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			Cabrillo College Observatory			California	Observatory of Cabrillo College.
2	W		Hidden Valley Observatory			California	A private observatory near Soquel.
6	W		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
8	W		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
10	N		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
10	NW		Holmes Observatory			California	A private observatory near Lompico.
12	NW		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
13	NE		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.
15	NE		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
15	W		Davenport Beach			California	A beach in Davenport.
16	NW		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
17	N		Ross Creek Observatory			California	A private observatory in San Jose.
18	NE		Morgan Hill			California
19	N		Saratoga			California
21	NE		Santa Teresa Spring			California
22	NE		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
24	N		Cupertino			California
24	N		San Jose			California	Home of the San Jose Astronomical Association.
24	S		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
25	N		Greenhawk Observatory			California	A private observatory.
25	NE		Henry Coe State Park			California	A site used by SJAA and TAC
26	NE		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
27	NW		Montebello			California	Montebello Open Space Preserve is a site used by TAC
27	SE		Maple's Observatory			California	A private observatory somewhere around Salinas.
28	NW		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
28	S		La Mesa Urban Observatory			California	A private observatory in Monterey.
28	SE		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
29	N		Mountain View			California
29	NE		Mount Hamilton			California	Home of the Lick Observatory.
29	NW		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
29	S		Cypress Point Club			California	A golf course.
30	S		Carmel			California
31	NW		Pescadero			California
32	E		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
32	NW		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
33	NW		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
35	NW		Menlo Park			California
35	NW		Menlo School			California	A school with an astronomy club. In Atherton
37	NE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
39	E		Pacheco State Park			California	A state park used as a dark sky site.
39	N		Fremont			California	The town in Alameda country.
41	NW		Ewell Observatory			California
42	E		Dinosaur Point			California	A site used by SJAA and TAC
42	S		Tularcitos Observatory			California	A site used by the Mira Observers Group
44	N		Del Valle			California	Site details.
44	NW		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
45	NW		Half Moon Bay			California
45	NW		San Mateo			California
48	N		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
49	N		Castro Valley			California
50	NE		Newman Vista Point			California	A lookout on Interstate 5.
51	N		Barking Spider Observatory			California	A private observatory near Castro Valley.
51	SE		MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
52	S		Pfeiffer Big Sur State Park			California	State park in Big Sur.
53	N		DarkSights Observatory			California	A private observatory.
53	N		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
53	NW		Pacifica			California
55	NE		Tracy Airport			California
55	SE		Pinnacles Campground			California	Campground at the east entrance of Pinnacles National Park.
56	SE		Panoche Pass			California
59	N		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
59	N		Oakland			California
59	N		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
59	NW		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
60	NW		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
61	N		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
61	NW		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
62	E		D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
64	N		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
65	N		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
66	N		Brentwood			California	Forecast also covers Byran and Oakley.
66	N		Concord Observatory			California	A private observatory in Concord.
68	N		Diablo Valley College			California	College near Concord.
68	NE		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
69	N		Point Richmond			California
69	NE		Turlock			California	A town in Stanislaus county.
70	N		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
70	S		Limekiln State Park			California	State park near Big Sur. Forcast also covers the lookout tower at Cone Peak.
71	N		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
73	N		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
74	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).
75	NE		Stockton			California	Home of the Stockton Astronomical Society.
75	NW		San Rafael			California	A site used by the used by the Marin Observers.
78	NE		Green Acres Observatory			California	A private observatory.
80	N		Vallejo Observatory			California	A private observatory site close to Vallejo.
81	N		Rio Vista			California	A town in Solano county.
82	E		Merced			California
84	N		North Point Observatory			California	A private observatory.
84	SE		Condon Peak Campground			California	A campground on BLM land.
86	NE		Lodi			California
91	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.
92	N		Napa			California
92	NE		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
94	E		Mendota Wildlife Area			California	A wildlife area a few files north-east of Tranquillity.
94	N		Sonoma			California
94	N		Vacaville			California
95	SE		SkiesAway Remote Observatories			California	A commerical observatory hosting remote telescopes.
97	N		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
97	NW		Marshall			California	A town in Marin county by Tomales Bay.
98	SE		Lake San Antonio			California	A site used by SJAA and TAC
101	NW		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
102	N		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
103	N		Wilton			California
104	NE		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
105	N		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
106	E		Lee DaSilva Observatory			California	A private observatory near Madera.
106	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.
106	NE		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
106	NE		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
108	N		Davis			California	A town in Yolo county.
108	NE		Greeley Hill Observatory			California	A private observatory near Coulterville.
109	E		Eastman Lake Recreation Area			California	Recreation area used by the Central Valley Astronomers.
109	NW		Santa Rosa			California
111	NW		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
112	N		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
112	SE		Parkfield			California	A town in Monterey county.
112	SE		Ranchita Canyon Observatory			California	A private observatory Monterey County.
113	E		Hensley Lake			California	Regular observing site of the Central Valley Astronomers.
113	N		Angwin			California
113	NW		Occidental Observatory			California	Near Occidental.
114	E		Mariposa Fairgrounds			California	Fairgrounds in Mariposa county.
115	NW		Forestville			California	A town in Sonoma county.
116	N		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
116	SE		Cuesta College - North County Campus			California	A campus of Cuesta College. Site of star parties held by the Central Coast Astronomical Society.
