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			Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
5	NW		Concord Observatory			California	A private observatory in Concord.
7	NW		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
9	S		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
10	NE		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
11	NW		Diablo Valley College			California	College near Concord.
11	W		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
12	E		Brentwood			California	Forecast also covers Byran and Oakley.
< 15			DarkSights Observatory			California	A private observatory.
15	SW		Barking Spider Observatory			California	A private observatory near Castro Valley.
15	W		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
16	SE		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
16	SW		Castro Valley			California
18	W		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
19	NW		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
20	W		Oakland			California
21	NW		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
23	NE		Rio Vista			California	A town in Solano county.
23	NW		Vallejo Observatory			California	A private observatory site close to Vallejo.
23	S		Fremont			California	The town in Alameda country.
23	SE		Del Valle			California	Site details.
26	W		Point Richmond			California
29	SE		Tracy Airport			California
29	W		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
31	SW		San Mateo			California
31	W		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
33	N		Vacaville			California
33	SW		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
33	SW		Ewell Observatory			California
33	SW		Menlo Park			California
33	SW		Menlo School			California	A school with an astronomy club. In Atherton
33	W		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
34	E		Stockton			California	Home of the Stockton Astronomical Society.
34	W		San Rafael			California	A site used by the used by the Marin Observers.
35	NW		Napa			California
35	S		Mountain View			California
35	SW		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
35	SW		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
36	N		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
36	NW		North Point Observatory			California	A private observatory.
36	SW		Pacifica			California
38	S		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
38	S		Greenhawk Observatory			California	A private observatory.
38	S		San Jose			California	Home of the San Jose Astronomical Association.
38	W		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).
39	NE		Lodi			California
39	S		Cupertino			California
39	S		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
39	S		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
40	S		Mount Hamilton			California	Home of the Lick Observatory.
40	SW		Half Moon Bay			California
41	NW		Sonoma			California
41	S		Montebello			California	Montebello Open Space Preserve is a site used by TAC
41	SE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
43	S		Saratoga			California
44	S		Ross Creek Observatory			California	A private observatory in San Jose.
46	S		Santa Teresa Spring			California
47	N		Davis			California	A town in Yolo county.
47	NE		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
47	S		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
50	NE		Wilton			California
50	NW		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
50	SW		Pescadero			California
51	NW		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
51	S		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.
52	S		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
52	SE		Henry Coe State Park			California	A site used by SJAA and TAC
53	E		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
54	E		Green Acres Observatory			California	A private observatory.
54	NE		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
54	S		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
54	S		Holmes Observatory			California	A private observatory near Lompico.
54	S		Morgan Hill			California
56	N		Esparto			California	Site used by the Davis Astronomers.
56	NW		Angwin			California
56	S		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
57	S		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
57	W		Marshall			California	A town in Marin county by Tomales Bay.
58	NW		Santa Rosa			California
58	W		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	SE		Newman Vista Point			California	A lookout on Interstate 5.
61	NW		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
61	S		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
61	S		Cabrillo College Observatory			California	Observatory of Cabrillo College.
61	SE		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
62	NW		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
62	S		Davenport Beach			California	A beach in Davenport.
62	S		Hidden Valley Observatory			California	A private observatory near Soquel.
63	NE		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
63	NE		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
63	NW		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
63	S		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
64	E		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
64	SE		Turlock			California	A town in Stanislaus county.
66	NW		Occidental Observatory			California	Near Occidental.
67	NW		Forestville			California	A town in Sonoma county.
68	SE		Pacheco State Park			California	A state park used as a dark sky site.
69	NW		The Bishop's Ranch			California	Retreat and conference center.
70	SE		Dinosaur Point			California	A site used by SJAA and TAC
71	NE		Sierra Skies Observatory			California	A private observatory.
73	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
73	NE		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
75	NE		Buena Vista Observatory			California	A private observatory.
76	E		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
78	N		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
78	NE		Penryn			California
79	N		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
79	NW		Vista Trail			California	Trail and overlook in Sonoma County.
80	NE		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
81	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.
81	S		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
84	NE		Auburn			California	Forecast also covers the Auburn State Recreation Area
85	E		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
85	NW		Lake Sonoma			California	A site used by TAC
85	S		Maple's Observatory			California	A private observatory somewhere around Salinas.
85	S		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
87	N		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
87	NE		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
88	NE		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
88	SE		Merced			California
89	E		Arnold Observatory			California	A private observatory.
89	NW		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
90	NE		Rancho Del Sol Observatory			California	A private observatory near Camino.
90	NW		Taylor Observatory			California	A community Observatory in Kelseyville.
90	S		Cypress Point Club			California	A golf course.
90	S		La Mesa Urban Observatory			California	A private observatory in Monterey.
92	S		Carmel			California
95	E		Greeley Hill Observatory			California	A private observatory near Coulterville.
97	E		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
98	NE		Foresthill			California
98	NE		Rock Hill Observatory			California	A private observatory in Grass Valley.
99	NE		Penn Valley			California
99	SE		D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
100	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.
