Clear Sky Chart

Charts within 180mi of the Penn Valley clear sky chart

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0 Penn Valley
 
California  
8NE NCC Robotic Observatory
 
California   Observatory of Sierra College in Grass Valley.
9NE James Clerk Maxwell Observatory
 
California   A private observatory near Nevada City.
10NE Nevada City
 
California  
11SE Rock Hill Observatory
 
California   A private observatory in Grass Valley.
21S Auburn
 
California   Forecast also covers the Auburn State Recreation Area
21SW Waltz Road
 
California   A a spot along Waltz road. Near Wheatland.
22SE Foresthill
 
California  
23S Penryn
 
California  
25W Yuba City Astronomical Observatory
 
California   A private observatory in Yuba City.
26E Blue Canyon
 
California   Airport site used by the Sacramento Valley Astronomical Society.
27NW Feather River Observatory
 
California   A private observatory in Oroville.
31S Folsom Lake State Recration Area
 
California   State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
35NE Saddleback Observatory
 
California   A private observatory.
36S Sierra Skies Observatory
 
California   A private observatory.
36SE 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.
36W Tisdale Boat Launch
 
California   A public boat launch, though there is a fee.
38N Little Grass Valley Reservoir
 
California   Rservoir surounded by Little Grass Valley Recreation Area with several campgrounds.
38S Buena Vista Observatory
 
California   A private observatory.
41NW Big Bird Observatory
 
California   A private observatory near Paradise.
41S Rancho Cordova
 
California   A private site of the Sacramento Valley Active Astronomers Research Group.
44SE Rancho Del Sol Observatory
 
California   A private observatory near Camino.
45S Sacramento
 
California   Home of the Sacrameto Valley Astronomical Association.
46NW Paradise
 
California  
50SE Ice House Observation Plateau
 
California  
52NW Chico Community Observatory
 
California   A community observatory in Upper Bidwell Park.
53N Quincy
 
California   A site of the RECON project
53NW Meadow View Observatory
 
California   A private observatory.
54SW Davis
 
California   A town in Yolo county.
55S Elk Grove
 
California   Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
56E Northstar Ski Resort
 
California   Resort and site of commercial star tours. Near Lake Tahoe.
56S Wilton
 
California  
56SE Fiddletown
 
California   A site about 6 miles east of Fiddletown proper.
56SW Esparto
 
California   Site used by the Davis Astronomers.
57E Martis Creek Campground
 
California   A site used by the Astronomical Society of Nevada.
57NE Portola
 
California   A site of the RECON project
60SE Keeton Observing Site
 
California   A private observing site also used by some members of the Sacramento Valley Astronomical Society
60W Ghost Pine Observatory
 
California   A private observatory in the Upper Capay Valley.
65S Pardee Reservoir Recreation Area
 
California   Recreation area used as an observing site by the Stockton Astronomical Society.
65SE Peddler Hill
 
California   A site used by the Stockton Astronomical Society.
66SE Shot Rock
 
California   A spot along the Carson Pass Highway.
67E Lightholder Optics Observatory
 
California   Observatory of Lightholder Optics.
67E Sand Point
 
Nevada   In Lake Tahoe Nevada State Park, Near Incline Village.
67E South Lake Tahoe
 
California  
67N Greenville
 
California   A site of the RECON project
67NE Trapshoot
 
California   Public site used by Astronomical Society of Nevada. Near Chilcoot.
69SE Heaven's Plateau
 
California   Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
72SW Vacaville
 
California  
73S Lodi
 
California  
73SW Putah Creek Observatory
 
California   Future site of a private observatory in Pope Valley.
74E Jack C. Davis Observatory
 
Nevada   Observatory of the Western Nevada Community College. Affiliated with the Western Nevada Astronomical Society. In Carson City
74SW Blue Ridge
 
California   The general area of Blue Ridge, in the Vaca Mountains.
75NE Deer Lodge Site
 
Nevada   North of Reno. A site on Deer Lodge road used by the Astronomical Society of Nevada.
76E Washoe Zephyr Observatory
 
Nevada   A private observatory in Washoe Valley.
76S Rio Vista
 
California   A town in Solano county.
77E Bertucci's Sky
 
Nevada   A private observatory.
77E Fleischmann Planetarium and Science Center
 
Nevada   Planetarium and science center in Reno.
77E Maclean Observatory
 
Nevada   Observatory of the University of Nevada, Reno.
77E Reno
 
Nevada   Home of the Astronomical Society of Nevada.
77NW Buckhorn Recreation Area
 
California   Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
79E Gardnerville
 
Nevada  
79SE Bear Valley
 
California   A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
80E Sierra Stars Observatory
 
California   A private observatory near Paynesville.
80E Virgo Skyline Observatory.
 