118	E		Artis Observatory			California	A private observatory somewhere around Yosemite Lakes.
118	N		Esparto			California	Site used by the Davis Astronomers.
118	N		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
119	NW		The Bishop's Ranch			California	Retreat and conference center.
120	E		Fresno			California	Home of the Central Valley Astronomers.
120	SE		Redman Observatory			California	A private observatory.
121	N		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
122	E		Coarsegold			California
122	NE		Arnold Observatory			California	A private observatory.
123	NE		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
123	NW		Vista Trail			California	Trail and overlook in Sonoma County.
124	NE		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
125	E		Ahwahnee Hills Observatory			California	A private observatory located in Ahwahnee.
125	N		Sierra Skies Observatory			California	A private observatory.
125	NE		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
125	SE		Atascadero			California
127	NE		Buena Vista Observatory			California	A private observatory.
127	SE		Cerro Alto Campground			California	Campground 8 miles from Morro Bay
128	E		Bayt Observatory			California	A private observatory near Coarsegold.
128	E		Lemoore			California	A town in Kings county.
128	N		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
129	E		HOLT Observatory			California	A private observatory.
130	NE		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
133	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
133	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.
133	SE		Bowen Observatory			California	Observatory of Cuesta College.
134	E		Hanford			California
134	NW		Lake Sonoma			California	A site used by TAC
135	N		Penryn			California
136	NE		Horsetail Fall			California	A seasonal waterfall in Yosemite National Park.
137	SE		Cal Poly Observatory			California	Observatory of California Polytechnic State University. Near San Luis Obispo.
138	N		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
139	E		Glacier Point			California	A site of public star parties. In Yosemite National Park.
139	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.
139	N		Auburn			California	Forecast also covers the Auburn State Recreation Area
139	NE		Rancho Del Sol Observatory			California	A private observatory near Camino.
140	SE		Santa Margarita Lake			California	A site in Santa Margarita Lake Regional Park used by the Central Coast Astronomcal Society.
141	N		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
142	NE		Peddler Hill			California	A site used by the Stockton Astronomical Society.
143	SE		Navajo Flats			California	A site used by the Central Coast Astronomical Society
144	E		Lost Valley Observatory			California	A private observatory between Yosemite and Kings Canyon in the Sierra Nevada Mountains.
144	NE		Donnell Vista			California	A recreation area in the Stanislaus National Forest.
145	E		Shaver Lake			California
145	N		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
145	N		Taylor Observatory			California	A community Observatory in Kelseyville.
145	NE		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
145	NW		Sea Ranch			California	A private ranch near Gualala.
146	E		Yamada Observatory			California	A private observatory in Wonder Valley, east of Fresno.
147	N		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
147	NE		Shot Rock			California	A spot along the Carson Pass Highway.
150	NE		Ice House Observation Plateau			California
150	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
150	SE		Arroyo Grande			California
151	NW		Gualala			California
152	NE		Foresthill			California
153	E		Arthur Purcell Observatory			California	Observatory of the Tulare Astronomical Association.
153	E		Visalia			California	A town in Tulare.
154	N		Rock Hill Observatory			California	A private observatory in Grass Valley.
157	N		Penn Valley			California
161	N		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
162	N		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
162	NW		Lookout Ranch			California	A private ranch.
163	E		Courtright Reservoir			California	Observing site used by the Central Valley Astronomers
163	E		Redwood Mountain View			California	A vacation rental.
163	N		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
164	E		Big Stump			California	An entrance to Sequoia & Kings Canyon national park. Used as a backup observing site of the Central Valley Astronomers.
164	N		Nevada City			California
164	SE		Santa Maria			California	In Santa Barbara county.
165	NE		Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
168	NE		Conway Summit			California	A dark site 12 miles north of Lee Vinning in Mono County.
169	E		Mammoth Observatory			California	A private observatory near Mammoth Lakes.
169	NW		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
170	E		Big Meadow			California	Observing site used by the Tulare Astronomical Association and the Central Valley Astronomers.
170	E		Crestview			California	A hill site near Crestview, a few miles north-west of Mammoth Lakes in Inyo National Forest.
170	NE		Blue Canyon			California	Airport site used by the Sacramento Valley Astronomical Society.
171	NE		Bridgeport Lake Private Observatory			California	A private observatory in Bridgeport Valley.
171	NE		South Lake Tahoe			California
172	NE		Cottontail Observatory			California	A private observatory somewhere around Walker.
172	NE		Sierra Stars Observatory			California	A private observatory near Paynesville.
173	E		South Fork Observatory			California	A private observatory near Three Rivers.
174	E		Porterville			California
174	N		Feather River Observatory			California	A private observatory in Oroville.
174	NE		Bertucci's Sky			Nevada	A private observatory.
174	NE		Monitor Pass			California
177	SE		Vandenberg Village			California
179	NE		Bodie			California
179	NE		Gardnerville			Nevada
180	NE		Ruhenstroth Observatory			Nevada	A private observatory somewhere around Gardnerville.
180	SE		Carrizo Plain National Monument			California	Centered on KCL Campground, this chart covers most of Carrizo Plain National Monument. Near Taft.

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