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			Drakes Bay visitors center			California	Officially the Kenneth C. Patrick Vistor Center. Site of astronomy classes at the Point Reyes National Seashore national park.
10	N		Marshall			California	A town in Marin county by Tomales Bay.
21	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).
24	E		San Rafael			California	A site used by the used by the Marin Observers.
25	E		North Point Observatory			California	A private observatory.
27	N		Occidental Observatory			California	Near Occidental.
27	NE		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
31	N		Forestville			California	A town in Sonoma county.
32	E		Point Richmond			California
32	N		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
32	NE		Santa Rosa			California
32	SE		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
33	N		Vista Trail			California	Trail and overlook in Sonoma County.
33	NE		Sonoma			California
34	SE		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
34	SE		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
36	N		The Bishop's Ranch			California	Retreat and conference center.
38	E		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
38	NE		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
39	SE		Pacifica			California
40	E		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
40	N		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
41	E		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
41	E		Oakland			California
41	E		Vallejo Observatory			California	A private observatory site close to Vallejo.
41	NE		Napa			California
45	E		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
46	SE		Half Moon Bay			California
47	NE		Angwin			California
47	SE		San Mateo			California
48	N		Lake Sonoma			California	A site used by TAC
48	SE		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
49	E		Diablo Valley College			California	College near Concord.
49	E		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
51	E		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
51	SE		Ewell Observatory			California
53	NE		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
53	SE		Barking Spider Observatory			California	A private observatory near Castro Valley.
53	SE		Castro Valley			California
54	NW		Sea Ranch			California	A private ranch near Gualala.
55	E		Concord Observatory			California	A private observatory in Concord.
56	NE		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
57	E		DarkSights Observatory			California	A private observatory.
58	E		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
58	NE		Vacaville			California
58	SE		Menlo Park			California
58	SE		Menlo School			California	A school with an astronomy club. In Atherton
59	E		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
60	NW		Gualala			California
60	SE		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
61	N		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
61	SE		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
62	SE		Pescadero			California
63	E		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
63	SE		Fremont			California	The town in Alameda country.
63	SE		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
65	SE		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
65	SE		Montebello			California	Montebello Open Space Preserve is a site used by TAC
65	SE		Mountain View			California
66	N		Taylor Observatory			California	A community Observatory in Kelseyville.
68	N		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
69	E		Brentwood			California	Forecast also covers Byran and Oakley.
69	E		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
69	NE		Esparto			California	Site used by the Davis Astronomers.
70	E		Rio Vista			California	A town in Solano county.
70	SE		Cupertino			California
70	SE		Greenhawk Observatory			California	A private observatory.
72	NE		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
72	NW		Lookout Ranch			California	A private ranch.
74	SE		Saratoga			California
75	NE		Davis			California	A town in Yolo county.
75	SE		San Jose			California	Home of the San Jose Astronomical Association.
76	SE		Del Valle			California	Site details.
76	SE		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
78	SE		Ross Creek Observatory			California	A private observatory in San Jose.
79	N		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
80	SE		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
81	SE		Holmes Observatory			California	A private observatory near Lompico.
82	SE		Davenport Beach			California	A beach in Davenport.
82	SE		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
83	SE		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
84	N		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
86	SE		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
87	E		Tracy Airport			California
87	SE		Mount Hamilton			California	Home of the Lick Observatory.
88	NE		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
88	SE		Santa Teresa Spring			California
89	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.
