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

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