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			SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
3	SE		Santa Rosa			California
7	W		Forestville			California	A town in Sonoma county.
8	NE		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
8	NW		The Bishop's Ranch			California	Retreat and conference center.
9	W		Occidental Observatory			California	Near Occidental.
10	SE		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
14	E		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
19	NE		Angwin			California
20	SE		Sonoma			California
21	W		Vista Trail			California	Trail and overlook in Sonoma County.
22	S		Marshall			California	A town in Marin county by Tomales Bay.
24	NW		Lake Sonoma			California	A site used by TAC
26	NE		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
28	SE		North Point Observatory			California	A private observatory.
29	SE		Napa			California
32	S		Drakes Bay visitors center			California	Officially the Kenneth C. Patrick Vistor Center. Site of astronomy classes at the Point Reyes National Seashore national park.
35	N		Taylor Observatory			California	A community Observatory in Kelseyville.
36	S		San Rafael			California	A site used by the used by the Marin Observers.
37	E		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
37	N		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
38	SE		Vallejo Observatory			California	A private observatory site close to Vallejo.
39	S		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).
40	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
41	NE		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
41	NW		Sea Ranch			California	A private ranch near Gualala.
41	SE		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
43	E		Vacaville			California
43	SE		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
43	SE		Point Richmond			California
44	E		Esparto			California	Site used by the Davis Astronomers.
46	NW		Gualala			California
49	SE		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
50	S		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
51	N		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
51	S		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
51	SE		Diablo Valley College			California	College near Concord.
53	S		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
53	SE		Oakland			California
54	NW		Lookout Ranch			California	A private ranch.
54	SE		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
55	SE		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
56	E		Davis			California	A town in Yolo county.
56	SE		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
57	SE		Concord Observatory			California	A private observatory in Concord.
58	NW		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
60	S		Pacifica			California
61	SE		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
61	SE		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
62	E		Rio Vista			California	A town in Solano county.
64	NE		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
64	SE		Barking Spider Observatory			California	A private observatory near Castro Valley.
65	SE		Castro Valley			California
65	SE		DarkSights Observatory			California	A private observatory.
66	SE		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
67	S		San Mateo			California
68	S		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
69	E		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
69	S		Half Moon Bay			California
69	SE		Brentwood			California	Forecast also covers Byran and Oakley.
70	S		Ewell Observatory			California
75	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
76	E		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
76	NE		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
76	SE		Fremont			California	The town in Alameda country.
76	SE		Menlo School			California	A school with an astronomy club. In Atherton
77	SE		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
77	SE		Menlo Park			California
79	SE		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
79	SE		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
81	NE		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
81	NW		Mendocino			California
82	E		Wilton			California
82	SE		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
83	SE		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
83	SE		Mountain View			California
84	E		Lodi			California
84	SE		Del Valle			California	Site details.
85	S		Montebello			California	Montebello Open Space Preserve is a site used by TAC
86	E		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
86	S		Pescadero			California
87	SE		Greenhawk Observatory			California	A private observatory.
87	SE		Stockton			California	Home of the Stockton Astronomical Society.
88	SE		Cupertino			California
90	E		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
90	E		Penryn			California
90	SE		Tracy Airport			California
91	NW		Starry Kingdom Observatory			California	A private observatory in Laytonville.
91	SE		San Jose			California	Home of the San Jose Astronomical Association.
92	E		Sierra Skies Observatory			California	A private observatory.
92	SE		Saratoga			California
95	SE		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
96	E		Auburn			California	Forecast also covers the Auburn State Recreation Area
96	N		Buckhorn Recreation Area			California	Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
96	SE		Ross Creek Observatory			California	A private observatory in San Jose.
97	SE		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
98	NE		Feather River Observatory			California	A private observatory in Oroville.
99	E		Buena Vista Observatory			California	A private observatory.
99	NE		Penn Valley			California
99	SE		Mount Hamilton			California	Home of the Lick Observatory.
101	SE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
101	SE		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
102	S		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
102	SE		Holmes Observatory			California	A private observatory near Lompico.
103	SE		Santa Teresa Spring			California
104	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.
104	E		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
104	NE		Meadow View Observatory			California	A private observatory.
105	NE		Rock Hill Observatory			California	A private observatory in Grass Valley.
105	S		Davenport Beach			California	A beach in Davenport.
106	NE		Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
106	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.
107	NE		Big Bird Observatory			California	A private observatory near Paradise.
107	NE		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
108	NE		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
108	S		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
109	NE		Nevada City			California
109	NE		Paradise			California
110	S		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
110	SE		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
110	SE		Green Acres Observatory			California	A private observatory.
110	SE		Henry Coe State Park			California	A site used by SJAA and TAC
110	SE		Morgan Hill			California
111	E		Foresthill			California
111	SE		Cabrillo College Observatory			California	Observatory of Cabrillo College.
111	SE		Hidden Valley Observatory			California	A private observatory near Soquel.
112	SE		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
114	E		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
114	SE		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
116	E		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
117	E		Rancho Del Sol Observatory			California	A private observatory near Camino.

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