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			Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
5	NE		Holmes Observatory			California	A private observatory near Lompico.
6	SE		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
6	SW		Davenport Beach			California	A beach in Davenport.
8	SE		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
10	NE		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
10	NE		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
11	SE		Hidden Valley Observatory			California	A private observatory near Soquel.
12	SE		Cabrillo College Observatory			California	Observatory of Cabrillo College.
15	NE		Saratoga			California
16	NE		Ross Creek Observatory			California	A private observatory in San Jose.
18	N		Cupertino			California
18	N		Montebello			California	Montebello Open Space Preserve is a site used by TAC
19	N		Greenhawk Observatory			California	A private observatory.
19	NW		Pescadero			California
20	E		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.
20	N		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
21	N		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
22	N		Mountain View			California
23	E		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
23	NE		San Jose			California	Home of the San Jose Astronomical Association.
24	N		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
24	N		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
26	E		Morgan Hill			California
26	NE		Santa Teresa Spring			California
27	N		Menlo Park			California
27	N		Menlo School			California	A school with an astronomy club. In Atherton
29	NE		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
32	E		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
32	N		Ewell Observatory			California
33	E		Henry Coe State Park			California	A site used by SJAA and TAC
33	NE		Mount Hamilton			California	Home of the Lick Observatory.
33	SE		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
34	N		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
34	N		Fremont			California	The town in Alameda country.
34	NW		Half Moon Bay			California
35	S		Cypress Point Club			California	A golf course.
36	N		San Mateo			California
36	S		La Mesa Urban Observatory			California	A private observatory in Monterey.
37	S		Carmel			California
39	SE		Maple's Observatory			California	A private observatory somewhere around Salinas.
41	SE		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
42	E		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
42	NE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
42	NW		Pacifica			California
43	N		Castro Valley			California
44	NE		Del Valle			California	Site details.
45	N		Barking Spider Observatory			California	A private observatory near Castro Valley.
47	NE		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
48	N		DarkSights Observatory			California	A private observatory.
48	N		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
49	NW		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
50	E		Pacheco State Park			California	A state park used as a dark sky site.
51	N		Oakland			California
51	N		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
51	SE		Tularcitos Observatory			California	A site used by the Mira Observers Group
52	N		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
52	N		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
53	E		Dinosaur Point			California	A site used by SJAA and TAC
53	N		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
56	N		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
57	N		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
57	NE		Tracy Airport			California
58	E		Newman Vista Point			California	A lookout on Interstate 5.
60	N		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
60	S		Pfeiffer Big Sur State Park			California	State park in Big Sur.
61	N		Concord Observatory			California	A private observatory in Concord.
61	N		Point Richmond			California
61	SE		MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
62	N		Diablo Valley College			California	College near Concord.
64	N		Brentwood			California	Forecast also covers Byran and Oakley.
64	N		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
64	NW		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).
66	N		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
66	N		San Rafael			California	A site used by the used by the Marin Observers.
67	N		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
67	SE		Pinnacles Campground			California	Campground at the east entrance of Pinnacles National Park.
69	SE		Panoche Pass			California
73	N		Vallejo Observatory			California	A private observatory site close to Vallejo.
74	E		D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
74	NE		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
75	N		North Point Observatory			California	A private observatory.
76	NE		Turlock			California	A town in Stanislaus county.
77	NE		Stockton			California	Home of the Stockton Astronomical Society.
79	N		Rio Vista			California	A town in Solano county.
79	SE		Limekiln State Park			California	State park near Big Sur. Forcast also covers the lookout tower at Cone Peak.
80	NW		Drakes Bay visitors center			California	Officially the Kenneth C. Patrick Vistor Center. Site of astronomy classes at the Point Reyes National Seashore national park.
83	NE		Green Acres Observatory			California	A private observatory.
85	N		Napa			California
86	N		Sonoma			California
86	NW		Marshall			California	A town in Marin county by Tomales Bay.
87	NE		Lodi			California
89	N		Vacaville			California
91	N		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
92	E		Merced			California
92	N		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
96	SE		Condon Peak Campground			California	A campground on BLM land.
97	N		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
97	NE		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
100	N		Santa Rosa			California
101	NE		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
102	N		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
103	NE		Wilton			California
103	NW		Occidental Observatory			California	Near Occidental.
104	N		Davis			California	A town in Yolo county.
106	E		Mendota Wildlife Area			California	A wildlife area a few files north-east of Tranquillity.
106	N		Angwin			California
106	NW		Forestville			California	A town in Sonoma county.
106	SE		SkiesAway Remote Observatories			California	A commerical observatory hosting remote telescopes.
108	N		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
109	NE		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
109	SE		Lake San Antonio			California	A site used by SJAA and TAC
110	N		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
110	N		The Bishop's Ranch			California	Retreat and conference center.
111	NE		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
111	NE		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
112	N		Esparto			California	Site used by the Davis Astronomers.
113	NW		Vista Trail			California	Trail and overlook in Sonoma County.
114	N		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
115	E		Plettstone			California	Home of the Dale Jay Steed Observatory, a private observatory. A site used by members of TAC and the SJAA. Near Mariposa.
116	NE		Greeley Hill Observatory			California	A private observatory near Coulterville.
117	E		Lee DaSilva Observatory			California	A private observatory near Madera.
117	NE		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
119	E		Eastman Lake Recreation Area			California	Recreation area used by the Central Valley Astronomers.

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