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

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