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			Montebello			California	Montebello Open Space Preserve is a site used by TAC
3	N		Vista Hill			California	A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society.
4	NE		Foothill Observatory			California	Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills.
6	N		Stanford			California	Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society.
6	N		Stanford Faculty Observatory			California	A private observatory of a faculty member of Stanford University.
7	NE		Mountain View			California
8	E		Cupertino			California
8	E		Greenhawk Observatory			California	A private observatory.
9	N		Menlo Park			California
9	N		Menlo School			California	A school with an astronomy club. In Atherton
10	SE		Saratoga			California
11	SE		Oak Ridge Observatory			California	Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains.
12	SW		Pescadero			California
14	SE		Ross Creek Observatory			California	A private observatory in San Jose.
15	NW		Ewell Observatory			California
16	E		San Jose			California	Home of the San Jose Astronomical Association.
17	NW		CSM Observatory			California	Observatory of the astronomy department of College of San Mateo.
17	SE		Holmes Observatory			California	A private observatory near Lompico.
17	SE		Summit View Observatory			California	A private observatory in the Santa Cruz Mountains.
18	NW		San Mateo			California
18	S		Bonny Doon Airfield			California	A site used by the Santa Cruz Astronomy Club.
19	NE		Fremont			California	The town in Alameda country.
19	NW		Half Moon Bay			California
22	S		Davenport Beach			California	A beach in Davenport.
23	S		Baskin Engineering Observatory			California	An observatory of the University of California, Santa Cruz.
25	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.
26	E		Telescope Row			California	A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties.
26	N		Castro Valley			California
26	NW		Pacifica			California
26	S		Santa Cruz			California	Home of the Santa Cruz Astronomy Club.
26	SE		Hidden Valley Observatory			California	A private observatory near Soquel.
27	E		Santa Teresa Spring			California
27	SE		Cabrillo College Observatory			California	Observatory of Cabrillo College.
28	N		Barking Spider Observatory			California	A private observatory near Castro Valley.
30	E		Mount Hamilton			California	Home of the Lick Observatory.
30	SE		BREIT IDEAS Observatory			California	A private observatory outside Morgan Hill.
32	N		DarkSights Observatory			California	A private observatory.
32	NW		San Francisco State University Observatory			California	Observatory of SFSU at Thornton Hall.
32	SE		Morgan Hill			California
33	N		Oakland			California
33	NE		Del Valle			California	Site details.
33	NE		Livermore			California	Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
33	NE		San Ramon			California	Site of outreach events held by the Eastbay Astronomical Society.
34	N		Chabot Space and Science Center			California	A science center home to the Eastbay Astronomical Society. In Oakland.
34	NW		San Francisco			California	Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
35	NW		Morrison Planetarium			California	Planetarium at the California Academy of Sciences. In San Francisco.
36	E		Henry Coe State Park			California	A site used by SJAA and TAC
36	N		Saint Mary's College Observatory			California	AKA Geissberger Observatory. Observatory of Saint Mary's College.
38	E		Coyote Lake			California	A county park used by members of the SJAA and TAC.Near Gilroy.
38	N		Lawrence Hall of Science			California	A public and school science center of the University of California at Berkeley.
39	E		Hidden Hill Observatory			California	Observatory of the Tri-Valley Stargazers
41	N		Mount Diablo			California	Home of the Mt. Diablo Astronomical Society.
43	N		CBA Concord Observatory			California	A private Observatory. Part of the Center for Backyard Astrophysics.
43	N		Point Richmond			California
44	N		Concord Observatory			California	A private observatory in Concord.
45	N		Diablo Valley College			California	College near Concord.
46	N		Hercules Stargazers Alternate Site			California	An observing site of the Hercules Stargazers in Hanna Ranch Park.
47	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).
48	E		Dowdy Ranch Visitor Center			California	South-eastern visitors center of Henry Coe State Park.
48	N		Foxboro Park			California	City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
48	NE		Tracy Airport			California
49	NW		San Rafael			California	A site used by the used by the Marin Observers.
50	NE		Brentwood			California	Forecast also covers Byran and Oakley.
50	SE		MIRA Weaver Student Observatory			California	Public observatory of the Monterey Institute for Research in Astronomy.
51	NE		DVHS Espace Academy			California	ESpace Academy, part of Deer Valley High School In Antioch.
53	S		Cypress Point Club			California	A golf course.
54	S		La Mesa Urban Observatory			California	A private observatory in Monterey.
54	SE		Fremont Peak			California	A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park.
54	SE		Maple's Observatory			California	A private observatory somewhere around Salinas.
55	N		Vallejo Observatory			California	A private observatory site close to Vallejo.
55	S		Carmel			California
56	E		Pacheco State Park			California	A state park used as a dark sky site.
57	N		North Point Observatory			California	A private observatory.
58	E		Dinosaur Point			California	A site used by SJAA and TAC
59	E		Newman Vista Point			California	A lookout on Interstate 5.
63	NE		Rio Vista			California	A town in Solano county.
65	NE		Stockton			California	Home of the Stockton Astronomical Society.
65	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.
