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

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