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			Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
1	E		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
2	N		Menlo Park			California
2	N		Menlo School			California	A school with an astronomy club. In Atherton
4	S		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
5	SE		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
6	S		Montebello			California	Montebello Open Space Preserve is a site used by TAC
6	SE		Mountain View			California
9	NW		Ewell Observatory			California
10	SE		Greenhawk Observatory			California	A private observatory.
11	SE		Cupertino			California
12	NW		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
13	NW		San Mateo			California
14	NE		Fremont			California	The town in Alameda country.
14	SE		Saratoga			California
16	SE		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
16	SW		Pescadero			California
16	W		Half Moon Bay			California
17	E		San Jose			California	Home of the San Jose Astronomical Association.
18	SE		Ross Creek Observatory			California	A private observatory in San Jose.
20	N		Castro Valley			California
21	N		Barking Spider Observatory			California	A private observatory near Castro Valley.
21	NW		Pacifica			California
23	S		Holmes Observatory			California	A private observatory near Lompico.
23	SE		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
24	S		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
26	E		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
26	NE		DarkSights Observatory			California	A private observatory.
27	N		Oakland			California
27	NE		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
27	NW		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
28	N		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
28	NW		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
28	S		Davenport Beach			California	A beach in Davenport.
29	N		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
29	NE		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
29	NW		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
29	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.
29	SE		Santa Teresa Spring			California
30	E		Mount Hamilton			California	Home of the Lick Observatory.
30	NE		Del Valle			California	Site details.
30	S		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
32	N		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
32	S		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
32	SE		Hidden Valley Observatory			California	A private observatory near Soquel.
33	SE		Cabrillo College Observatory			California	Observatory of Cabrillo College.
34	SE		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
35	NE		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
35	SE		Morgan Hill			California
36	N		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
36	N		Point Richmond			California
38	E		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
38	N		Concord Observatory			California	A private observatory in Concord.
38	N		Diablo Valley College			California	College near Concord.
38	SE		Henry Coe State Park			California	A site used by SJAA and TAC
40	N		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
41	N		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
41	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).
41	SE		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
43	NW		San Rafael			California	A site used by the used by the Marin Observers.
44	NE		Brentwood			California	Forecast also covers Byran and Oakley.
45	NE		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
45	NE		Tracy Airport			California
49	N		Vallejo Observatory			California	A private observatory site close to Vallejo.
50	SE		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
51	N		North Point Observatory			California	A private observatory.
56	S		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
58	NE		Rio Vista			California	A town in Solano county.
59	S		Cypress Point Club			California	A golf course.
59	SE		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
59	SE		Pacheco State Park			California	A state park used as a dark sky site.
60	E		Newman Vista Point			California	A lookout on Interstate 5.
60	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.
60	S		La Mesa Urban Observatory			California	A private observatory in Monterey.
60	SE		Maple's Observatory			California	A private observatory somewhere around Salinas.
61	N		Napa			California
61	NE		Stockton			California	Home of the Stockton Astronomical Society.
61	S		Carmel			California
61	SE		Dinosaur Point			California	A site used by SJAA and TAC
62	N		Sonoma			California
64	NW		Marshall			California	A town in Marin county by Tomales Bay.
66	N		Vacaville			California
67	E		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
67	N		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
69	N		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
70	NE		Lodi			California
73	E		Turlock			California	A town in Stanislaus county.
73	N		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
74	E		Green Acres Observatory			California	A private observatory.
74	SE		Tularcitos Observatory			California	A site used by the Mira Observers Group
76	N		Santa Rosa			California
79	NW		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
80	NW		Occidental Observatory			California	Near Occidental.
81	N		Angwin			California
81	N		Davis			California	A town in Yolo county.
81	NE		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
82	NW		Forestville			California	A town in Sonoma county.
84	N		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
84	NE		Wilton			California
84	S		Pfeiffer Big Sur State Park			California	State park in Big Sur.
84	SE		MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
85	SE		Panoche Pass			California
86	NW		The Bishop's Ranch			California	Retreat and conference center.
86	SE		Pinnacles Campground			California	Campground at the east entrance of Pinnacles National Park.
87	NE		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
88	N		Esparto			California	Site used by the Davis Astronomers.
88	SE		D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
89	N		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
89	NE		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
91	NW		Vista Trail			California	Trail and overlook in Sonoma County.
93	NE		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
94	E		Merced			California
98	NE		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
100	NE		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
102	NW		Lake Sonoma			California	A site used by TAC
103	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
103	S		Limekiln State Park			California	State park near Big Sur. Forcast also covers the lookout tower at Cone Peak.
104	E		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
105	NE		Sierra Skies Observatory			California	A private observatory.
108	NE		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
109	NE		Buena Vista Observatory			California	A private observatory.
111	NE		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
112	E		Greeley Hill Observatory			California	A private observatory near Coulterville.
113	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.
113	N		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
113	N		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
113	N		Taylor Observatory			California	A community Observatory in Kelseyville.
113	NE		Penryn			California
113	NW		Sea Ranch			California	A private ranch near Gualala.
114	N		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
114	SE		Condon Peak Campground			California	A campground on BLM land.
115	NE		Arnold Observatory			California	A private observatory.
115	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.
