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			Ross Creek Observatory			California	A private observatory in San Jose.
5	W		Saratoga			California
7	N		San Jose			California	Home of the San Jose Astronomical Association.
7	SW		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
8	NW		Cupertino			California
8	NW		Greenhawk Observatory			California	A private observatory.
8	S		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
11	SE		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.
12	SW		Holmes Observatory			California	A private observatory near Lompico.
13	E		Santa Teresa Spring			California
13	NW		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
13	NW		Mountain View			California
14	NE		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
14	NW		Montebello			California	Montebello Open Space Preserve is a site used by TAC
16	NW		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
16	SE		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
16	SW		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
17	NW		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
17	S		Cabrillo College Observatory			California	Observatory of Cabrillo College.
17	SE		Morgan Hill			California
18	NE		Mount Hamilton			California	Home of the Lick Observatory.
18	NW		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
18	S		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
18	S		Hidden Valley Observatory			California	A private observatory near Soquel.
19	S		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
20	NW		Menlo Park			California
20	NW		Menlo School			California	A school with an astronomy club. In Atherton
21	N		Fremont			California	The town in Alameda country.
22	E		Henry Coe State Park			California	A site used by SJAA and TAC
22	SW		Davenport Beach			California	A beach in Davenport.
23	E		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
25	W		Pescadero			California
27	NE		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
27	NW		Ewell Observatory			California
28	NE		Del Valle			California	Site details.
30	NW		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
31	NW		San Mateo			California
32	N		Castro Valley			California
32	N		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
33	E		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
33	NW		Half Moon Bay			California
34	N		Barking Spider Observatory			California	A private observatory near Castro Valley.
35	N		DarkSights Observatory			California	A private observatory.
35	N		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
40	NW		Pacifica			California
41	NE		Tracy Airport			California
41	S		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
41	SE		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
42	E		Pacheco State Park			California	A state park used as a dark sky site.
42	N		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
42	N		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
43	NW		Oakland			California
43	S		Maple's Observatory			California	A private observatory somewhere around Salinas.
44	E		Dinosaur Point			California	A site used by SJAA and TAC
44	N		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
44	NW		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
45	NW		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
46	E		Newman Vista Point			California	A lookout on Interstate 5.
46	S		Cypress Point Club			California	A golf course.
46	S		La Mesa Urban Observatory			California	A private observatory in Monterey.
47	N		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
47	NW		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
48	N		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
48	N		Concord Observatory			California	A private observatory in Concord.
48	S		Carmel			California
49	N		Brentwood			California	Forecast also covers Byran and Oakley.
51	N		Diablo Valley College			California	College near Concord.
53	N		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
53	NW		Point Richmond			California
54	N		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
56	N		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
58	S		Tularcitos Observatory			California	A site used by the Mira Observers Group
59	NE		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
59	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).
60	NW		San Rafael			California	A site used by the used by the Marin Observers.
61	NE		Stockton			California	Home of the Stockton Astronomical Society.
62	E		Turlock			California	A town in Stanislaus county.
63	N		Vallejo Observatory			California	A private observatory site close to Vallejo.
64	N		Rio Vista			California	A town in Solano county.
66	SE		Panoche Pass			California
68	NE		Green Acres Observatory			California	A private observatory.
68	NW		North Point Observatory			California	A private observatory.
68	S		MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
68	SE		Pinnacles Campground			California	Campground at the east entrance of Pinnacles National Park.
69	S		Pfeiffer Big Sur State Park			California	State park in Big Sur.
70	SE		D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
71	NE		Lodi			California
75	N		Napa			California
77	N		Vacaville			California
78	N		Sonoma			California
78	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.
80	E		Merced			California
80	N		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
81	NE		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
82	NW		Marshall			California	A town in Marin county by Tomales Bay.
85	NW		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
86	N		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
87	NE		Wilton			California
87	S		Limekiln State Park			California	State park near Big Sur. Forcast also covers the lookout tower at Cone Peak.
88	N		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
91	N		Davis			California	A town in Yolo county.
93	NE		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
93	NW		Santa Rosa			California
95	NE		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
96	N		Angwin			California
96	N		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
96	NE		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
96	NW		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
96	SE		Condon Peak Campground			California	A campground on BLM land.
97	NW		Occidental Observatory			California	Near Occidental.
100	E		Mendota Wildlife Area			California	A wildlife area a few files north-east of Tranquillity.
100	N		Esparto			California	Site used by the Davis Astronomers.
100	NW		Forestville			California	A town in Sonoma county.
100	NW		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
102	E		Greeley Hill Observatory			California	A private observatory near Coulterville.
102	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.
102	NE		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
103	NW		The Bishop's Ranch			California	Retreat and conference center.
104	N		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
108	E		Eastman Lake Recreation Area			California	Recreation area used by the Central Valley Astronomers.
108	E		Lee DaSilva Observatory			California	A private observatory near Madera.
108	NW		Vista Trail			California	Trail and overlook in Sonoma County.
109	NE		Sierra Skies Observatory			California	A private observatory.
110	E		Mariposa Fairgrounds			California	Fairgrounds in Mariposa county.
111	NE		Arnold Observatory			California	A private observatory.
111	NE		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
111	SE		SkiesAway Remote Observatories			California	A commerical observatory hosting remote telescopes.
112	NE		Buena Vista Observatory			California	A private observatory.
112	NE		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
113	NE		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
113	SE		Lake San Antonio			California	A site used by SJAA and TAC
114	E		Hensley Lake			California	Regular observing site of the Central Valley Astronomers.
114	NE		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
116	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
117	NE		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
118	E		Artis Observatory			California	A private observatory somewhere around Yosemite Lakes.
118	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.