100	SE		Panoche Pass			California
101	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
101	NW		Sea Ranch			California	A private ranch near Gualala.
101	S		Tularcitos Observatory			California	A site used by the Mira Observers Group
102	NE		Peddler Hill			California	A site used by the Stockton Astronomical Society.
104	NE		Ice House Observation Plateau			California
105	NE		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
105	SE		Pinnacles Campground			California	Campground at the east entrance of Pinnacles National Park.
106	NE		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
106	NE		Shot Rock			California	A spot along the Carson Pass Highway.
106	NW		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
107	NE		Nevada City			California
107	NW		Gualala			California
110	E		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
111	E		Mariposa Fairgrounds			California	Fairgrounds in Mariposa county.
111	S		MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
113	E		Donnell Vista			California	A recreation area in the Stanislaus National Forest.
113	N		Feather River Observatory			California	A private observatory in Oroville.
113	S		Pfeiffer Big Sur State Park			California	State park in Big Sur.
115	NE		Blue Canyon			California	Airport site used by the Sacramento Valley Astronomical Society.
116	NW		Lookout Ranch			California	A private ranch.
116	NW		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
116	SE		Eastman Lake Recreation Area			California	Recreation area used by the Central Valley Astronomers.
121	SE		Lee DaSilva Observatory			California	A private observatory near Madera.
122	SE		Mendota Wildlife Area			California	A wildlife area a few files north-east of Tranquillity.
123	NE		Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
123	SE		Hensley Lake			California	Regular observing site of the Central Valley Astronomers.
125	E		Ahwahnee Hills Observatory			California	A private observatory located in Ahwahnee.
125	E		Horsetail Fall			California	A seasonal waterfall in Yosemite National Park.
126	E		Artis Observatory			California	A private observatory somewhere around Yosemite Lakes.
126	N		Big Bird Observatory			California	A private observatory near Paradise.
128	E		Coarsegold			California
128	E		Glacier Point			California	A site of public star parties. In Yosemite National Park.
128	NE		South Lake Tahoe			California
129	SE		Condon Peak Campground			California	A campground on BLM land.
130	S		Limekiln State Park			California	State park near Big Sur. Forcast also covers the lookout tower at Cone Peak.
131	E		Bayt Observatory			California	A private observatory near Coarsegold.
131	E		HOLT Observatory			California	A private observatory.
131	N		Meadow View Observatory			California	A private observatory.
131	N		Paradise			California
132	N		Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
132	NE		Sierra Stars Observatory			California	A private observatory near Paynesville.
133	NE		Bertucci's Sky			Nevada	A private observatory.
134	NE		Northstar Ski Resort			California	Resort and site of commercial star tours. Near Lake Tahoe.
134	NE		Saddleback Observatory			California	A private observatory.
135	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
136	N		Buckhorn Recreation Area			California	Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
137	N		Little Grass Valley Reservoir			California	Rservoir surounded by Little Grass Valley Recreation Area with several campgrounds.
137	NE		Monitor Pass			California
138	NE		Gardnerville			Nevada
139	NE		Martis Creek Campground			California	A site used by the Astronomical Society of Nevada.
140	NE		Ruhenstroth Observatory			Nevada	A private observatory somewhere around Gardnerville.
141	E		Cottontail Observatory			California	A private observatory somewhere around Walker.
141	NE		Sand Point			Nevada	In Lake Tahoe Nevada State Park, Near Incline Village.
141	SE		Fresno			California	Home of the Central Valley Astronomers.
142	NW		Mendocino			California
143	NE		Virgo Skyline Observatory.			Nevada	A private observatory.
146	NE		Jack C. Davis Observatory			Nevada	Observatory of the Western Nevada Community College. Affiliated with the Western Nevada Astronomical Society. In Carson City
148	E		Bridgeport Lake Private Observatory			California	A private observatory in Bridgeport Valley.
148	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.
149	E		Conway Summit			California	A dark site 12 miles north of Lee Vinning in Mono County.
149	NW		Starry Kingdom Observatory			California	A private observatory in Laytonville.
150	NE		Wellington			Nevada
151	E		Lost Valley Observatory			California	A private observatory between Yosemite and Kings Canyon in the Sierra Nevada Mountains.
151	N		Quincy			California	A site of the RECON project
151	NE		Washoe Zephyr Observatory			Nevada	A private observatory in Washoe Valley.
151	S		SkiesAway Remote Observatories			California	A commerical observatory hosting remote telescopes.
152	E		Shaver Lake			California
152	S		Lake San Antonio			California	A site used by SJAA and TAC
154	NE		Portola			California	A site of the RECON project
156	NE		Maclean Observatory			Nevada	Observatory of the University of Nevada, Reno.
158	E		Bodie			California
160	E		Crestview			California	A hill site near Crestview, a few miles north-west of Mammoth Lakes in Inyo National Forest.
160	NE		Reno			Nevada	Home of the Astronomical Society of Nevada.
160	SE		Lemoore			California	A town in Kings county.
160	SE		Parkfield			California	A town in Monterey county.
161	NE		Fleischmann Planetarium and Science Center			Nevada	Planetarium and science center in Reno.
161	NE		Trapshoot			California	Public site used by Astronomical Society of Nevada. Near Chilcoot.
162	E		Mammoth Observatory			California	A private observatory near Mammoth Lakes.
162	SE		Ranchita Canyon Observatory			California	A private observatory Monterey County.
162	SE		Yamada Observatory			California	A private observatory in Wonder Valley, east of Fresno.
164	N		Greenville			California	A site of the RECON project
164	NE		Deer Lodge Site			Nevada	North of Reno. A site on Deer Lodge road used by the Astronomical Society of Nevada.
165	SE		Hanford			California
168	NE		Yerington			Nevada	A site of the RECON project
169	SE		Cuesta College - North County Campus			California	A campus of Cuesta College. Site of star parties held by the Central Coast Astronomical Society.
171	E		Courtright Reservoir			California	Observing site used by the Central Valley Astronomers
174	E		McGee Creek			California
174	N		Cottonwood			California	A town in Shasta county.
174	SE		Redman Observatory			California	A private observatory.
179	N		Wilson Hill Observatory			California	A private observatory near Shingletown.
179	SE		Atascadero			California
180	SE		Visalia			California	A town in Tulare.

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