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			Vacaville			California
6	W		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
17	W		Napa			California
19	NE		Davis			California	A town in Yolo county.
20	SW		Vallejo Observatory			California	A private observatory site close to Vallejo.
21	SE		Rio Vista			California	A town in Solano county.
23	N		Esparto			California	Site used by the Davis Astronomers.
26	S		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
26	W		Sonoma			California
27	S		Diablo Valley College			California	College near Concord.
28	SW		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
29	NW		Angwin			California
29	S		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
29	S		Concord Observatory			California	A private observatory in Concord.
29	SW		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
29	W		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
31	NE		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
32	NW		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
33	S		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
33	SE		Brentwood			California	Forecast also covers Byran and Oakley.
33	SW		North Point Observatory			California	A private observatory.
34	E		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
36	S		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
36	SW		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
37	SW		Point Richmond			California
37	W		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
39	E		Wilton			California
39	S		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
40	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
40	SW		San Rafael			California	A site used by the used by the Marin Observers.
40	W		Santa Rosa			California
41	S		Oakland			California
41	W		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
42	E		Lodi			California
42	S		DarkSights Observatory			California	A private observatory.
42	S		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
43	W		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
45	S		Barking Spider Observatory			California	A private observatory near Castro Valley.
46	S		Castro Valley			California
46	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).
47	E		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
47	N		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
47	SE		Stockton			California	Home of the Stockton Astronomical Society.
47	SW		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
48	S		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
48	SW		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
50	W		Forestville			California	A town in Sonoma county.
50	W		The Bishop's Ranch			California	Retreat and conference center.
51	SW		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
51	W		Marshall			California	A town in Marin county by Tomales Bay.
51	W		Occidental Observatory			California	Near Occidental.
52	NE		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
53	NE		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
53	NE		Sierra Skies Observatory			California	A private observatory.
55	S		Del Valle			California	Site details.
55	SE		Tracy Airport			California
56	N		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
56	NE		Penryn			California
56	S		Fremont			California	The town in Alameda country.
58	S		San Mateo			California
58	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.
58	SW		Pacifica			California
60	E		Buena Vista Observatory			California	A private observatory.
60	NW		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
60	S		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
61	E		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
61	S		Ewell Observatory			California
62	NE		Auburn			California	Forecast also covers the Auburn State Recreation Area
62	NW		Taylor Observatory			California	A community Observatory in Kelseyville.
63	NW		Lake Sonoma			California	A site used by TAC
63	S		Menlo Park			California
63	S		Menlo School			California	A school with an astronomy club. In Atherton
64	W		Vista Trail			California	Trail and overlook in Sonoma County.
65	SW		Half Moon Bay			California
66	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.
66	S		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
66	S		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
67	S		Mountain View			California
69	S		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
69	S		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
70	S		Greenhawk Observatory			California	A private observatory.
70	SE		Green Acres Observatory			California	A private observatory.
71	S		San Jose			California	Home of the San Jose Astronomical Association.
72	E		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
72	NE		Penn Valley			California
72	S		Cupertino			California
72	S		Montebello			California	Montebello Open Space Preserve is a site used by TAC
72	S		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
72	SE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
73	S		Mount Hamilton			California	Home of the Lick Observatory.
74	NE		Rock Hill Observatory			California	A private observatory in Grass Valley.
74	SE		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
74	SE		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
76	S		Saratoga			California
77	E		Rancho Del Sol Observatory			California	A private observatory near Camino.
77	NE		Foresthill			California
77	S		Ross Creek Observatory			California	A private observatory in San Jose.
78	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
78	NW		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
79	NE		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
79	S		Pescadero			California
79	S		Santa Teresa Spring			California
80	NE		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
80	S		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
81	E		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
81	E		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
82	N		Feather River Observatory			California	A private observatory in Oroville.
82	NE		Nevada City			California
83	W		Sea Ranch			California	A private ranch near Gualala.
84	E		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
84	S		Henry Coe State Park			California	A site used by SJAA and TAC
84	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.
84	S		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
86	SE		Turlock			California	A town in Stanislaus county.
87	S		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
87	S		Holmes Observatory			California	A private observatory near Lompico.
87	S		Morgan Hill			California
87	SE		Newman Vista Point			California	A lookout on Interstate 5.
88	W		Gualala			California
89	NW		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
89	S		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
89	S		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
90	E		Arnold Observatory			California	A private observatory.
91	E		Ice House Observation Plateau			California
93	NE		Blue Canyon			California	Airport site used by the Sacramento Valley Astronomical Society.
93	S		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
94	E		Peddler Hill			California	A site used by the Stockton Astronomical Society.
94	NW		Lookout Ranch			California	A private ranch.
94	S		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
94	S		Cabrillo College Observatory			California	Observatory of Cabrillo College.
94	S		Davenport Beach			California	A beach in Davenport.
95	N		Big Bird Observatory			California	A private observatory near Paradise.
95	S		Hidden Valley Observatory			California	A private observatory near Soquel.
96	E		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
96	S		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
98	N		Meadow View Observatory			California	A private observatory.
99	E		Shot Rock			California	A spot along the Carson Pass Highway.
99	N		Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
99	N		Paradise			California
99	SE		Pacheco State Park			California	A state park used as a dark sky site.
100	SE		Dinosaur Point			California	A site used by SJAA and TAC
102	E		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
103	N		Buckhorn Recreation Area			California	Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
106	E		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
107	NE		Saddleback Observatory			California	A private observatory.
107	SE		Greeley Hill Observatory			California	A private observatory near Coulterville.
109	NE		Little Grass Valley Reservoir			California	Rservoir surounded by Little Grass Valley Recreation Area with several campgrounds.
109	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
110	SE		Merced			California
112	E		Donnell Vista			California	A recreation area in the Stanislaus National Forest.
112	E		Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
114	S		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
115	SE		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	E		South Lake Tahoe			California
117	NE		Northstar Ski Resort			California	Resort and site of commercial star tours. Near Lake Tahoe.
118	NW		Mendocino			California
118	S		Maple's Observatory			California	A private observatory somewhere around Salinas.
118	S		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.

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