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			Castro Valley			California
2	N		Barking Spider Observatory			California	A private observatory near Castro Valley.
9	NE		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
10	N		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
10	NW		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
11	SE		Fremont			California	The town in Alameda country.
13	NW		Oakland			California
< 15			DarkSights Observatory			California	A private observatory.
15	NW		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
16	NE		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
16	SW		San Mateo			California
17	E		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
17	N		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
17	S		Menlo Park			California
17	SW		Ewell Observatory			California
18	N		Concord Observatory			California	A private observatory in Concord.
18	S		Menlo School			California	A school with an astronomy club. In Atherton
18	SW		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
19	N		Diablo Valley College			California	College near Concord.
19	W		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
20	S		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
20	S		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
21	S		Mountain View			California
21	W		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
22	N		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
22	W		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
23	E		Del Valle			California	Site details.
23	NW		Point Richmond			California
23	S		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
23	S		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
23	W		Pacifica			California
24	NW		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
25	S		Greenhawk Observatory			California	A private observatory.
25	SW		Half Moon Bay			California
26	NE		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
26	S		Cupertino			California
26	S		Montebello			California	Montebello Open Space Preserve is a site used by TAC
27	NE		Brentwood			California	Forecast also covers Byran and Oakley.
27	SE		San Jose			California	Home of the San Jose Astronomical Association.
30	N		Vallejo Observatory			California	A private observatory site close to Vallejo.
30	S		Saratoga			California
31	NW		San Rafael			California	A site used by the used by the Marin Observers.
32	NW		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).
32	S		Ross Creek Observatory			California	A private observatory in San Jose.
32	SE		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
34	S		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
34	SW		Pescadero			California
35	SE		Mount Hamilton			California	Home of the Lick Observatory.
36	E		Tracy Airport			California
37	NW		North Point Observatory			California	A private observatory.
38	SE		Santa Teresa Spring			California
39	NE		Rio Vista			California	A town in Solano county.
39	S		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
39	SE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
41	S		Holmes Observatory			California	A private observatory near Lompico.
41	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.
43	N		Napa			California
43	S		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
45	SE		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
46	N		Vacaville			California
46	NW		Sonoma			California
46	SE		Henry Coe State Park			California	A site used by SJAA and TAC
46	SE		Morgan Hill			California
47	NE		Stockton			California	Home of the Stockton Astronomical Society.
48	N		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
48	S		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
48	S		Davenport Beach			California	A beach in Davenport.
49	S		Cabrillo College Observatory			California	Observatory of Cabrillo College.
49	S		Hidden Valley Observatory			California	A private observatory near Soquel.
49	SE		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
50	S		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
53	NW		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		Lodi			California
54	NW		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
55	NW		Marshall			California	A town in Marin county by Tomales Bay.
56	NW		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
57	SE		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
60	E		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
60	SE		Newman Vista Point			California	A lookout on Interstate 5.
62	N		Davis			California	A town in Yolo county.
62	NW		Santa Rosa			California
63	NE		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
64	E		Green Acres Observatory			California	A private observatory.
64	N		Angwin			California
65	NW		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
65	SE		Pacheco State Park			California	A state park used as a dark sky site.
66	NE		Wilton			California
66	SE		Dinosaur Point			California	A site used by SJAA and TAC
68	NW		Occidental Observatory			California	Near Occidental.
69	E		Turlock			California	A town in Stanislaus county.
69	N		Esparto			California	Site used by the Davis Astronomers.
69	NE		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
69	NW		Forestville			California	A town in Sonoma county.
69	NW		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
72	N		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
72	SE		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
73	NW		The Bishop's Ranch			California	Retreat and conference center.
73	S		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
75	E		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
75	S		Maple's Observatory			California	A private observatory somewhere around Salinas.
77	S		Cypress Point Club			California	A golf course.
77	S		La Mesa Urban Observatory			California	A private observatory in Monterey.
78	NE		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
79	NE		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
79	S		Carmel			California
80	NW		Vista Trail			California	Trail and overlook in Sonoma County.
84	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
87	NE		Sierra Skies Observatory			California	A private observatory.
88	E		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
88	NW		Lake Sonoma			California	A site used by TAC
89	NE		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
91	NE		Buena Vista Observatory			California	A private observatory.
91	S		Tularcitos Observatory			California	A site used by the Mira Observers Group
92	E		Merced			California
93	N		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
94	NE		Penryn			California
94	NE		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
94	SE		Panoche Pass			California
95	E		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
95	NE		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
96	SE		D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
97	N		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
97	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.
97	NW		Taylor Observatory			California	A community Observatory in Kelseyville.
98	SE		Pinnacles Campground			California	Campground at the east entrance of Pinnacles National Park.
100	NE		Auburn			California	Forecast also covers the Auburn State Recreation Area
100	S		MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
101	N		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
101	NE		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
101	S		Pfeiffer Big Sur State Park			California	State park in Big Sur.
102	E		Arnold Observatory			California	A private observatory.
102	NW		Sea Ranch			California	A private ranch near Gualala.
103	NE		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
104	E		Greeley Hill Observatory			California	A private observatory near Coulterville.
104	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
106	NE		Rancho Del Sol Observatory			California	A private observatory near Camino.
107	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.
