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			Occidental Observatory			California	Near Occidental.
4	NE		Forestville			California	A town in Sonoma county.
9	E		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
9	N		The Bishop's Ranch			California	Retreat and conference center.
11	E		Santa Rosa			California
14	W		Vista Trail			California	Trail and overlook in Sonoma County.
15	SE		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
16	NE		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
18	S		Marshall			California	A town in Marin county by Tomales Bay.
22	E		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
22	N		Lake Sonoma			California	A site used by TAC
27	E		Sonoma			California
27	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.
28	NE		Angwin			California
31	SE		North Point Observatory			California	A private observatory.
35	NE		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
35	NW		Sea Ranch			California	A private ranch near Gualala.
36	E		Napa			California
37	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
37	SE		San Rafael			California	A site used by the used by the Marin Observers.
38	N		Taylor Observatory			California	A community Observatory in Kelseyville.
39	SE		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).
41	N		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
41	NW		Gualala			California
44	SE		Vallejo Observatory			California	A private observatory site close to Vallejo.
45	E		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
45	SE		Point Richmond			California
46	SE		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
48	SE		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
49	NE		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
50	NW		Lookout Ranch			California	A private ranch.
51	E		Vacaville			California
51	SE		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
52	E		Esparto			California	Site used by the Davis Astronomers.
52	N		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
52	SE		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
53	SE		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
54	SE		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
55	SE		Oakland			California
56	SE		Diablo Valley College			California	College near Concord.
58	N		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
58	SE		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
59	SE		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
60	SE		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
61	SE		Pacifica			California
62	SE		Concord Observatory			California	A private observatory in Concord.
64	E		Davis			California	A town in Yolo county.
66	SE		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
67	SE		Barking Spider Observatory			California	A private observatory near Castro Valley.
67	SE		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
68	SE		Castro Valley			California
68	SE		San Mateo			California
69	E		Rio Vista			California	A town in Solano county.
69	S		Half Moon Bay			California
69	SE		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
69	SE		DarkSights Observatory			California	A private observatory.
70	SE		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
71	SE		Ewell Observatory			California
72	NE		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
73	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
75	SE		Brentwood			California	Forecast also covers Byran and Oakley.
78	E		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
78	NW		Mendocino			California
78	SE		Menlo Park			California
78	SE		Menlo School			California	A school with an astronomy club. In Atherton
79	SE		Fremont			California	The town in Alameda country.
80	SE		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
81	SE		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
81	SE		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
83	SE		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
84	E		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
84	NE		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
85	SE		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
85	SE		Mountain View			California
86	S		Pescadero			California
86	SE		Montebello			California	Montebello Open Space Preserve is a site used by TAC
88	SE		Del Valle			California	Site details.
89	SE		Greenhawk Observatory			California	A private observatory.
90	E		Wilton			California
90	NE		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
90	SE		Cupertino			California
91	N		Starry Kingdom Observatory			California	A private observatory in Laytonville.
92	E		Lodi			California
93	SE		San Jose			California	Home of the San Jose Astronomical Association.
94	E		Stockton			California	Home of the Stockton Astronomical Society.
94	SE		Saratoga			California
95	E		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
95	SE		Tracy Airport			California
97	SE		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
97	SE		Ross Creek Observatory			California	A private observatory in San Jose.
99	E		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
99	E		Penryn			California
100	N		Buckhorn Recreation Area			California	Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
100	SE		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
101	E		Sierra Skies Observatory			California	A private observatory.
102	SE		Mount Hamilton			California	Home of the Lick Observatory.
103	SE		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
103	SE		Holmes Observatory			California	A private observatory near Lompico.
103	SE		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
105	E		Auburn			California	Forecast also covers the Auburn State Recreation Area
105	NE		BREIT IDEAS Observatory			California	A private observatory.
105	S		Davenport Beach			California	A beach in Davenport.
105	SE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
106	NE		Feather River Observatory			California	A private observatory in Oroville.
106	SE		Santa Teresa Spring			California
107	E		Buena Vista Observatory			California	A private observatory.
108	NE		Penn Valley			California
108	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.
109	SE		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
111	NE		Meadow View Observatory			California	A private observatory.
111	SE		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
112	E		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
112	NE		Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
112	SE		Hidden Valley Observatory			California	A private observatory near Soquel.
113	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.
113	NE		Rock Hill Observatory			California	A private observatory in Grass Valley.
113	SE		Cabrillo College Observatory			California	Observatory of Cabrillo College.
113	SE		Henry Coe State Park			California	A site used by SJAA and TAC
113	SE		Morgan Hill			California
114	NE		Big Bird Observatory			California	A private observatory near Paradise.
116	NE		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
116	NE		Paradise			California
116	NE		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
117	E		Green Acres Observatory			California	A private observatory.
117	SE		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
118	NE		Nevada City			California
118	SE		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.

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