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

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