67	N		Napa			California
68	N		Sonoma			California
68	SE		Tularcitos Observatory			California	A site used by the Mira Observers Group
69	E		Modesto			California	Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
70	NW		Marshall			California	A town in Marin county by Tomales Bay.
72	N		Vacaville			California
74	E		Turlock			California	A town in Stanislaus county.
74	N		Blue Ridge			California	The general area of Blue Ridge, in the Vaca Mountains.
75	N		Sonoma State University Observatory			California	observatory in Sonoma State University. Near Rohnert Park and Cotati
75	NE		Lodi			California
76	NE		Green Acres Observatory			California	A private observatory.
78	S		Pfeiffer Big Sur State Park			California	State park in Big Sur.
78	SE		MIRA Chews Ridge Observatory			California	Observatory of the Monterey Institute for Research in Astronomy.
79	N		Robert Ferguson Observatory			California	Observatory in Sugar Loaf Ridge State Park near Kenwood.
80	SE		Panoche Pass			California
81	SE		Pinnacles Campground			California	Campground at the east entrance of Pinnacles National Park.
82	N		Santa Rosa			California
84	SE		D.A.R.C. Observatory			California	A private observatory near Mercy Hot Springs.
85	N		SPARQ Observatory			California	Observatory of SPARQ at Piner High School. In Santa Rosa.
86	NW		Occidental Observatory			California	Near Occidental.
87	NE		Elk Grove			California	Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
88	N		Angwin			California
88	N		Davis			California	A town in Yolo county.
88	NW		Forestville			California	A town in Sonoma county.
89	NE		Telegraph City			California	A site used by some members of the Stockton Astronomical Society.
89	NE		Wilton			California
90	N		Hume Observatory			California	Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
92	NW		The Bishop's Ranch			California	Retreat and conference center.
93	E		Merced			California
95	N		Esparto			California	Site used by the Davis Astronomers.
95	NE		Sacramento			California	Home of the Sacrameto Valley Astronomical Association.
96	N		Putah Creek Observatory			California	Future site of a private observatory in Pope Valley.
96	NW		Vista Trail			California	Trail and overlook in Sonoma County.
97	S		Limekiln State Park			California	State park near Big Sur. Forcast also covers the lookout tower at Cone Peak.
98	NE		Pardee Reservoir Recreation Area			California	Recreation area used as an observing site by the Stockton Astronomical Society.
103	NE		AngelKillarney s City			California	AKA Angels Camp. A town in Calaveras county.
103	NE		Rancho Cordova			California	A private site of the Sacramento Valley Active Astronomers Research Group.
106	E		Don Pedro Reservoir			California	Centered on a public scenic outlook at the north end of lake and recreation area.
108	NW		Lake Sonoma			California	A site used by TAC
109	N		Ghost Pine Observatory			California	A private observatory in the Upper Capay Valley.
109	SE		Condon Peak Campground			California	A campground on BLM land.
110	NE		Sierra Skies Observatory			California	A private observatory.
113	E		Greeley Hill Observatory			California	A private observatory near Coulterville.
113	NE		Folsom Lake State Recration Area			California	State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
114	E		Mendota Wildlife Area			California	A wildlife area a few files north-east of Tranquillity.
114	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.
114	NE		Buena Vista Observatory			California	A private observatory.
115	NE		Fiddletown			California	A site about 6 miles east of Fiddletown proper.
118	NE		Arnold Observatory			California	A private observatory.
118	NW		Sea Ranch			California	A private ranch near Gualala.
119	N		Clear Lake			California	Covers the Clear Lake area inclunding Boggs Mountain State Forest.
119	N		Tisdale Boat Launch			California	A public boat launch, though there is a fee.
119	N		Taylor Observatory			California	A community Observatory in Kelseyville.
119	NE		Heaven's Plateau			California	Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
119	NE		Penryn			California
120	N		Waltz Road			California	A a spot along Waltz road. Near Wheatland.
120	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.
122	E		Eastman Lake Recreation Area			California	Recreation area used by the Central Valley Astronomers.
122	E		Lee DaSilva Observatory			California	A private observatory near Madera.
122	SE		SkiesAway Remote Observatories			California	A commerical observatory hosting remote telescopes.
123	E		Mariposa Fairgrounds			California	Fairgrounds in Mariposa county.
123	NE		High Sierra Park			California	In the Stanislaus National Forest near Mi-Wuk Village.
123	NE		Keeton Observing Site			California	A private observing site also used by some members of the Sacramento Valley Astronomical Society
