Clear Sky Chart

Charts within 180mi of the Portola clear sky chart

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0 Portola
 
California   A site of the RECON project
15E Trapshoot
 
California   Public site used by Astronomical Society of Nevada. Near Chilcoot.
24SW Saddleback Observatory
 
California   A private observatory.
27W Quincy
 
California   A site of the RECON project
28W Little Grass Valley Reservoir
 
California   Rservoir surounded by Little Grass Valley Recreation Area with several campgrounds.
29E Deer Lodge Site
 
Nevada   North of Reno. A site on Deer Lodge road used by the Astronomical Society of Nevada.
34NW Greenville
 
California   A site of the RECON project
38SE Martis Creek Campground
 
California   A site used by the Astronomical Society of Nevada.
39SE Fleischmann Planetarium and Science Center
 
Nevada   Planetarium and science center in Reno.
40S Blue Canyon
 
California   Airport site used by the Sacramento Valley Astronomical Society.
40SE Reno
 
Nevada   Home of the Astronomical Society of Nevada.
41N Bateson Observatory
 
California   A private observatory near Susanville.
42E Range Land
 
Nevada   A private site of the Astronomical Society of Nevada.
43SE Northstar Ski Resort
 
California   Resort and site of commercial star tours. Near Lake Tahoe.
47SE Maclean Observatory
 
Nevada   Observatory of the University of Nevada, Reno.
47SW Nevada City
 
California  
49SW James Clerk Maxwell Observatory
 
California   A private observatory near Nevada City.
50SE Sand Point
 
Nevada   In Lake Tahoe Nevada State Park, Near Incline Village.
50SW NCC Robotic Observatory
 
California   Observatory of Sierra College in Grass Valley.
51SE Washoe Zephyr Observatory
 
Nevada   A private observatory in Washoe Valley.
56SE Jack C. Davis Observatory
 
Nevada   Observatory of the Western Nevada Community College. Affiliated with the Western Nevada Astronomical Society. In Carson City
56SW Rock Hill Observatory
 
California   A private observatory in Grass Valley.
57S Foresthill
 
California  
57SW Penn Valley
 
California  
59W Big Bird Observatory
 
California   A private observatory near Paradise.
59W Feather River Observatory
 
California   A private observatory in Oroville.
61W Paradise
 
California  
62N Eagle Lake
 
California   Site of public astronomy session by Bateson Observatory personnel.
65SE South Lake Tahoe
 
California  
67SE Virgo Skyline Observatory.
 
Nevada   A private observatory.
70S Ice House Observation Plateau
 
California  
70S Lightholder Optics Observatory
 
California   Observatory of Lightholder Optics.
70SW Auburn
 
California   Forecast also covers the Auburn State Recreation Area
70W Chico Community Observatory
 
California   A community observatory in Upper Bidwell Park.
71E Gas Line Road
 
Nevada   South of Fernley. A site used by the Astronomical Society of Nevada.
71SE Gardnerville
 
Nevada  
72NW Lassen National Park
 
California   Two sites used by TAC: Devastated Area and Bumpass Hell. No, really. I'm not making this up.
72SE Bertucci's Sky
 
Nevada   A private observatory.
72W Meadow View Observatory
 
California   A private observatory.
75S Rancho Del Sol Observatory
 
California   A private observatory near Camino.
76SE Ruhenstroth Observatory
 
Nevada   A private observatory somewhere around Gardnerville.
76SW Penryn
 
California  
77S 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.
77SW Waltz Road
 
California   A a spot along Waltz road. Near Wheatland.
78N WYA Eastern Lassen Site
 
California   A informal site used by the West Yolo Astronomers in the Lassen National Forest near the town of Red Rock.
78SE Sierra Stars Observatory
 
California   A private observatory near Paynesville.
78SW Yuba City Astronomical Observatory
 
California   A private observatory in Yuba City.
82S Buena Vista Observatory
 
California   A private observatory.
82SW Folsom Lake State Recration Area
 
California   State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom.
83S Shot Rock
 
California   A spot along the Carson Pass Highway.
83SE Monitor Pass
 
California  
85S Peddler Hill
 
California   A site used by the Stockton Astronomical Society.
85SW Sierra Skies Observatory
 
California   A private observatory.
88NW Wilson Hill Observatory
 
California   A private observatory near Shingletown.
89SE Yerington
 
Nevada   A site of the RECON project
90S Keeton Observing Site
 
California   A private observing site also used by some members of the Sacramento Valley Astronomical Society
90SW Tisdale Boat Launch
 
California   A public boat launch, though there is a fee.
91S Fiddletown
 
California   A site about 6 miles east of Fiddletown proper.
92NE Black Rock Desert
 
