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			Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
5	SW		Holmes Observatory			California	A private observatory near Lompico.
6	NW		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
8	N		Ross Creek Observatory			California	A private observatory in San Jose.
9	N		Saratoga			California
10	S		Cabrillo College Observatory			California	Observatory of Cabrillo College.
10	S		Hidden Valley Observatory			California	A private observatory near Soquel.
10	SW		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
11	E		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.
11	SW		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
12	S		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
13	N		Cupertino			California
15	N		Greenhawk Observatory			California	A private observatory.
15	N		San Jose			California	Home of the San Jose Astronomical Association.
15	E		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
15	SW		Davenport Beach			California	A beach in Davenport.
16	NE		Santa Teresa Spring			California
17	NW		Montebello			California	Montebello Open Space Preserve is a site used by TAC
18	E		Morgan Hill			California
18	N		Mountain View			California
18	NW		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
20	NE		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
20	NW		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
22	NW		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
23	E		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
23	NE		Mount Hamilton			California	Home of the Lick Observatory.
23	NW		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
24	E		Henry Coe State Park			California	A site used by SJAA and TAC
24	W		Pescadero			California
25	NW		Menlo Park			California
25	NW		Menlo School			California	A school with an astronomy club. In Atherton
28	N		Fremont			California	The town in Alameda country.
32	NW		Ewell Observatory			California
33	NE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
34	E		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
34	NW		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
34	S		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
35	NW		San Mateo			California
36	NE		Del Valle			California	Site details.
36	NW		Half Moon Bay			California
37	SE		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
37	SE		Maple's Observatory			California	A private observatory somewhere around Salinas.
38	S		Cypress Point Club			California	A golf course.
38	S		La Mesa Urban Observatory			California	A private observatory in Monterey.
39	N		Castro Valley			California
39	N		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
40	N		Barking Spider Observatory			California	A private observatory near Castro Valley.
40	S		Carmel			California
42	E		Pacheco State Park			California	A state park used as a dark sky site.
43	N		DarkSights Observatory			California	A private observatory.
43	N		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
43	NW		Pacifica			California
45	E		Dinosaur Point			California	A site used by SJAA and TAC
48	NE		Tracy Airport			California
49	E		Newman Vista Point			California	A lookout on Interstate 5.
49	N		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
49	N		Oakland			California
49	N		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
49	NW		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
50	NW		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
51	NW		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
52	N		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
52	S		Tularcitos Observatory			California	A site used by the Mira Observers Group
53	N		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
55	N		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
56	N		Concord Observatory			California	A private observatory in Concord.
57	N		Brentwood			California	Forecast also covers Byran and Oakley.
58	N		Diablo Valley College			California	College near Concord.
59	N		Point Richmond			California
61	N		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
61	N		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
62	S		MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
62	S		Pfeiffer Big Sur State Park			California	State park in Big Sur.
63	N		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
64	NE		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
64	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).
64	SE		Panoche Pass			California
64	SE		Pinnacles Campground			California	Campground at the east entrance of Pinnacles National Park.
65	NW		San Rafael			California	A site used by the used by the Marin Observers.
67	E		Turlock			California	A town in Stanislaus county.
68	NE		Stockton			California	Home of the Stockton Astronomical Society.
68	SE		D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
69	N		Vallejo Observatory			California	A private observatory site close to Vallejo.
72	N		Rio Vista			California	A town in Solano county.
74	NE		Green Acres Observatory			California	A private observatory.
74	NW		North Point Observatory			California	A private observatory.
79	NE		Lodi			California
80	S		Limekiln State Park			California	State park near Big Sur. Forcast also covers the lookout tower at Cone Peak.
82	N		Napa			California
82	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.
83	E		Merced			California
84	N		Sonoma			California
84	N		Vacaville			California
87	N		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
87	NE		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
87	NW		Marshall			California	A town in Marin county by Tomales Bay.
91	NW		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
92	SE		Condon Peak Campground			California	A campground on BLM land.
94	N		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
95	N		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
95	NE		Wilton			California
98	N		Davis			California	A town in Yolo county.
99	E		Mendota Wildlife Area			California	A wildlife area a few files north-east of Tranquillity.
99	NW		Santa Rosa			California
100	NE		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
101	NE		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
101	NW		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
102	NE		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
103	N		Angwin			California
103	N		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
103	NW		Occidental Observatory			California	Near Occidental.
105	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.
105	NW		Forestville			California	A town in Sonoma county.
105	SE		SkiesAway Remote Observatories			California	A commerical observatory hosting remote telescopes.
106	N		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
107	NE		Greeley Hill Observatory			California	A private observatory near Coulterville.
107	SE		Lake San Antonio			California	A site used by SJAA and TAC
108	N		Esparto			California	Site used by the Davis Astronomers.
109	E		Lee DaSilva Observatory			California	A private observatory near Madera.
109	NE		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
109	NW		The Bishop's Ranch			California	Retreat and conference center.
111	E		Eastman Lake Recreation Area			California	Recreation area used by the Central Valley Astronomers.
111	N		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
113	NW		Vista Trail			California	Trail and overlook in Sonoma County.
114	E		Mariposa Fairgrounds			California	Fairgrounds in Mariposa county.
116	E		Hensley Lake			California	Regular observing site of the Central Valley Astronomers.
117	NE		Arnold Observatory			California	A private observatory.
117	NE		Sierra Skies Observatory			California	A private observatory.
118	NE		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
119	NE		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
120	E		Artis Observatory			California	A private observatory somewhere around Yosemite Lakes.
120	N		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
120	NE		Buena Vista Observatory			California	A private observatory.
120	NE		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
121	SE		Parkfield			California	A town in Monterey county.
121	SE		Ranchita Canyon Observatory			California	A private observatory Monterey County.
123	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
124	E		Coarsegold			California
124	NE		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
124	NW		Lake Sonoma			California	A site used by TAC
125	E		Fresno			California	Home of the Central Valley Astronomers.
125	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.