Nevada   A private observatory.
80SE Arnold Observatory
 
California   A private observatory.
80SW Angwin
 
California  
84E Ruhenstroth Observatory
 
Nevada   A private observatory somewhere around Gardnerville.
84W Clear Lake
 
California   Covers the Clear Lake area inclunding Boggs Mountain State Forest.
85S Stockton
 
California   Home of the Stockton Astronomical Society.
85SE AngelKillarney s City
 
California   AKA Angels Camp. A town in Calaveras county.
86N Bateson Observatory
 
California   A private observatory near Susanville.
86SW Napa
 
California  
87E Monitor Pass
 
California  
88SW DVHS Espace Academy
 
California   ESpace Academy, part of Deer Valley High School In Antioch.
88SW Robert Ferguson Observatory
 
California   Observatory in Sugar Loaf Ridge State Park near Kenwood.
89W Taylor Observatory
 
California   A community Observatory in Kelseyville.
90S Telegraph City
 
California   A site used by some members of the Stockton Astronomical Society.
90SE Donnell Vista
 
California   A recreation area in the Stanislaus National Forest.
91S Brentwood
 
California   Forecast also covers Byran and Oakley.
92NE Range Land
 
Nevada   A private site of the Astronomical Society of Nevada.
92SW Hume Observatory
 
California   Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
92SW Vallejo Observatory
 
California   A private observatory site close to Vallejo.
93N Lassen National Park
 
California   Two sites used by TAC: Devastated Area and Bumpass Hell. No, really. I'm not making this up.
93SW Sonoma
 
California  
95SE High Sierra Park
 
California   In the Stanislaus National Forest near Mi-Wuk Village.
96N Wilson Hill Observatory
 
California   A private observatory near Shingletown.
96SW Concord Observatory
 
California   A private observatory in Concord.
96W Powerpoint Lookout
 
California   A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
97S Green Acres Observatory
 
California   A private observatory.
97SW Diablo Valley College
 
California   College near Concord.
97SW Santa Rosa
 
California  
98SW CBA Concord Observatory
 
California   A private Observatory. Part of the Center for Backyard Astrophysics.
99SW Mount Diablo
 
California   Home of the Mt. Diablo Astronomical Society.
99SW SPARQ Observatory
 
California   Observatory of SPARQ at Piner High School. In Santa Rosa.
99SW Sonoma State University Observatory
 
California   observatory in Sonoma State University. Near Rohnert Park and Cotati
100SW Foxboro Park
 
California   City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
100SW Hercules Stargazers Alternate Site
 
California   An observing site of the Hercules Stargazers in Hanna Ranch Park.
101NW Cottonwood
 
California   A town in Shasta county.
101SW The Bishop's Ranch
 
California   Retreat and conference center.
102E Wellington
 
Nevada  
103SW North Point Observatory
 
California   A private observatory.
104N Eagle Lake
 
California   Site of public astronomy session by Bateson Observatory personnel.
104SE Cottontail Observatory
 
California   A private observatory somewhere around Walker.
104SE Don Pedro Reservoir
 
California   Centered on a public scenic outlook at the north end of lake and recreation area.
104SW Forestville
 
California   A town in Sonoma county.
105S Tracy Airport
 
California  
106SW Saint Mary's College Observatory
 
California   AKA Geissberger Observatory. Observatory of Saint Mary's College.
106W Lake Sonoma
 
California   A site used by TAC
107SW Lawrence Hall of Science
 
California   A public and school science center of the University of California at Berkeley.
107SW San Ramon
 
California   Site of outreach events held by the Eastbay Astronomical Society.
108E Gas Line Road
 
Nevada   South of Fernley. A site used by the Astronomical Society of Nevada.
108S Modesto
 
California   Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
108SW DarkSights Observatory
 
California   A private observatory.
108SW Occidental Observatory
 
California   Near Occidental.
108W Rubicon Observatory
 
California   A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
109E Yerington
 