Nevada   A site used by the Astronomical Society of Nevada.
92SW Rancho Cordova
 
California   A private site of the Sacramento Valley Active Astronomers Research Group.
93SE Wellington
 
Nevada  
95S Bear Valley
 
California   A town in Alpine county. Forecast also covers Tamarack and Lake Alpine.
97NW Baum Lake
 
California  
98N Likely Place Golf & RV Resort
 
California   golf course and RV resort. Home of the Stellarvue Dark Sky Star Party.
99N Golden State Star Party
 
California   The GSSP is a star party held by the The Astronomy Connection(TAC). Near Adin.
99S Heaven's Plateau
 
California   Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville.
101SW Sacramento
 
California   Home of the Sacrameto Valley Astronomical Association.
101W Buckhorn Recreation Area
 
California   Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party.
103E Grimes Point
 
Nevada   In Fallon. A site used by the Astronomical Society of Nevada.
104NW Cottonwood
 
California   A town in Shasta county.
104SE Cottontail Observatory
 
California   A private observatory somewhere around Walker.
105S Donnell Vista
 
California   A recreation area in the Stanislaus National Forest.
107S Pardee Reservoir Recreation Area
 
California   Recreation area used as an observing site by the Stockton Astronomical Society.
107SW Wilton
 
California  
108SW Elk Grove
 
California   Used for public star parties by the Sacramento Valley Astronomical Association (SVAS).
109S Arnold Observatory
 
California   A private observatory.
110SW Davis
 
California   A town in Yolo county.
113SW Esparto
 
California   Site used by the Davis Astronomers.
114SW Ghost Pine Observatory
 
California   A private observatory in the Upper Capay Valley.
115NW Schreder Planetarium
 
California   A planetarium with public observing sessions. In Redding.
120N Cedarville
 
California   A site of the RECON project
120S AngelKillarney s City
 
California   AKA Angels Camp. A town in Calaveras county.
120S High Sierra Park
 
California   In the Stanislaus National Forest near Mi-Wuk Village.
121NW Shasta Dam
 
California  
122NW Whiskeytown National Recreation Area
 
California   A national recreation area west of Redding. This chart is centered on the parking lot of the Shasta Mine Loop Trailhead. It is site of astronomy programs led by the park rangers and is used as an observing site by the Shasta Astronomy Club.
123S Lodi
 
California  
125NW Brandy Creek Boat Ramp
 
California   Used by some members of the Shasta Astronomy Club. On Whiskytown Lake. Forecast covers the Whiskytown National Recreation Area.
126SE Bridgeport Lake Private Observatory
 
California   A private observatory in Bridgeport Valley.
128SW Putah Creek Observatory
 
California   Future site of a private observatory in Pope Valley.
129SW Vacaville
 
California  
130S Telegraph City
 
California   A site used by some members of the Stockton Astronomical Society.
131SW Blue Ridge
 
California   The general area of Blue Ridge, in the Vaca Mountains.
131SW Rio Vista
 
California   A town in Solano county.
132N Massacre Rim
 
Nevada   Public BLM land designated as a dark-sky sanctuary.
133SE Bodie
 
California  
133SE Hawthorne
 
Nevada  
133SW Clear Lake
 
California   Covers the Clear Lake area inclunding Boggs Mountain State Forest.
134E First Light Observatory
 
Nevada   A private observatory
135S Stockton
 
California   Home of the Stockton Astronomical Society.
136S Don Pedro Reservoir
 
California   Centered on a public scenic outlook at the north end of lake and recreation area.
136SW Angwin
 
California  
137SE Conway Summit
 
California   A dark site 12 miles north of Lee Vinning in Mono County.
138SW Taylor Observatory
 
California   A community Observatory in Kelseyville.
139NW Lewiston Lake
 
California   A public parking area on Lewiston Lake.
140S Green Acres Observatory
 
California   A private observatory.
141W Powerpoint Lookout
 
California   A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.)
142NW Mount Shasta
 
California   A town in Siskiyou county. Home of the Mount Shasta StarGazers
143N Lava Beds National Monument
 
California   National monument
143SW DVHS Espace Academy
 
California   ESpace Academy, part of Deer Valley High School In Antioch.
143SW Napa
 
California  
144S Greeley Hill Observatory
 
California   A private observatory near Coulterville.
144SW Robert Ferguson Observatory
 
California   Observatory in Sugar Loaf Ridge State Park near Kenwood.
145SW Brentwood
 
California   Forecast also covers Byran and Oakley.
146SW Hume Observatory
 
California   Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network.
148NE Dun Glen
 
