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			CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
3	NW		Diablo Valley College			California	College near Concord.
4	E		Concord Observatory			California	A private observatory in Concord.
7	SE		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
8	SW		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
11	SW		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
12	W		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
12	W		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
13	E		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
13	SE		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
14	NW		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
< 15			DarkSights Observatory			California	A private observatory.
15	S		Barking Spider Observatory			California	A private observatory near Castro Valley.
16	NW		Vallejo Observatory			California	A private observatory site close to Vallejo.
16	SW		Oakland			California
17	S		Castro Valley			California
18	E		Brentwood			California	Forecast also covers Byran and Oakley.
19	W		Point Richmond			California
23	SE		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
24	NE		Rio Vista			California	A town in Solano county.
24	SW		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
26	SW		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
27	S		Fremont			California	The town in Alameda country.
27	W		San Rafael			California	A site used by the used by the Marin Observers.
28	SW		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
29	N		Vacaville			California
29	NW		Napa			California
29	NW		North Point Observatory			California	A private observatory.
30	SW		San Mateo			California
30	SE		Del Valle			California	Site details.
32	N		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
32	SW		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
32	SW		Ewell Observatory			California
32	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).
33	SW		Pacifica			California
34	NW		Sonoma			California
34	S		Menlo Park			California
34	S		Menlo School			California	A school with an astronomy club. In Atherton
36	S		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
36	S		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
37	SE		Tracy Airport			California
38	S		Mountain View			California
38	SW		Half Moon Bay			California
40	S		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
40	S		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
41	E		Stockton			California	Home of the Stockton Astronomical Society.
41	S		Greenhawk Observatory			California	A private observatory.
42	S		Cupertino			California
42	S		San Jose			California	Home of the San Jose Astronomical Association.
43	NW		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
43	S		Montebello			California	Montebello Open Space Preserve is a site used by TAC
44	E		Lodi			California
44	NW		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
45	N		Davis			California	A town in Yolo county.
45	SE		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
46	S		Saratoga			California
46	SE		Mount Hamilton			California	Home of the Lick Observatory.
48	S		Ross Creek Observatory			California	A private observatory in San Jose.
48	SE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
49	NE		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
49	W		Marshall			California	A town in Marin county by Tomales Bay.
50	NW		Angwin			California
50	S		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
51	NW		Santa Rosa			California
51	S		Pescadero			California
51	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.
52	N		Esparto			California	Site used by the Davis Astronomers.
52	NE		Wilton			California
52	S		Santa Teresa Spring			California
54	NE		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
54	NW		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
55	S		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
56	N		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
56	NW		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
56	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.
57	S		Holmes Observatory			California	A private observatory near Lompico.
58	SE		Henry Coe State Park			California	A site used by SJAA and TAC
59	NW		Occidental Observatory			California	Near Occidental.
59	S		Morgan Hill			California
60	NW		Forestville			California	A town in Sonoma county.
60	S		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
60	S		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
61	E		Green Acres Observatory			California	A private observatory.
61	E		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
62	NW		The Bishop's Ranch			California	Retreat and conference center.
62	SE		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
64	S		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
64	S		Davenport Beach			California	A beach in Davenport.
65	NE		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
65	S		Cabrillo College Observatory			California	Observatory of Cabrillo College.
65	S		Hidden Valley Observatory			California	A private observatory near Soquel.
66	S		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
67	SE		Newman Vista Point			California	A lookout on Interstate 5.
68	E		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
68	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
68	SE		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
71	E		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
72	NE		Sierra Skies Observatory			California	A private observatory.
72	NW		Vista Trail			California	Trail and overlook in Sonoma County.
72	SE		Turlock			California	A town in Stanislaus county.
74	NE		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
75	SE		Pacheco State Park			California	A state park used as a dark sky site.
76	N		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
76	SE		Dinosaur Point			California	A site used by SJAA and TAC
77	NE		Buena Vista Observatory			California	A private observatory.
78	NE		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
78	NW		Lake Sonoma			California	A site used by TAC
79	NE		Penryn			California
82	E		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
83	NW		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
83	NW		Taylor Observatory			California	A community Observatory in Kelseyville.
84	N		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
84	NE		Auburn			California	Forecast also covers the Auburn State Recreation Area
84	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.
84	NE		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
86	S		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
89	S		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
90	S		Maple's Observatory			California	A private observatory somewhere around Salinas.
92	E		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
92	E		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
92	NE		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
93	NE		Rancho Del Sol Observatory			California	A private observatory near Camino.
94	E		Arnold Observatory			California	A private observatory.
94	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
94	NW		Sea Ranch			California	A private ranch near Gualala.
94	S		Cypress Point Club			California	A golf course.
94	S		La Mesa Urban Observatory			California	A private observatory in Monterey.
95	S		Carmel			California
95	SE		Merced			California
98	NE		Penn Valley			California
98	NE		Rock Hill Observatory			California	A private observatory in Grass Valley.
99	NE		Foresthill			California
99	NW		Gualala			California
100	NW		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
102	E		Greeley Hill Observatory			California	A private observatory near Coulterville.
103	E		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
105	NE		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
106	NE		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
106	NE		Peddler Hill			California	A site used by the Stockton Astronomical Society.
106	S		Tularcitos Observatory			California	A site used by the Mira Observers Group
106	SE		D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
106	SE		Panoche Pass			California
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.