Nevada   A site of the RECON project
109S Livermore
 
California   Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
109SW Chabot Space and Science Center
 
California   A science center home to the Eastbay Astronomical Society. In Oakland.
109SW Point Richmond
 
California  
111SW San Rafael
 
California   A site used by the used by the Marin Observers.
112SW Oakland
 
California  
113S Del Valle
 
California   Site details.
113SW Barking Spider Observatory
 
California   A private observatory near Castro Valley.
114SE Greeley Hill Observatory
 
California   A private observatory near Coulterville.
114SW Castro Valley
 
California  
114W Galbreath Wildlands Preserve
 
California   Wildlife preserve of Sonoma State University.
116NW Schreder Planetarium
 
California   A planetarium with public observing sessions. In Redding.
116SW Marshall
 
California   A town in Marin county by Tomales Bay.
117SW Mount Tamalpais State Park
 
California   Centered on Rock Springs parking area, of Mount Tamalpais State Park, a site used by the San Francisco Amateur Astronomers. Also site of astronomy programs organized by the Mt. Tamalpais Interpretive Association (MTIA).
117SW Vista Trail
 
California   Trail and overlook in Sonoma County.
118S Turlock
 
California   A town in Stanislaus county.
118SW San Francisco
 
California   Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
120SW Morrison Planetarium
 
California   Planetarium at the California Academy of Sciences. In San Francisco.
121NW Whiskeytown National Recreation Area
 
California   A national recreation area west of Redding. This chart is centered on the parking lot of the Shasta Mine Loop Trailhead. It is site of astronomy programs led by the park rangers and is used as an observing site by the Shasta Astronomy Club.
122N Baum Lake
 
California  
122S Fremont
 
California   The town in Alameda country.
123NW Brandy Creek Boat Ramp
 
California   Used by some members of the Shasta Astronomy Club. On Whiskytown Lake. Forecast covers the Whiskytown National Recreation Area.
123SE Bridgeport Lake Private Observatory
 
California   A private observatory in Bridgeport Valley.
123SW San Francisco State University Observatory
 
California   Observatory of SFSU at Thornton Hall.
124NW Shasta Dam
 
California  
125S Hidden Hill Observatory
 
California   Observatory of the Tri-Valley Stargazers
125SW Drakes Bay visitors center
 
California   Officially the Kenneth C. Patrick Vistor Center. Site of astronomy classes at the Point Reyes National Seashore national park.
126SE Plettstone
 
California   Home of the Dale Jay Steed Observatory, a private observatory. A site used by members of TAC and the SJAA. Near Mariposa.
126W Sea Ranch
 
California   A private ranch near Gualala.
127W Starry Kingdom Observatory
 
California   A private observatory in Laytonville.
128SW San Mateo
 
California  
128W Chamberlain Creek Rest Stop
 
California   A public rest-stop on Highway 20.
128W Lookout Ranch
 
California   A private ranch.
129W Gualala
 
California  
130S Mount Hamilton
 
California   Home of the Lick Observatory.
130SW CSM Observatory
 
California   Observatory of the astronomy department of College of San Mateo.
130SW Ewell Observatory
 
California  
130SW Pacifica
 
California  
131S Newman Vista Point
 
California   A lookout on Interstate 5.
131S Telescope Row
 
California   A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
131SE Horsetail Fall
 
California   A seasonal waterfall in Yosemite National Park.
132NE WYA Eastern Lassen Site
 
California   A informal site used by the West Yolo Astronomers in the Lassen National Forest near the town of Red Rock.
132SE Conway Summit
 
California   A dark site 12 miles north of Lee Vinning in Mono County.
132SW Menlo Park
 
California  
132SW Menlo School
 
California   A school with an astronomy club. In Atherton
133SE Bodie
 
California  
133SE Glacier Point
 
California   A site of public star parties. In Yosemite National Park.
133SW Stanford Faculty Observatory
 
California   A private observatory of a faculty member of Stanford University.
134S Mountain View
 
California  
134S San Jose
 
California   Home of the San Jose Astronomical Association.
134SW Stanford
 
California   Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
136S Foothill Observatory
 
California   Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
136S Greenhawk Observatory
 
California   A private observatory.
136S Merced
 
California  
136SW Half Moon Bay
 
California  
137S Cupertino
 
California  
137SE Mariposa Fairgrounds
 
California   Fairgrounds in Mariposa county.
137SW Vista Hill
 
California   A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
138E Grimes Point
 