Nevada  
149SW Vallejo Observatory
 
California   A private observatory site close to Vallejo.
150S Horsetail Fall
 
California   A seasonal waterfall in Yosemite National Park.
150SW Sonoma
 
California  
150W Rubicon Observatory
 
California   A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino.
151S Glacier Point
 
California   A site of public star parties. In Yosemite National Park.
152S Modesto
 
California   Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College.
152SW Concord Observatory
 
California   A private observatory in Concord.
153SW Diablo Valley College
 
California   College near Concord.
153SW Santa Rosa
 
California  
154SW CBA Concord Observatory
 
California   A private Observatory. Part of the Center for Backyard Astrophysics.
154SW Mount Diablo
 
California   Home of the Mt. Diablo Astronomical Society.
154SW SPARQ Observatory
 
California   Observatory of SPARQ at Piner High School. In Santa Rosa.
155S Plettstone
 
California   Home of the Dale Jay Steed Observatory, a private observatory. A site used by members of TAC and the SJAA. Near Mariposa.
155S Tracy Airport
 
California  
155SW Sonoma State University Observatory
 
California   observatory in Sonoma State University. Near Rohnert Park and Cotati
155SW The Bishop's Ranch
 
California   Retreat and conference center.
156NW Lake Shastina
 
California   About 17 miles north of Mt. Shasta.
157SW Foxboro Park
 
California   City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers.
157SW Hercules Stargazers Alternate Site
 
California   An observing site of the Hercules Stargazers in Hanna Ranch Park.
157SW Lake Sonoma
 
California   A site used by TAC
158N Tulelake
 
California   A site of the RECON project
159NE Onion Valley Campground
 
Nevada   Campground on BLM land.
159SW Forestville
 
California   A town in Sonoma county.
160SW North Point Observatory
 
California   A private observatory.
160W Starry Kingdom Observatory
 
California   A private observatory in Laytonville.
161S Turlock
 
California   A town in Stanislaus county.
161SE McGee Creek
 
California  
162SE Crestview
 
California   A hill site near Crestview, a few miles north-west of Mammoth Lakes in Inyo National Forest.
162SW Livermore
 
California   Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton.
162SW Occidental Observatory
 
California   Near Occidental.
162SW Saint Mary's College Observatory
 
California   AKA Geissberger Observatory. Observatory of Saint Mary's College.
162SW San Ramon
 
California   Site of outreach events held by the Eastbay Astronomical Society.
163SW DarkSights Observatory
 
California   A private observatory.
163W Galbreath Wildlands Preserve
 
California   Wildlife preserve of Sonoma State University.
164NW LJR Observatory
 
California   A private observatory.
164S Mariposa Fairgrounds
 
California   Fairgrounds in Mariposa county.
164SW Lawrence Hall of Science
 
California   A public and school science center of the University of California at Berkeley.
165NE Winnemucca
 
Nevada  
165SW Chabot Space and Science Center
 
California   A science center home to the Eastbay Astronomical Society. In Oakland.
166SW Del Valle
 
California   Site details.
166SW Point Richmond
 
California  
167E Berlin-Ichthyosaur State Park
 
Nevada   AKA B-I State park.
167W Hyampom
 
California  
168SW Barking Spider Observatory
 
California   A private observatory near Castro Valley.
168SW San Rafael
 
California   A site used by the used by the Marin Observers.
168W Chamberlain Creek Rest Stop
 
California   A public rest-stop on Highway 20.
169SE Mammoth Observatory
 
California   A private observatory near Mammoth Lakes.
169SW Oakland
 
California  
170SW Castro Valley
 
California  
171NW Etna
 
California  
171SW Vista Trail
 
California   Trail and overlook in Sonoma County.
172S Ahwahnee Hills Observatory
 
California   A private observatory located in Ahwahnee.
173S Merced
 
California  
173SW Marshall
 
California   A town in Marin county by Tomales Bay.
174SW 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).
175S Hidden Hill Observatory
 
California   Observatory of the Tri-Valley Stargazers
175SW San Francisco
 
California   Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers.
175W Lookout Ranch
 
California   A private ranch.
176S Newman Vista Point
 
California   A lookout on Interstate 5.
176SW Fremont
 
California   The town in Alameda country.
177S HOLT Observatory
 
California   A private observatory.
177SE Pinchot Creek
 
Nevada   On BLM land.
177SW Morrison Planetarium
 
California   Planetarium at the California Academy of Sciences. In San Francisco.
177SW Sea Ranch
 
California   A private ranch near Gualala.
179NW Black Mountain Observatory
 
California   A site of a future private observatory near Hornbrook.
179SW Gualala
 
California  
180S Bayt Observatory
 
California   A private observatory near Coarsegold.
180SW San Francisco State University Observatory
 
California   Observatory of SFSU at Thornton Hall.


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