123	NW		Galbreath Wildlands Preserve			California	Wildlife preserve of Sonoma State University.
124	NE		Auburn			California	Forecast also covers the Auburn State Recreation Area
124	NW		Gualala			California
125	SE		Lake San Antonio			California	A site used by SJAA and TAC
127	E		Hensley Lake			California	Regular observing site of the Central Valley Astronomers.
127	N		Yuba City Astronomical Observatory			California	A private observatory in Yuba City.
128	NE		Rancho Del Sol Observatory			California	A private observatory near Camino.
132	E		Artis Observatory			California	A private observatory somewhere around Yosemite Lakes.
135	E		Coarsegold			California
135	N		Powerpoint Lookout			California	A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
135	NW		Lookout Ranch			California	A private ranch.
136	E		Ahwahnee Hills Observatory			California	A private observatory located in Ahwahnee.
136	NE		Peddler Hill			California	A site used by the Stockton Astronomical Society.
138	NE		Foresthill			California
138	NE		Rock Hill Observatory			California	A private observatory in Grass Valley.
138	SE		Parkfield			California	A town in Monterey county.
138	SE		Ranchita Canyon Observatory			California	A private observatory Monterey County.
139	E		Fresno			California	Home of the Central Valley Astronomers.
140	E		Bayt Observatory			California	A private observatory near Coarsegold.
140	E		HOLT Observatory			California	A private observatory.
140	N		Penn Valley			California
140	NE		Ice House Observation Plateau			California
140	NE		Shot Rock			California	A spot along the Carson Pass Highway.
141	NE		Bear Valley			California	A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
142	NE		Donnell Vista			California	A recreation area in the Stanislaus National Forest.
143	E		Horsetail Fall			California	A seasonal waterfall in Yosemite National Park.
143	N		Rubicon Observatory			California	A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
143	SE		Cuesta College - North County Campus			California	A campus of Cuesta College. Site of star parties held by the Central Coast Astronomical Society.
145	E		Glacier Point			California	A site of public star parties. In Yosemite National Park.
146	NE		NCC Robotic Observatory			California	Observatory of Sierra College in Grass Valley.
147	NE		James Clerk Maxwell Observatory			California	A private observatory near Nevada City.
147	SE		Redman Observatory			California	A private observatory.
148	NE		Nevada City			California
150	SE		Lemoore			California	A town in Kings county.
152	SE		Atascadero			California
153	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.
154	N		Feather River Observatory			California	A private observatory in Oroville.
154	SE		Cerro Alto Campground			California	Campground 8 miles from Morro Bay
155	NE		Blue Canyon			California	Airport site used by the Sacramento Valley Astronomical Society.
156	SE		Hanford			California
158	E		Lost Valley Observatory			California	A private observatory between Yosemite and Kings Canyon in the Sierra Nevada Mountains.
158	NE		Lightholder Optics Observatory			California	Observatory of Lightholder Optics.
159	E		Shaver Lake			California
159	NW		Chamberlain Creek Rest Stop			California	A public rest-stop on Highway 20.
159	SE		Bowen Observatory			California	Observatory of Cuesta College.
163	E		Yamada Observatory			California	A private observatory in Wonder Valley, east of Fresno.
163	NW		Mendocino			California
164	NE		South Lake Tahoe			California
164	SE		Cal Poly Observatory			California	Observatory of California Polytechnic State University. Near San Luis Obispo.
166	NE		Sierra Stars Observatory			California	A private observatory near Paynesville.
167	N		Big Bird Observatory			California	A private observatory near Paradise.
167	SE		Santa Margarita Lake			California	A site in Santa Margarita Lake Regional Park used by the Central Coast Astronomcal Society.
168	NE		Bertucci's Sky			Nevada	A private observatory.
169	NE		Monitor Pass			California
170	N		Meadow View Observatory			California	A private observatory.
170	SE		Navajo Flats			California	A site used by the Central Coast Astronomical Society
171	N		Chico Community Observatory			California	A community observatory in Upper Bidwell Park.
171	N		Paradise			California
171	NE		Cottontail Observatory			California	A private observatory somewhere around Walker.
172	E		Conway Summit			California	A dark site 12 miles north of Lee Vinning in Mono County.
172	N		Buckhorn Recreation Area			California	Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
172	NE		Northstar Ski Resort			California	Resort and site of commercial star tours. Near Lake Tahoe.
173	NE		Bridgeport Lake Private Observatory			California	A private observatory in Bridgeport Valley.
173	NE		Gardnerville			Nevada
174	E		Visalia			California	A town in Tulare.
174	NE		Ruhenstroth Observatory			Nevada	A private observatory somewhere around Gardnerville.
175	NE		Saddleback Observatory			California	A private observatory.
175	SE		Arthur Purcell Observatory			California	Observatory of the Tulare Astronomical Association.
176	NW		Starry Kingdom Observatory			California	A private observatory in Laytonville.
177	E		Courtright Reservoir			California	Observing site used by the Central Valley Astronomers
177	E		Mammoth Observatory			California	A private observatory near Mammoth Lakes.
177	NE		Martis Creek Campground			California	A site used by the Astronomical Society of Nevada.
177	SE		Arroyo Grande			California
178	E		Crestview			California	A hill site near Crestview, a few miles north-west of Mammoth Lakes in Inyo National Forest.
178	N		Little Grass Valley Reservoir			California	Rservoir surounded by Little Grass Valley Recreation Area with several campgrounds.
178	NE		Sand Point			Nevada	In Lake Tahoe Nevada State Park, Near Incline Village.
178	NE		Virgo Skyline Observatory.			Nevada	A private observatory.

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