115	NE		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
117	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
117	SE		Mendota Wildlife Area			California	A wildlife area a few files north-east of Tranquillity.
118	NE		Auburn			California	Forecast also covers the Auburn State Recreation Area
118	NW		Gualala			California
119	NE		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
120	NE		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
121	N		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
123	E		Eastman Lake Recreation Area			California	Recreation area used by the Central Valley Astronomers.
123	E		Lee DaSilva Observatory			California	A private observatory near Madera.
123	E		Mariposa Fairgrounds			California	Fairgrounds in Mariposa county.
123	NE		Rancho Del Sol Observatory			California	A private observatory near Camino.
128	E		Hensley Lake			California	Regular observing site of the Central Valley Astronomers.
128	SE		SkiesAway Remote Observatories			California	A commerical observatory hosting remote telescopes.
129	N		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
130	NW		Lookout Ranch			California	A private ranch.
130	SE		Lake San Antonio			California	A site used by SJAA and TAC
132	E		Artis Observatory			California	A private observatory somewhere around Yosemite Lakes.
132	NE		Peddler Hill			California	A site used by the Stockton Astronomical Society.
133	NE		Foresthill			California
133	NE		Rock Hill Observatory			California	A private observatory in Grass Valley.
134	NE		Penn Valley			California
135	E		Coarsegold			California
136	E		Ahwahnee Hills Observatory			California	A private observatory located in Ahwahnee.
136	NE		Ice House Observation Plateau			California
136	NE		Shot Rock			California	A spot along the Carson Pass Highway.
137	NE		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
137	NW		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
139	NE		Donnell Vista			California	A recreation area in the Stanislaus National Forest.
140	E		Bayt Observatory			California	A private observatory near Coarsegold.
140	NE		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
141	E		Fresno			California	Home of the Central Valley Astronomers.
141	E		HOLT Observatory			California	A private observatory.
141	E		Horsetail Fall			California	A seasonal waterfall in Yosemite National Park.
141	NE		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
142	NE		Nevada City			California
143	SE		Parkfield			California	A town in Monterey county.
143	SE		Ranchita Canyon Observatory			California	A private observatory Monterey County.
144	E		Glacier Point			California	A site of public star parties. In Yosemite National Park.
148	N		Feather River Observatory			California	A private observatory in Oroville.
148	SE		Cuesta College - North County Campus			California	A campus of Cuesta College. Site of star parties held by the Central Coast Astronomical Society.
150	NE		Blue Canyon			California	Airport site used by the Sacramento Valley Astronomical Society.
153	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
153	SE		Redman Observatory			California	A private observatory.
154	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.
154	NE		Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
154	SE		Lemoore			California	A town in Kings county.
157	NW		Mendocino			California
158	SE		Atascadero			California
159	E		Lost Valley Observatory			California	A private observatory between Yosemite and Kings Canyon in the Sierra Nevada Mountains.
159	NE		South Lake Tahoe			California
159	SE		Cerro Alto Campground			California	Campground 8 miles from Morro Bay
159	SE		Hanford			California
160	E		Shaver Lake			California
160	N		Big Bird Observatory			California	A private observatory near Paradise.
162	NE		Sierra Stars Observatory			California	A private observatory near Paynesville.
164	N		Meadow View Observatory			California	A private observatory.
164	NE		Bertucci's Sky			Nevada	A private observatory.
165	E		Yamada Observatory			California	A private observatory in Wonder Valley, east of Fresno.
165	N		Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
165	N		Paradise			California
165	SE		Bowen Observatory			California	Observatory of Cuesta College.
166	N		Buckhorn Recreation Area			California	Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
166	NE		Monitor Pass			California
168	NE		Cottontail Observatory			California	A private observatory somewhere around Walker.
168	NE		Northstar Ski Resort			California	Resort and site of commercial star tours. Near Lake Tahoe.
169	NE		Gardnerville			Nevada
169	NE		Saddleback Observatory			California	A private observatory.
169	SE		Cal Poly Observatory			California	Observatory of California Polytechnic State University. Near San Luis Obispo.
170	E		Conway Summit			California	A dark site 12 miles north of Lee Vinning in Mono County.
170	NE		Ruhenstroth Observatory			Nevada	A private observatory somewhere around Gardnerville.
170	NW		Starry Kingdom Observatory			California	A private observatory in Laytonville.
171	E		Bridgeport Lake Private Observatory			California	A private observatory in Bridgeport Valley.
172	N		Little Grass Valley Reservoir			California	Rservoir surounded by Little Grass Valley Recreation Area with several campgrounds.
172	NE		Martis Creek Campground			California	A site used by the Astronomical Society of Nevada.
173	NE		Sand Point			Nevada	In Lake Tahoe Nevada State Park, Near Incline Village.
173	SE		Santa Margarita Lake			California	A site in Santa Margarita Lake Regional Park used by the Central Coast Astronomcal Society.
174	NE		Virgo Skyline Observatory.			Nevada	A private observatory.
175	SE		Navajo Flats			California	A site used by the Central Coast Astronomical Society
177	E		Crestview			California	A hill site near Crestview, a few miles north-west of Mammoth Lakes in Inyo National Forest.
177	E		Mammoth Observatory			California	A private observatory near Mammoth Lakes.
177	SE		Visalia			California	A town in Tulare.
178	E		Courtright Reservoir			California	Observing site used by the Central Valley Astronomers
178	NE		Jack C. Davis Observatory			Nevada	Observatory of the Western Nevada Community College. Affiliated with the Western Nevada Astronomical Society. In Carson City
178	NE		Wellington			Nevada
178	SE		Arthur Purcell Observatory			California	Observatory of the Tulare Astronomical Association.

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