108	NW		Gualala			California
109	E		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
113	NE		Rock Hill Observatory			California	A private observatory in Grass Valley.
113	NW		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
114	NE		Foresthill			California
114	NE		Penn Valley			California
116	NE		Peddler Hill			California	A site used by the Stockton Astronomical Society.
118	E		Mariposa Fairgrounds			California	Fairgrounds in Mariposa county.
118	NW		Lookout Ranch			California	A private ranch.
119	NE		Ice House Observation Plateau			California
119	S		Limekiln State Park			California	State park near Big Sur. Forcast also covers the lookout tower at Cone Peak.
121	E		Eastman Lake Recreation Area			California	Recreation area used by the Central Valley Astronomers.
121	NE		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
121	NE		Shot Rock			California	A spot along the Carson Pass Highway.
121	SE		Mendota Wildlife Area			California	A wildlife area a few files north-east of Tranquillity.
122	NE		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
122	NW		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
123	NE		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
123	NE		Nevada City			California
124	E		Lee DaSilva Observatory			California	A private observatory near Madera.
124	SE		Condon Peak Campground			California	A campground on BLM land.
126	E		Donnell Vista			California	A recreation area in the Stanislaus National Forest.
128	E		Hensley Lake			California	Regular observing site of the Central Valley Astronomers.
128	N		Feather River Observatory			California	A private observatory in Oroville.
131	E		Artis Observatory			California	A private observatory somewhere around Yosemite Lakes.
131	NE		Blue Canyon			California	Airport site used by the Sacramento Valley Astronomical Society.
132	E		Ahwahnee Hills Observatory			California	A private observatory located in Ahwahnee.
133	E		Coarsegold			California
134	E		Horsetail Fall			California	A seasonal waterfall in Yosemite National Park.
137	E		Bayt Observatory			California	A private observatory near Coarsegold.
137	E		Glacier Point			California	A site of public star parties. In Yosemite National Park.
137	E		HOLT Observatory			California	A private observatory.
138	NE		Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
140	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
141	N		Big Bird Observatory			California	A private observatory near Paradise.
142	SE		SkiesAway Remote Observatories			California	A commerical observatory hosting remote telescopes.
143	NE		South Lake Tahoe			California
143	SE		Fresno			California	Home of the Central Valley Astronomers.
144	N		Meadow View Observatory			California	A private observatory.
144	SE		Lake San Antonio			California	A site used by SJAA and TAC
145	N		Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
145	N		Paradise			California
145	NW		Mendocino			California
147	N		Buckhorn Recreation Area			California	Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
147	NE		Sierra Stars Observatory			California	A private observatory near Paynesville.
148	NE		Bertucci's Sky			Nevada	A private observatory.
149	NE		Saddleback Observatory			California	A private observatory.
150	NE		Northstar Ski Resort			California	Resort and site of commercial star tours. Near Lake Tahoe.
151	NE		Monitor Pass			California
152	N		Little Grass Valley Reservoir			California	Rservoir surounded by Little Grass Valley Recreation Area with several campgrounds.
153	E		Sierra Remote Observatories			California	A group of observatories in the Sierra Nevada Mountains of California, dedicated to state-of-the-art robotic/remote imaging and data acquisition.
153	NE		Gardnerville			Nevada
154	SE		Parkfield			California	A town in Monterey county.
155	NE		Cottontail Observatory			California	A private observatory somewhere around Walker.
155	NE		Martis Creek Campground			California	A site used by the Astronomical Society of Nevada.
155	NE		Ruhenstroth Observatory			Nevada	A private observatory somewhere around Gardnerville.
155	NW		Starry Kingdom Observatory			California	A private observatory in Laytonville.
156	NE		Sand Point			Nevada	In Lake Tahoe Nevada State Park, Near Incline Village.
156	SE		Ranchita Canyon Observatory			California	A private observatory Monterey County.
157	E		Lost Valley Observatory			California	A private observatory between Yosemite and Kings Canyon in the Sierra Nevada Mountains.
158	E		Shaver Lake			California
158	NE		Virgo Skyline Observatory.			Nevada	A private observatory.
159	SE		Lemoore			California	A town in Kings county.
160	E		Bridgeport Lake Private Observatory			California	A private observatory in Bridgeport Valley.
161	E		Conway Summit			California	A dark site 12 miles north of Lee Vinning in Mono County.
161	NE		Jack C. Davis Observatory			Nevada	Observatory of the Western Nevada Community College. Affiliated with the Western Nevada Astronomical Society. In Carson City
162	SE		Cuesta College - North County Campus			California	A campus of Cuesta College. Site of star parties held by the Central Coast Astronomical Society.
164	NE		Wellington			Nevada
164	SE		Hanford			California
165	E		Yamada Observatory			California	A private observatory in Wonder Valley, east of Fresno.
166	SE		Redman Observatory			California	A private observatory.
167	N		Quincy			California	A site of the RECON project
167	NE		Washoe Zephyr Observatory			Nevada	A private observatory in Washoe Valley.
170	E		Bodie			California
170	E		Crestview			California	A hill site near Crestview, a few miles north-west of Mammoth Lakes in Inyo National Forest.
170	E		Mammoth Observatory			California	A private observatory near Mammoth Lakes.
170	NE		Portola			California	A site of the RECON project
171	SE		Atascadero			California
172	NE		Maclean Observatory			Nevada	Observatory of the University of Nevada, Reno.
174	SE		Cerro Alto Campground			California	Campground 8 miles from Morro Bay
176	E		Courtright Reservoir			California	Observing site used by the Central Valley Astronomers
176	NE		Reno			Nevada	Home of the Astronomical Society of Nevada.
177	NE		Fleischmann Planetarium and Science Center			Nevada	Planetarium and science center in Reno.
177	NE		Trapshoot			California	Public site used by Astronomical Society of Nevada. Near Chilcoot.
180	N		Greenville			California	A site of the RECON project
180	NE		Deer Lodge Site			Nevada	North of Reno. A site on Deer Lodge road used by the Astronomical Society of Nevada.
180	SE		Bowen Observatory			California	Observatory of Cuesta College.

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