107	NE		Ice House Observation Plateau			California
107	NE		Nevada City			California
108	NW		Lookout Ranch			California	A private ranch.
109	NW		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
111	N		Feather River Observatory			California	A private observatory in Oroville.
111	NE		Shot Rock			California	A spot along the Carson Pass Highway.
111	SE		Pinnacles Campground			California	Campground at the east entrance of Pinnacles National Park.
114	E		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
115	S		MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
116	NE		Blue Canyon			California	Airport site used by the Sacramento Valley Astronomical Society.
117	S		Pfeiffer Big Sur State Park			California	State park in Big Sur.
118	E		Donnell Vista			California	A recreation area in the Stanislaus National Forest.
119	E		Mariposa Fairgrounds			California	Fairgrounds in Mariposa county.
124	N		Big Bird Observatory			California	A private observatory near Paradise.
124	SE		Eastman Lake Recreation Area			California	Recreation area used by the Central Valley Astronomers.
126	NE		Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
128	N		Meadow View Observatory			California	A private observatory.
128	N		Paradise			California
128	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
129	N		Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
129	SE		Lee DaSilva Observatory			California	A private observatory near Madera.
129	SE		Mendota Wildlife Area			California	A wildlife area a few files north-east of Tranquillity.
131	N		Buckhorn Recreation Area			California	Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
131	NE		South Lake Tahoe			California
131	SE		Hensley Lake			California	Regular observing site of the Central Valley Astronomers.
132	E		Horsetail Fall			California	A seasonal waterfall in Yosemite National Park.
133	E		Ahwahnee Hills Observatory			California	A private observatory located in Ahwahnee.
133	NE		Saddleback Observatory			California	A private observatory.
134	SE		Artis Observatory			California	A private observatory somewhere around Yosemite Lakes.
135	E		Glacier Point			California	A site of public star parties. In Yosemite National Park.
135	NW		Mendocino			California
135	S		Limekiln State Park			California	State park near Big Sur. Forcast also covers the lookout tower at Cone Peak.
136	E		Coarsegold			California
136	NE		Little Grass Valley Reservoir			California	Rservoir surounded by Little Grass Valley Recreation Area with several campgrounds.
136	NE		Northstar Ski Resort			California	Resort and site of commercial star tours. Near Lake Tahoe.
136	SE		Condon Peak Campground			California	A campground on BLM land.
137	NE		Bertucci's Sky			Nevada	A private observatory.
137	NE		Sierra Stars Observatory			California	A private observatory near Paynesville.
139	E		Bayt Observatory			California	A private observatory near Coarsegold.
139	E		HOLT Observatory			California	A private observatory.
141	NE		Martis Creek Campground			California	A site used by the Astronomical Society of Nevada.
141	NE		Monitor Pass			California
142	NE		Gardnerville			Nevada
143	NE		Sand Point			Nevada	In Lake Tahoe Nevada State Park, Near Incline Village.
143	NW		Starry Kingdom Observatory			California	A private observatory in Laytonville.
144	NE		Ruhenstroth Observatory			Nevada	A private observatory somewhere around Gardnerville.
146	E		Cottontail Observatory			California	A private observatory somewhere around Walker.
147	NE		Virgo Skyline Observatory.			Nevada	A private observatory.
149	NE		Jack C. Davis Observatory			Nevada	Observatory of the Western Nevada Community College. Affiliated with the Western Nevada Astronomical Society. In Carson City
149	SE		Fresno			California	Home of the Central Valley Astronomers.
150	NE		Quincy			California	A site of the RECON project
154	E		Bridgeport Lake Private Observatory			California	A private observatory in Bridgeport Valley.
154	NE		Portola			California	A site of the RECON project
154	NE		Washoe Zephyr Observatory			Nevada	A private observatory in Washoe Valley.
155	E		Wellington			Nevada
156	E		Conway Summit			California	A dark site 12 miles north of Lee Vinning in Mono County.
156	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.
157	S		SkiesAway Remote Observatories			California	A commerical observatory hosting remote telescopes.
158	SE		Lake San Antonio			California	A site used by SJAA and TAC
159	E		Lost Valley Observatory			California	A private observatory between Yosemite and Kings Canyon in the Sierra Nevada Mountains.
159	NE		Maclean Observatory			Nevada	Observatory of the University of Nevada, Reno.
160	E		Shaver Lake			California
162	NE		Reno			Nevada	Home of the Astronomical Society of Nevada.
162	NE		Trapshoot			California	Public site used by Astronomical Society of Nevada. Near Chilcoot.
163	N		Greenville			California	A site of the RECON project
163	NE		Fleischmann Planetarium and Science Center			Nevada	Planetarium and science center in Reno.
164	E		Bodie			California
165	NE		Deer Lodge Site			Nevada	North of Reno. A site on Deer Lodge road used by the Astronomical Society of Nevada.
166	SE		Parkfield			California	A town in Monterey county.
167	E		Crestview			California	A hill site near Crestview, a few miles north-west of Mammoth Lakes in Inyo National Forest.
168	E		Mammoth Observatory			California	A private observatory near Mammoth Lakes.
168	SE		Lemoore			California	A town in Kings county.
168	SE		Ranchita Canyon Observatory			California	A private observatory Monterey County.
169	SE		Yamada Observatory			California	A private observatory in Wonder Valley, east of Fresno.
170	N		Cottonwood			California	A town in Shasta county.
172	NE		Yerington			Nevada	A site of the RECON project
172	SE		Hanford			California
175	SE		Cuesta College - North County Campus			California	A campus of Cuesta College. Site of star parties held by the Central Coast Astronomical Society.
176	N		Wilson Hill Observatory			California	A private observatory near Shingletown.
178	E		Courtright Reservoir			California	Observing site used by the Central Valley Astronomers
180	SE		Redman Observatory			California	A private observatory.

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