skies Observatory. A private observatory somewhere around Pickwick lake. |
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TAMUK Observatory |
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Texas |
Observatory of Texas A&M University - Kingsville. |
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TAS-D Atoka |
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Oklahoma |
Observing site of the Texas Astronomical Society of Dallas. Also home of the Lone Star Observatory. Somewhere around the town of Atoka. |
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TASS H (Droege) Observatory |
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Illinois |
An observatory of the Amateur Sky Survey project. Near Batavia. |
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TBM Observatory |
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Maryland |
A private observatory. |
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TGCO |
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Pennsylvania |
Thomas G. Cupillari Astronomical Observatory at Keystone College and shared with the Lackawanna Astronomical Society. Near Fleetville. |
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TWASC Eggshatch Observatorium |
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Wisconsin |
A private observatory of the Hartford Area Astronomy Club, which is part of The Wisconsin Astronomical Society Corporation. |
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Table Mountain Observatory |
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California |
Observatory at Table Mountain Facility which is operated by JPL. Near Wrightwood. |
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Taigh nan Reul |
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Ontario |
Scottish Gaelec for "House of Stars". A private observatory. |
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Tainter Lake Skies Observatory |
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Wisconsin |
A private observatory near Tainter lake. |
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Talmage Observatory at Starfield |
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Maine |
An Observatory of the Astronomical Society of Northern New England (ASNNE) . Near Kennebunk. |
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Tamke-Allan Observatory |
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Tennessee |
Observatory,near Rockwood, of Roane State Community College. |
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Tanager Observatory |
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New Mexico |
A private observatory near Albuquerque. |
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Tarleton Observatory |
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Texas |
Observatory of Tarleton State University. Near Stephenville. |
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Tassi Observatory |
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California |
A private observatory near Ramona. |
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Taylor Creek Observatory |
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South Carolina |
A private observatory. |
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Taylor Oaks Observatory |
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South Carolina |
A private observatory near Rock Hill. |
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Taylor Observatory |
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California |
A community Observatory in Kelseyville. |
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Taylor University Observatory |
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Indiana |
Observatory of Taylor University in Upland. |
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Tehachapi Mountain Observatory |
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California |
A private observatory near Tehachapi. |
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Telescope Park |
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Maine |
An observatory site of the Central Maine Astronomical Society (CMAS). |
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Tellico Skies Observatory |
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Tennessee |
A private observatory. |
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Tellus Observatory |
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Georgia |
Observatory of Tellus: Northwest Georgia Science Museum. In Cartersville. |
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Ten Acre Observatory |
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Oklahoma |
A public observatory. Also the primary observing site of the Odyssey Astronomy CLub. |
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Tenafly Observatory |
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New Jersey |
A private observatory in Tenafly. |
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Tenagra Observatory |
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Arizona |
A privately-owned professional robotic obseratory (MPC 926) of Tenagra Observatories. Inc |
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Terrarouge Observatory |
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Prince Edward Island |
In the Belle River area. |
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Texas A&M University Teaching Observatory |
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Texas |
Observatory of Texas A&M University. |
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Texas Yard Canon Observatory |
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Wisconsin |
A private observatory. |
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The Astro Acre Observatory |
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Texas |
A private observatory in Talty. |
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The BD Software Observatory |
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Massachusetts |
A private observatory in North Reading, MA. |
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The Backyard Country Observatory |
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Missouri |
A private observatory. |
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The Blue Marble Observatory |
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Ontario |
A private observatory. |
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The Brower Observatory |
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Maine |
Observatory of the Central Maine Astronomical Society. |
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The Bruce M. Bedow Memorial Observatory |
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Pennsylvania |
Observatory of the The Oil Region Astronomical Society. Also, home of Astroblast, a star party of ORAS. |
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The Cherrywood Observatory |
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Colorado |
A private observatory in Longmont. |
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The Clear Nights Observatory |
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Georgia |
A private observatory. |
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The Copernicus Observatory |
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Utah |
A private observatory. |
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The D'Auria's Ocala Star Observatory |
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Florida |
A private observatory near Ocala. |
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The Dead Gekko Society Observatory |
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Arkansas |
A private observatory near Eureka Springs. |
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The Decker-Grebner-Van Zandt Observatory |
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Illinois |
Observatory maintained by the Peoria Astronomical Society. In Jubliee College State Park. |
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The Dutch Observatory |
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Georgia |
A private observatory. |
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The Friedman Observatory |
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Pennsylvania |
Observatory of Penn State Wilkes-Barre university. In Lehman. |
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The Geek Shed |
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Pennsylvania |
A private observatory near Hartleton. |
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The Glenelg Observatory |
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Ontario |
A private observatory near Durham. |
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The Grainger Observatory |
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New Hampshire |
Observatory of Phillips Exeter Academy. In Exeter. |
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The HomCav Observatory |
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New York |
A private observatory, near Maine, NY. |
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The Hughesville Sky-view Observatory |
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Maryland |
A private observatory near Waldorf. |
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The Jewett Observatory |
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Washington |
Observatory of Washington State University. With public events cosponsored by the Palouse Astronomical Society. Near Pullman. Forecast also covers Moscow, Idaho. |
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The Knob |
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New York |
A private observatory. |
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The Last Stand Observatory |
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Texas |
A private observatory. |
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The Lone Wolf Observatory |
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Illinois |
A private observatory near Oak Lawn |
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The Looking Glass Observatory |
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Tennessee |
A private observatory in Lancing. |
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The Loose Rooster Observatory |
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Pennsylvania |
A private observatory somewhere around Scranton. |
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The Mad Professor's Observatory |
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Colorado |
A private observatory. |
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The Marian and Max Farash Center for Observational Astronomy |
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New York |
Home of the Farash Observatory and the Wolk Observatory Rochester Academy of Science. Near Ionia. |
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The Meadow |
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Wisconsin |
An observatory near River Falls and Lake Woebegon. |
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The Naked Astronomer Observatory |
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Washington |
A private observatory near Port Orchard. |
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The New Freedom Observatory |
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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. |
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The Observatory at Tangleroot Farm |
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New York |
A private observatory of a member of the Adirondack Skywatchers and the Salem Astronomical Society. |
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The Observatory on the Lake |
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Ontario |
link |
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The Peninsula Observatory |
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North Carolina |
A private observatory. |
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The Ranch Observatory |
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Alberta |
A private observatory. |
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The Rezervatory |
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Nebraska |
A private observatory between Wahoo and Omaha. |