Clear Sky Chart

Or show these results: on a map

Distance Mi	Bear -ing	S p o n s o r e d?	Chart	Preview color key	Light Pollution	Prov/State	Comments/Links
0			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).
6	NE		San Rafael			California	A site used by the used by the Marin Observers.
13	E		Point Richmond			California
13	SE		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
14	SE		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
15	SE		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
15	N		North Point Observatory			California	A private observatory.
20	E		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
20	E		Oakland			California
21	E		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
21	E		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
21	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.
22	S		Pacifica			California
23	NW		Marshall			California	A town in Marin county by Tomales Bay.
24	E		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
26	NE		Vallejo Observatory			California	A private observatory site close to Vallejo.
27	N		Sonoma			California
28	E		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
29	SE		San Mateo			California
30	S		Half Moon Bay			California
30	SE		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
30	E		Diablo Valley College			California	College near Concord.
30	N		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
32	E		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
32	NE		Napa			California
32	SE		Barking Spider Observatory			California	A private observatory near Castro Valley.
32	SE		Castro Valley			California
32	SE		Ewell Observatory			California
36	E		Concord Observatory			California	A private observatory in Concord.
37	E		DarkSights Observatory			California	A private observatory.
37	N		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
37	N		Santa Rosa			California
38	E		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
38	E		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
39	N		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
39	NW		Occidental Observatory			California	Near Occidental.
39	SE		Menlo Park			California
39	SE		Menlo School			California	A school with an astronomy club. In Atherton
41	SE		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
42	N		Forestville			California	A town in Sonoma county.
42	SE		Fremont			California	The town in Alameda country.
42	SE		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
43	NE		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
44	E		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
45	N		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
45	SE		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
46	N		The Bishop's Ranch			California	Retreat and conference center.
46	NE		Vacaville			California
46	SE		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
46	SE		Mountain View			California
47	N		Angwin			California
47	S		Pescadero			California
47	SE		Montebello			California	Montebello Open Space Preserve is a site used by TAC
49	E		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
49	NW		Vista Trail			California	Trail and overlook in Sonoma County.
50	E		Brentwood			California	Forecast also covers Byran and Oakley.
51	SE		Greenhawk Observatory			California	A private observatory.
52	SE		Cupertino			California
53	E		Rio Vista			California	A town in Solano county.
55	SE		Del Valle			California	Site details.
55	SE		Saratoga			California
56	N		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
56	SE		San Jose			California	Home of the San Jose Astronomical Association.
58	SE		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
59	SE		Ross Creek Observatory			California	A private observatory in San Jose.
61	NW		Lake Sonoma			California	A site used by TAC
63	NE		Esparto			California	Site used by the Davis Astronomers.
63	SE		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
64	SE		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
64	SE		Holmes Observatory			California	A private observatory near Lompico.
64	SE		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
65	NE		Davis			California	A town in Yolo county.
66	E		Tracy Airport			California
66	S		Davenport Beach			California	A beach in Davenport.
66	SE		Mount Hamilton			California	Home of the Lick Observatory.
68	SE		Santa Teresa Spring			California
70	SE		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
70	SE		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.
71	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
71	SE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
72	E		Stockton			California	Home of the Stockton Astronomical Society.
72	NW		Sea Ranch			California	A private ranch near Gualala.
72	SE		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
73	SE		Hidden Valley Observatory			California	A private observatory near Soquel.
74	N		Taylor Observatory			California	A community Observatory in Kelseyville.
74	SE		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
74	SE		Cabrillo College Observatory			California	Observatory of Cabrillo College.
75	E		Lodi			California
75	N		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
75	SE		Morgan Hill			California
76	NE		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
76	NE		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
76	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
77	NW		Gualala			California
77	SE		Henry Coe State Park			California	A site used by SJAA and TAC
80	SE		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
81	NE		Wilton			California
88	NE		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
88	NW		Lookout Ranch			California	A private ranch.
88	SE		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
90	N		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
91	E		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
91	NE		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
93	E		Green Acres Observatory			California	A private observatory.
93	SE		Newman Vista Point			California	A lookout on Interstate 5.
96	SE		Pacheco State Park			California	A state park used as a dark sky site.
97	N		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
97	NE		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
97	SE		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
98	NE		Sierra Skies Observatory			California	A private observatory.
98	S		Cypress Point Club			California	A golf course.
98	SE		Dinosaur Point			California	A site used by SJAA and TAC
99	E		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
99	NE		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
99	NE		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
100	SE		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
100	SE		La Mesa Urban Observatory			California	A private observatory in Monterey.
101	E		Turlock			California	A town in Stanislaus county.
101	S		Carmel			California
101	SE		Maple's Observatory			California	A private observatory somewhere around Salinas.
102	E		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
102	NE		Penryn			California
104	NE		Buena Vista Observatory			California	A private observatory.
108	NE		Auburn			California	Forecast also covers the Auburn State Recreation Area
110	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.
112	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
113	E		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
113	E		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
115	SE		Tularcitos Observatory			California	A site used by the Mira Observers Group
116	NW		Mendocino			California
117	NE		Penn Valley			California
120	NE		Rock Hill Observatory			California	A private observatory in Grass Valley.

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