89	SE		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
90	E		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
91	E		Stockton			California	Home of the Stockton Astronomical Society.
91	SE		Cabrillo College Observatory			California	Observatory of Cabrillo College.
91	SE		Hidden Valley Observatory			California	A private observatory near Soquel.
92	E		Lodi			California
92	NE		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
92	SE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
94	SE		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
95	SE		Morgan Hill			California
96	E		Wilton			California
97	N		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
97	SE		Henry Coe State Park			California	A site used by SJAA and TAC
100	NW		Mendocino			California
100	SE		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
104	E		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
104	NE		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
106	NE		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
108	SE		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
111	E		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
111	NE		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
111	NE		Sierra Skies Observatory			California	A private observatory.
112	E		Green Acres Observatory			California	A private observatory.
113	NE		Penryn			California
113	SE		Newman Vista Point			California	A lookout on Interstate 5.
114	SE		Cypress Point Club			California	A golf course.
114	SE		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
115	E		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
116	N		Starry Kingdom Observatory			California	A private observatory in Laytonville.
116	SE		La Mesa Urban Observatory			California	A private observatory in Monterey.
117	NE		Buena Vista Observatory			California	A private observatory.
117	SE		Carmel			California
117	SE		Pacheco State Park			California	A state park used as a dark sky site.
118	NE		Auburn			California	Forecast also covers the Auburn State Recreation Area
119	SE		Dinosaur Point			California	A site used by SJAA and TAC
119	SE		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
119	SE		Maple's Observatory			California	A private observatory somewhere around Salinas.
121	E		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
121	E		Turlock			California	A town in Stanislaus county.
123	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.
125	NE		Penn Valley			California
127	N		Buckhorn Recreation Area			California	Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
128	NE		Feather River Observatory			California	A private observatory in Oroville.
129	E		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
129	NE		Rock Hill Observatory			California	A private observatory in Grass Valley.
132	E		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
132	SE		Tularcitos Observatory			California	A site used by the Mira Observers Group
133	NE		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
134	NE		Foresthill			California
134	NE		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
135	E		Rancho Del Sol Observatory			California	A private observatory near Camino.
135	NE		Meadow View Observatory			California	A private observatory.
135	NE		Nevada City			California
137	NE		Big Bird Observatory			California	A private observatory near Paradise.
137	NE		Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
138	E		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
139	E		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
139	SE		Pfeiffer Big Sur State Park			California	State park in Big Sur.
140	NE		Paradise			California
142	SE		MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
143	E		Arnold Observatory			California	A private observatory.
143	E		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
144	SE		Panoche Pass			California
145	E		Merced			California
146	SE		Pinnacles Campground			California	Campground at the east entrance of Pinnacles National Park.
147	SE		D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
148	NE		Blue Canyon			California	Airport site used by the Sacramento Valley Astronomical Society.
149	E		Ice House Observation Plateau			California
151	E		Peddler Hill			California	A site used by the Stockton Astronomical Society.
151	NW		Shelter Cove			California	A town in Humboldt county.
153	E		Greeley Hill Observatory			California	A private observatory near Coulterville.
153	E		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
156	E		Shot Rock			California	A spot along the Carson Pass Highway.
158	E		Plettstone			California	Home of the Dale Jay Steed Observatory, a private observatory. A site used by members of TAC and the SJAA. Near Mariposa.
158	NE		Little Grass Valley Reservoir			California	Rservoir surounded by Little Grass Valley Recreation Area with several campgrounds.
158	NE		Saddleback Observatory			California	A private observatory.
159	SE		Limekiln State Park			California	State park near Big Sur. Forcast also covers the lookout tower at Cone Peak.
161	E		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
166	E		Donnell Vista			California	A recreation area in the Stanislaus National Forest.
167	N		Cottonwood			California	A town in Shasta county.
169	E		Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
169	E		Mariposa Fairgrounds			California	Fairgrounds in Mariposa county.
171	NE		Quincy			California	A site of the RECON project
173	E		Eastman Lake Recreation Area			California	Recreation area used by the Central Valley Astronomers.
173	E		South Lake Tahoe			California
174	NE		Northstar Ski Resort			California	Resort and site of commercial star tours. Near Lake Tahoe.
174	SE		Condon Peak Campground			California	A campground on BLM land.
174	SE		Mendota Wildlife Area			California	A wildlife area a few files north-east of Tranquillity.
177	NE		Martis Creek Campground			California	A site used by the Astronomical Society of Nevada.
177	SE		Lee DaSilva Observatory			California	A private observatory near Madera.
178	N		Whiskeytown National Recreation Area			California	A national recreation area west of Redding. This chart is centered on the parking lot of the Shasta Mine Loop Trailhead. It is site of astronomy programs led by the park rangers and is used as an observing site by the Shasta Astronomy Club.
179	N		Schreder Planetarium			California	A planetarium with public observing sessions. In Redding.
179	N		Wilson Hill Observatory			California	A private observatory near Shingletown.
180	E		Hensley Lake			California	Regular observing site of the Central Valley Astronomers.

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