126	E		Ahwahnee Hills Observatory			California	A private observatory located in Ahwahnee.
126	N		Penryn			California
126	SE		Cuesta College - North County Campus			California	A campus of Cuesta College. Site of star parties held by the Central Coast Astronomical Society.
129	E		Bayt Observatory			California	A private observatory near Coarsegold.
129	N		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
130	E		HOLT Observatory			California	A private observatory.
130	SE		Redman Observatory			California	A private observatory.
131	N		Auburn			California	Forecast also covers the Auburn State Recreation Area
131	N		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
132	NE		Rancho Del Sol Observatory			California	A private observatory near Camino.
134	SE		Lemoore			California	A town in Kings county.
135	E		Horsetail Fall			California	A seasonal waterfall in Yosemite National Park.
135	N		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
135	N		Taylor Observatory			California	A community Observatory in Kelseyville.
135	SE		Atascadero			California
136	NE		Peddler Hill			California	A site used by the Stockton Astronomical Society.
136	NW		Sea Ranch			California	A private ranch near Gualala.
137	SE		Cerro Alto Campground			California	Campground 8 miles from Morro Bay
138	E		Glacier Point			California	A site of public star parties. In Yosemite National Park.
138	N		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
140	NE		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
140	NE		Donnell Vista			California	A recreation area in the Stanislaus National Forest.
140	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
141	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.
141	NE		Shot Rock			California	A spot along the Carson Pass Highway.
141	NW		Gualala			California
141	SE		Hanford			California
142	SE		Bowen Observatory			California	Observatory of Cuesta College.
143	NE		Ice House Observation Plateau			California
144	NE		Foresthill			California
146	E		Lost Valley Observatory			California	A private observatory between Yosemite and Kings Canyon in the Sierra Nevada Mountains.
146	N		Rock Hill Observatory			California	A private observatory in Grass Valley.
146	SE		Cal Poly Observatory			California	Observatory of California Polytechnic State University. Near San Luis Obispo.
147	E		Shaver Lake			California
148	N		Penn Valley			California
149	E		Yamada Observatory			California	A private observatory in Wonder Valley, east of Fresno.
150	SE		Santa Margarita Lake			California	A site in Santa Margarita Lake Regional Park used by the Central Coast Astronomcal Society.
151	N		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
152	NW		Lookout Ranch			California	A private ranch.
153	SE		Navajo Flats			California	A site used by the Central Coast Astronomical Society
154	N		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
155	N		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
156	N		Nevada City			California
159	E		Visalia			California	A town in Tulare.
159	NE		Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
159	NW		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
159	SE		Arthur Purcell Observatory			California	Observatory of the Tulare Astronomical Association.
160	SE		Arroyo Grande			California
162	NE		Blue Canyon			California	Airport site used by the Sacramento Valley Astronomical Society.
164	N		Feather River Observatory			California	A private observatory in Oroville.
165	NE		South Lake Tahoe			California
166	E		Courtright Reservoir			California	Observing site used by the Central Valley Astronomers
166	NE		Conway Summit			California	A dark site 12 miles north of Lee Vinning in Mono County.
167	E		Redwood Mountain View			California	A vacation rental.
167	NE		Sierra Stars Observatory			California	A private observatory near Paynesville.
168	E		Big Stump			California	An entrance to Sequoia & Kings Canyon national park. Used as a backup observing site of the Central Valley Astronomers.
168	NE		Cottontail Observatory			California	A private observatory somewhere around Walker.
169	E		Mammoth Observatory			California	A private observatory near Mammoth Lakes.
169	NE		Bridgeport Lake Private Observatory			California	A private observatory in Bridgeport Valley.
169	NE		Bertucci's Sky			Nevada	A private observatory.
169	NE		Monitor Pass			California
170	E		Crestview			California	A hill site near Crestview, a few miles north-west of Mammoth Lakes in Inyo National Forest.
174	E		Big Meadow			California	Observing site used by the Tulare Astronomical Association and the Central Valley Astronomers.
174	NE		Gardnerville			Nevada
174	NE		Ruhenstroth Observatory			Nevada	A private observatory somewhere around Gardnerville.
174	SE		Santa Maria			California	In Santa Barbara county.
176	NE		Northstar Ski Resort			California	Resort and site of commercial star tours. Near Lake Tahoe.
176	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
177	NE		Bodie			California
178	E		South Fork Observatory			California	A private observatory near Three Rivers.
178	N		Big Bird Observatory			California	A private observatory near Paradise.
180	NE		Virgo Skyline Observatory.			Nevada	A private observatory.
180	NW		Mendocino			California
180	SE		Porterville			California

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