119	N		Penryn			California
119	NW		Lake Sonoma			California	A site used by TAC
121	E		Coarsegold			California
121	N		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
123	E		Ahwahnee Hills Observatory			California	A private observatory located in Ahwahnee.
123	N		Auburn			California	Forecast also covers the Auburn State Recreation Area
123	N		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
124	E		Fresno			California	Home of the Central Valley Astronomers.
124	NE		Rancho Del Sol Observatory			California	A private observatory near Camino.
125	SE		Parkfield			California	A town in Monterey county.
126	E		Bayt Observatory			California	A private observatory near Coarsegold.
126	SE		Ranchita Canyon Observatory			California	A private observatory Monterey County.
127	E		HOLT Observatory			California	A private observatory.
129	N		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
129	N		Taylor Observatory			California	A community Observatory in Kelseyville.
130	N		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
130	NE		Peddler Hill			California	A site used by the Stockton Astronomical Society.
131	E		Horsetail Fall			California	A seasonal waterfall in Yosemite National Park.
131	NW		Sea Ranch			California	A private ranch near Gualala.
131	SE		Cuesta College - North County Campus			California	A campus of Cuesta College. Site of star parties held by the Central Coast Astronomical Society.
133	NE		Donnell Vista			California	A recreation area in the Stanislaus National Forest.
134	E		Glacier Point			California	A site of public star parties. In Yosemite National Park.
134	NE		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
134	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
135	NE		Shot Rock			California	A spot along the Carson Pass Highway.
135	SE		Redman Observatory			California	A private observatory.
136	NE		Ice House Observation Plateau			California
136	NW		Gualala			California
136	SE		Lemoore			California	A town in Kings county.
137	NE		Foresthill			California
138	N		Rock Hill Observatory			California	A private observatory in Grass Valley.
140	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.
140	SE		Atascadero			California
141	N		Penn Valley			California
142	SE		Cerro Alto Campground			California	Campground 8 miles from Morro Bay
142	SE		Hanford			California
144	E		Lost Valley Observatory			California	A private observatory between Yosemite and Kings Canyon in the Sierra Nevada Mountains.
145	E		Shaver Lake			California
145	NW		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
146	N		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
147	N		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
147	NW		Lookout Ranch			California	A private ranch.
148	N		Nevada City			California
148	SE		Bowen Observatory			California	Observatory of Cuesta College.
149	E		Yamada Observatory			California	A private observatory in Wonder Valley, east of Fresno.
152	NE		Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
152	SE		Cal Poly Observatory			California	Observatory of California Polytechnic State University. Near San Luis Obispo.
153	NW		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
154	NE		Blue Canyon			California	Airport site used by the Sacramento Valley Astronomical Society.
155	SE		Santa Margarita Lake			California	A site in Santa Margarita Lake Regional Park used by the Central Coast Astronomcal Society.
157	N		Feather River Observatory			California	A private observatory in Oroville.
157	SE		Navajo Flats			California	A site used by the Central Coast Astronomical Society
158	NE		South Lake Tahoe			California
159	SE		Visalia			California	A town in Tulare.
160	NE		Sierra Stars Observatory			California	A private observatory near Paynesville.
161	SE		Arthur Purcell Observatory			California	Observatory of the Tulare Astronomical Association.
162	E		Conway Summit			California	A dark site 12 miles north of Lee Vinning in Mono County.
162	NE		Bertucci's Sky			Nevada	A private observatory.
162	NE		Cottontail Observatory			California	A private observatory somewhere around Walker.
163	NE		Monitor Pass			California
164	E		Courtright Reservoir			California	Observing site used by the Central Valley Astronomers
164	NE		Bridgeport Lake Private Observatory			California	A private observatory in Bridgeport Valley.
165	E		Mammoth Observatory			California	A private observatory near Mammoth Lakes.
166	E		Crestview			California	A hill site near Crestview, a few miles north-west of Mammoth Lakes in Inyo National Forest.
166	SE		Arroyo Grande			California
167	E		Redwood Mountain View			California	A vacation rental.
167	NE		Gardnerville			Nevada
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		Ruhenstroth Observatory			Nevada	A private observatory somewhere around Gardnerville.
169	NE		Northstar Ski Resort			California	Resort and site of commercial star tours. Near Lake Tahoe.
170	N		Big Bird Observatory			California	A private observatory near Paradise.
170	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
172	NE		Bodie			California
173	NE		Virgo Skyline Observatory.			Nevada	A private observatory.
174	E		Big Meadow			California	Observing site used by the Tulare Astronomical Association and the Central Valley Astronomers.
174	NE		Sand Point			Nevada	In Lake Tahoe Nevada State Park, Near Incline Village.
174	NE		Martis Creek Campground			California	A site used by the Astronomical Society of Nevada.
174	NE		Wellington			Nevada
175	N		Meadow View Observatory			California	A private observatory.
175	N		Paradise			California
175	N		Saddleback Observatory			California	A private observatory.
175	NW		Mendocino			California
176	N		Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
178	E		South Fork Observatory			California	A private observatory near Three Rivers.
178	NE		Jack C. Davis Observatory			Nevada	Observatory of the Western Nevada Community College. Affiliated with the Western Nevada Astronomical Society. In Carson City
179	N		Buckhorn Recreation Area			California	Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
179	N		Little Grass Valley Reservoir			California	Rservoir surounded by Little Grass Valley Recreation Area with several campgrounds.
179	SE		Santa Maria			California	In Santa Barbara county.

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