Nevada   In Fallon. A site used by the Astronomical Society of Nevada.
138NW Lewiston Lake
 
California   A public parking area on Lewiston Lake.
138S Santa Teresa Spring
 
California  
139N Golden State Star Party
 
California   The GSSP is a star party held by the The Astronomy Connection(TAC). Near Adin.
140S Henry Coe State Park
 
California   A site used by SJAA and TAC
140SW Montebello
 
California   Montebello Open Space Preserve is a site used by TAC
140W Mendocino
 
California  
141S Ross Creek Observatory
 
California   A private observatory in San Jose.
141S Saratoga
 
California  
144S Coyote Lake
 
California   A county park used by members of the SJAA and TAC.Near Gilroy.
144S Dowdy Ranch Visitor Center
 
California   South-eastern visitors center of Henry Coe State Park.
144S Morgan Hill
 
California  
145E Hawthorne
 
Nevada  
145N Likely Place Golf & RV Resort
 
California   golf course and RV resort. Home of the Stellarvue Dark Sky Star Party.
145S Oak Ridge Observatory
 
California   Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
145S Rancho Cañada del Oro
 
California   An Open Space Preserve of the Santa Clara County Open Space Authority. Used by the San Jose Astronomical Association for public outreach.
146S BREIT IDEAS Observatory
 
California   A private observatory outside Morgan Hill.
147S Dinosaur Point
 
California   A site used by SJAA and TAC
147S Pacheco State Park
 
California   A state park used as a dark sky site.
148S Summit View Observatory
 
California   A private observatory in the Santa Cruz Mountains.
148SE Ahwahnee Hills Observatory
 
California   A private observatory located in Ahwahnee.
149NE Black Rock Desert
 
Nevada   A site used by the Astronomical Society of Nevada.
149SW Pescadero
 
California  
151SE Eastman Lake Recreation Area
 
California   Recreation area used by the Central Valley Astronomers.
152S Holmes Observatory
 
California   A private observatory near Lompico.
154SE Crestview
 
California   A hill site near Crestview, a few miles north-west of Mammoth Lakes in Inyo National Forest.
154SE HOLT Observatory
 
California   A private observatory.
155S Bonny Doon Airfield
 
California   A site used by the Santa Cruz Astronomy Club.
156NW Hyampom
 
California  
156SE Bayt Observatory
 
California   A private observatory near Coarsegold.
157S Cabrillo College Observatory
 
California   Observatory of Cabrillo College.
158N Mount Shasta
 
California   A town in Siskiyou county. Home of the Mount Shasta StarGazers
158S Hidden Valley Observatory
 
California   A private observatory near Soquel.
158SE Coarsegold
 
California  
159S Baskin Engineering Observatory
 
California   An observatory of the University of California, Santa Cruz.
159SE Artis Observatory
 
California   A private observatory somewhere around Yosemite Lakes.
159SE Hensley Lake
 
California   Regular observing site of the Central Valley Astronomers.
160S Davenport Beach
 
California   A beach in Davenport.
160S Santa Cruz
 
California   Home of the Santa Cruz Astronomy Club.
160SE McGee Creek
 
California  
160SE Mammoth Observatory
 
California   A private observatory near Mammoth Lakes.
164SE Lee DaSilva Observatory
 
California   A private observatory near Madera.
164W Shelter Cove
 
California   A town in Humboldt county.
169E First Light Observatory
 
Nevada   A private observatory
169S Fremont Peak
 
California   A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
170N Cedarville
 
California   A site of the RECON project
172S D.A.R.C. Observatory
 
California   A private observatory near Mercy Hot Springs.
173N Lake Shastina
 
California   About 17 miles north of Mt. Shasta.
175N Lava Beds National Monument
 
California   National monument
175SE Lost Valley Observatory
 
California   A private observatory between Yosemite and Kings Canyon in the Sierra Nevada Mountains.
175SE 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.
175SE Shaver Lake
 
California  
176S Maple's Observatory
 
California   A private observatory somewhere around Salinas.
177S Panoche Pass
 
California  
178S MIRA Weaver Student Observatory
 
California   Public observatory of the Monterey Institute for Research in Astronomy.
179S Mendota Wildlife Area
 
California   A wildlife area a few files north-east of Tranquillity.
180NW LJR Observatory
 
California   A private observatory.


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