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			Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
6	E		Vacaville			California
12	SW		Napa			California
19	S		Vallejo Observatory			California	A private observatory site close to Vallejo.
21	N		Esparto			California	Site used by the Davis Astronomers.
21	W		Sonoma			California
22	NE		Davis			California	A town in Yolo county.
23	NW		Angwin			California
23	W		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
27	NW		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
27	S		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
27	SE		Rio Vista			California	A town in Solano county.
28	S		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
29	S		Diablo Valley College			California	College near Concord.
29	SW		North Point Observatory			California	A private observatory.
31	SE		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
31	W		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
32	S		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
32	S		Concord Observatory			California	A private observatory in Concord.
34	W		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
34	W		Santa Rosa			California
35	E		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
36	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
36	S		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
36	S		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
36	SW		Point Richmond			California
37	SW		San Rafael			California	A site used by the used by the Marin Observers.
37	W		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
38	S		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
38	SE		Brentwood			California	Forecast also covers Byran and Oakley.
39	E		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
40	S		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
42	S		Oakland			California
43	SW		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).
43	W		Forestville			California	A town in Sonoma county.
43	W		The Bishop's Ranch			California	Retreat and conference center.
44	S		DarkSights Observatory			California	A private observatory.
44	S		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
45	E		Wilton			California
45	W		Occidental Observatory			California	Near Occidental.
46	N		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
46	SW		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
46	W		Marshall			California	A town in Marin county by Tomales Bay.
47	S		Barking Spider Observatory			California	A private observatory near Castro Valley.
47	SW		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
48	E		Lodi			California
48	S		Castro Valley			California
50	SW		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
52	E		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
52	S		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
53	SE		Stockton			California	Home of the Stockton Astronomical Society.
53	SW		Drakes Bay visitors center			California	Officially the Kenneth C. Patrick Vistor Center. Site of astronomy classes at the Point Reyes National Seashore national park.
54	NE		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
54	NW		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
56	NE		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
56	NW		Taylor Observatory			California	A community Observatory in Kelseyville.
57	NE		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
57	NW		Lake Sonoma			California	A site used by TAC
58	E		Sierra Skies Observatory			California	A private observatory.
58	S		Fremont			California	The town in Alameda country.
58	S		Pacifica			California
58	S		San Mateo			California
58	W		Vista Trail			California	Trail and overlook in Sonoma County.
59	NE		Penryn			California
59	S		Del Valle			California	Site details.
60	S		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
60	SE		Tracy Airport			California
61	S		Ewell Observatory			California
64	E		Buena Vista Observatory			California	A private observatory.
65	NE		Auburn			California	Forecast also covers the Auburn State Recreation Area
65	S		Half Moon Bay			California
65	S		Menlo Park			California
65	S		Menlo School			California	A school with an astronomy club. In Atherton
67	E		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
67	S		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
67	S		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
69	S		Mountain View			California
70	E		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.
71	S		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
71	S		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
72	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
72	NW		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
72	S		Greenhawk Observatory			California	A private observatory.
73	S		San Jose			California	Home of the San Jose Astronomical Association.
74	NE		Penn Valley			California
74	S		Cupertino			California
74	S		Montebello			California	Montebello Open Space Preserve is a site used by TAC
76	S		Mount Hamilton			California	Home of the Lick Observatory.
76	S		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
76	SE		Green Acres Observatory			California	A private observatory.
76	SE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
77	NE		Rock Hill Observatory			California	A private observatory in Grass Valley.
77	W		Sea Ranch			California	A private ranch near Gualala.
78	E		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
78	S		Saratoga			California
79	SE		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
80	S		Pescadero			California
80	S		Ross Creek Observatory			California	A private observatory in San Jose.
80	SE		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
81	NE		Foresthill			California
81	NE		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
82	E		Rancho Del Sol Observatory			California	A private observatory near Camino.
82	N		Feather River Observatory			California	A private observatory in Oroville.
82	NE		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
82	S		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
82	W		Gualala			California
83	NW		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
83	S		Santa Teresa Spring			California
84	NE		Nevada City			California
87	E		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
87	E		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
87	S		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
88	NW		Lookout Ranch			California	A private ranch.
88	S		Henry Coe State Park			California	A site used by SJAA and TAC
88	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.
89	S		Holmes Observatory			California	A private observatory near Lompico.
90	E		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
90	S		Morgan Hill			California
91	S		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
91	S		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
92	SE		Turlock			California	A town in Stanislaus county.
93	S		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
93	SE		Newman Vista Point			California	A lookout on Interstate 5.
94	N		Big Bird Observatory			California	A private observatory near Paradise.
96	E		Arnold Observatory			California	A private observatory.
96	E		Ice House Observation Plateau			California
96	NE		Blue Canyon			California	Airport site used by the Sacramento Valley Astronomical Society.
96	S		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
96	S		Davenport Beach			California	A beach in Davenport.
97	N		Meadow View Observatory			California	A private observatory.
97	S		Cabrillo College Observatory			California	Observatory of Cabrillo College.
97	S		Hidden Valley Observatory			California	A private observatory near Soquel.
97	SE		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
98	N		Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
98	N		Paradise			California
98	S		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
100	E		Peddler Hill			California	A site used by the Stockton Astronomical Society.
100	N		Buckhorn Recreation Area			California	Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
102	E		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
103	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
104	E		Shot Rock			California	A spot along the Carson Pass Highway.
104	SE		Pacheco State Park			California	A state park used as a dark sky site.
105	SE		Dinosaur Point			California	A site used by SJAA and TAC
108	E		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
109	NE		Saddleback Observatory			California	A private observatory.
110	NE		Little Grass Valley Reservoir			California	Rservoir surounded by Little Grass Valley Recreation Area with several campgrounds.
111	E		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
112	NW		Mendocino			California
113	SE		Greeley Hill Observatory			California	A private observatory near Coulterville.
115	NW		Starry Kingdom Observatory			California	A private observatory in Laytonville.
116	SE		Merced			California
117	E		Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
117	S		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
118	E		Donnell Vista			California	A recreation area in the Stanislaus National Forest.

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