Clear Sky Chart

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Distance Mi	Bear -ing	S p o n s o r e d?	Chart	Preview color key	Light Pollution	Prov/State	Comments/Links
0			Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
7	SE		Del Valle			California	Site details.
11	NW		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
< 15			DarkSights Observatory			California	A private observatory.
15	SW		Fremont			California	The town in Alameda country.
16	NW		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
17	W		Barking Spider Observatory			California	A private observatory near Castro Valley.
17	W		Castro Valley			California
18	E		Tracy Airport			California
18	N		Brentwood			California	Forecast also covers Byran and Oakley.
21	NW		Concord Observatory			California	A private observatory in Concord.
21	NW		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
22	N		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
23	NW		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
24	S		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
25	NW		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
25	S		Mount Hamilton			California	Home of the Lick Observatory.
25	S		San Jose			California	Home of the San Jose Astronomical Association.
25	SE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
26	NW		Diablo Valley College			California	College near Concord.
27	SW		Mountain View			California
28	SW		Greenhawk Observatory			California	A private observatory.
28	SW		Menlo Park			California
28	SW		Menlo School			California	A school with an astronomy club. In Atherton
28	SW		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
29	NW		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
29	SW		Cupertino			California
29	SW		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
29	W		Oakland			California
30	SW		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
31	S		Santa Teresa Spring			California
31	SW		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
31	W		Ewell Observatory			California
32	NE		Stockton			California	Home of the Stockton Astronomical Society.
32	S		Ross Creek Observatory			California	A private observatory in San Jose.
32	SW		Saratoga			California
32	W		San Mateo			California
33	N		Rio Vista			California	A town in Solano county.
33	NW		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
33	SW		Montebello			California	Montebello Open Space Preserve is a site used by TAC
33	W		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
35	NW		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
36	S		Henry Coe State Park			California	A site used by SJAA and TAC
36	W		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
37	S		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.
37	SW		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
38	NW		Point Richmond			California
39	NW		Vallejo Observatory			California	A private observatory site close to Vallejo.
39	S		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
39	S		Morgan Hill			California
39	S		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
39	W		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
39	W		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
40	W		Half Moon Bay			California
40	W		Pacifica			California
41	NE		Lodi			California
41	S		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
43	E		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
43	S		Holmes Observatory			California	A private observatory near Lompico.
45	SE		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
45	SE		Newman Vista Point			California	A lookout on Interstate 5.
45	SW		Pescadero			California
46	NW		San Rafael			California	A site used by the used by the Marin Observers.
47	E		Green Acres Observatory			California	A private observatory.
47	SW		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
48	N		Vacaville			California
48	S		Cabrillo College Observatory			California	Observatory of Cabrillo College.
49	S		Hidden Valley Observatory			California	A private observatory near Soquel.
49	W		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).
50	NW		North Point Observatory			California	A private observatory.
50	S		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
51	NW		Napa			California
51	S		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
52	E		Turlock			California	A town in Stanislaus county.
52	N		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
52	SE		Pacheco State Park			California	A state park used as a dark sky site.
52	SW		Davenport Beach			California	A beach in Davenport.
54	SE		Dinosaur Point			California	A site used by SJAA and TAC
55	NE		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
56	NE		Wilton			California
56	NW		Sonoma			California
59	E		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
60	N		Davis			California	A town in Yolo county.

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