Clear Sky Chart

Or show these results: on a map

Distance Mi	Bear -ing	S p o n s o r e d?	Chart	Preview color key	Light Pollution	Prov/State	Comments/Links
0			Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
10	N		Angwin			California
11	S		Sonoma			California
11	SW		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
11	W		Santa Rosa			California
13	NW		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
14	W		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
16	SE		Napa			California
19	N		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
21	W		Forestville			California	A town in Sonoma county.
21	W		The Bishop's Ranch			California	Retreat and conference center.
22	S		North Point Observatory			California	A private observatory.
22	W		Occidental Observatory			California	Near Occidental.
23	E		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
27	SE		Vallejo Observatory			California	A private observatory site close to Vallejo.
28	SW		Marshall			California	A town in Marin county by Tomales Bay.
29	E		Vacaville			California
32	NE		Esparto			California	Site used by the Davis Astronomers.
32	S		San Rafael			California	A site used by the used by the Marin Observers.
32	SE		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
34	SE		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
35	NE		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
35	NW		Lake Sonoma			California	A site used by TAC
36	S		Point Richmond			California
36	W		Vista Trail			California	Trail and overlook in Sonoma County.
37	S		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).
38	SW		Drakes Bay visitors center			California	Officially the Kenneth C. Patrick Vistor Center. Site of astronomy classes at the Point Reyes National Seashore national park.
40	N		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
40	NW		Taylor Observatory			California	A community Observatory in Kelseyville.
40	SE		Diablo Valley College			California	College near Concord.
41	S		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
42	E		Davis			California	A town in Yolo county.
43	SE		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
45	SE		Concord Observatory			California	A private observatory in Concord.
46	S		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
46	S		Oakland			California
46	S		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
46	SE		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
47	SE		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
48	SE		Rio Vista			California	A town in Solano county.
49	S		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
49	SE		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
50	SE		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
51	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
55	NE		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
55	SE		Barking Spider Observatory			California	A private observatory near Castro Valley.
55	W		Sea Ranch			California	A private ranch near Gualala.
56	E		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
56	SE		Brentwood			California	Forecast also covers Byran and Oakley.
56	SE		Castro Valley			California
56	SE		DarkSights Observatory			California	A private observatory.
56	SE		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
57	NW		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
57	S		Pacifica			California
60	NW		Gualala			California
61	S		San Mateo			California
62	E		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
63	S		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
65	S		Ewell Observatory			California
65	S		Half Moon Bay			California
66	NE		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
66	NW		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
66	SE		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
67	NW		Lookout Ranch			California	A private ranch.
68	E		Wilton			California
68	SE		Fremont			California	The town in Alameda country.
69	NE		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
70	E		Lodi			California
70	S		Menlo Park			California
70	S		Menlo School			California	A school with an astronomy club. In Atherton
73	E		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
73	S		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
73	S		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
73	SE		Del Valle			California	Site details.
74	SE		Stockton			California	Home of the Stockton Astronomical Society.
76	S		Mountain View			California
76	S		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
77	E		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
77	S		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
78	E		Penryn			California
78	E		Sierra Skies Observatory			California	A private observatory.
78	SE		Tracy Airport			California
79	S		Montebello			California	Montebello Open Space Preserve is a site used by TAC
80	S		Greenhawk Observatory			California	A private observatory.
81	S		Cupertino			California
82	S		Pescadero			California
83	SE		San Jose			California	Home of the San Jose Astronomical Association.
84	NE		Auburn			California	Forecast also covers the Auburn State Recreation Area
85	E		Buena Vista Observatory			California	A private observatory.
85	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
85	S		Saratoga			California
88	NE		Penn Valley			California
88	S		Ross Creek Observatory			California	A private observatory in San Jose.
88	SE		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
89	S		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
89	SE		Mount Hamilton			California	Home of the Lick Observatory.
90	E		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
90	NE		Feather River Observatory			California	A private observatory in Oroville.
91	E		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.
91	SE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
92	NW		Mendocino			California
93	NE		Rock Hill Observatory			California	A private observatory in Grass Valley.
94	SE		Santa Teresa Spring			California
95	N		Buckhorn Recreation Area			California	Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
95	S		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
96	NE		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
96	S		Holmes Observatory			California	A private observatory near Lompico.
97	NE		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
97	S		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
97	SE		Green Acres Observatory			California	A private observatory.
98	NE		Nevada City			California
98	SE		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.
99	N		Meadow View Observatory			California	A private observatory.
99	NE		Foresthill			California
99	NW		Starry Kingdom Observatory			California	A private observatory in Laytonville.
99	SE		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
100	E		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
100	NE		Big Bird Observatory			California	A private observatory near Paradise.
100	S		Davenport Beach			California	A beach in Davenport.
101	N		Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
101	SE		Henry Coe State Park			California	A site used by SJAA and TAC
102	E		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
102	S		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
102	SE		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
102	SE		Morgan Hill			California
103	E		Rancho Del Sol Observatory			California	A private observatory near Camino.
103	NE		Paradise			California
105	S		Cabrillo College Observatory			California	Observatory of Cabrillo College.
105	S		Hidden Valley Observatory			California	A private observatory near Soquel.
105	S		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
105	SE		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
109	E		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
110	E		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
110	SE		Newman Vista Point			California	A lookout on Interstate 5.
111	SE		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
112	E		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
112	NE		Blue Canyon			California	Airport site used by the Sacramento Valley Astronomical Society.
112	SE		Turlock			California	A town in Stanislaus county.
117	E		Ice House Observation Plateau			California
118	E		Arnold Observatory			California	A private observatory.
118	SE		Pacheco State Park			California	A state park used as a dark sky site.
120	SE		Dinosaur Point			California	A site used by SJAA and TAC

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