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.
64	N		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
64	NE		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
65	S		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
66	NW		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
66	NW		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
69	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.
70	NE		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
70	NW		Marshall			California	A town in Marin county by Tomales Bay.
71	N		Esparto			California	Site used by the Davis Astronomers.
71	S		Maple's Observatory			California	A private observatory somewhere around Salinas.
71	S		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
72	E		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
72	NW		Angwin			California
73	NW		Santa Rosa			California
75	E		Merced			California
76	S		La Mesa Urban Observatory			California	A private observatory in Monterey.
77	NW		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
77	S		Cypress Point Club			California	A golf course.
78	E		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
78	NE		Sierra Skies Observatory			California	A private observatory.
78	NW		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
78	S		Carmel			California
79	NW		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
81	NE		Buena Vista Observatory			California	A private observatory.
81	NE		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
81	NW		Occidental Observatory			California	Near Occidental.
82	NE		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
82	NW		Forestville			California	A town in Sonoma county.
84	SE		D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
84	SE		Panoche Pass			California
85	NW		The Bishop's Ranch			California	Retreat and conference center.
86	NE		Arnold Observatory			California	A private observatory.
86	NE		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
87	E		Greeley Hill Observatory			California	A private observatory near Coulterville.
87	N		Penryn			California
87	NE		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.
87	S		Tularcitos Observatory			California	A site used by the Mira Observers Group
88	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
89	N		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
89	NE		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
89	SE		Pinnacles Campground			California	Campground at the east entrance of Pinnacles National Park.
90	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.
92	E		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
92	NE		Auburn			California	Forecast also covers the Auburn State Recreation Area
93	N		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
94	NW		Vista Trail			California	Trail and overlook in Sonoma County.
95	NE		Rancho Del Sol Observatory			California	A private observatory near Camino.
96	S		MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
99	N		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
99	S		Pfeiffer Big Sur State Park			California	State park in Big Sur.
100	NW		Lake Sonoma			California	A site used by TAC
101	E		Mariposa Fairgrounds			California	Fairgrounds in Mariposa county.
103	NE		Peddler Hill			California	A site used by the Stockton Astronomical Society.
104	E		Eastman Lake Recreation Area			California	Recreation area used by the Central Valley Astronomers.
105	NE		Foresthill			California
105	NW		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
106	N		Rock Hill Observatory			California	A private observatory in Grass Valley.
106	NW		Taylor Observatory			California	A community Observatory in Kelseyville.
107	NE		Ice House Observation Plateau			California
107	NE		Shot Rock			California	A spot along the Carson Pass Highway.
107	SE		Mendota Wildlife Area			California	A wildlife area a few files north-east of Tranquillity.
108	NE		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
108	SE		Lee DaSilva Observatory			California	A private observatory near Madera.
109	N		Penn Valley			California
110	NE		Donnell Vista			California	A recreation area in the Stanislaus National Forest.
111	E		Hensley Lake			California	Regular observing site of the Central Valley Astronomers.
113	SE		Condon Peak Campground			California	A campground on BLM land.
114	E		Artis Observatory			California	A private observatory somewhere around Yosemite Lakes.
114	N		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
115	E		Ahwahnee Hills Observatory			California	A private observatory located in Ahwahnee.
115	N		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
115	S		Limekiln State Park			California	State park near Big Sur. Forcast also covers the lookout tower at Cone Peak.
116	E		Coarsegold			California
116	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
116	NW		Sea Ranch			California	A private ranch near Gualala.
117	E		Horsetail Fall			California	A seasonal waterfall in Yosemite National Park.
117	N		Nevada City			California
120	E		Bayt Observatory			California	A private observatory near Coarsegold.
120	E		Glacier Point			California	A site of public star parties. In Yosemite National Park.

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