Distance Mi |
Bear -ing |
S p o n s o r e d? |
Chart | Preview color key | Light Pollution | Prov/State | Comments/Links |
0 | |
|
Penn Valley |
|
|
California |
|
8 | NE |
|
NCC Robotic Observatory |
|
|
California |
Observatory of Sierra College in Grass Valley. |
9 | NE |
|
James Clerk Maxwell Observatory |
|
|
California |
A private observatory near Nevada City. |
10 | NE |
|
Nevada City |
|
|
California |
|
11 | SE |
|
Rock Hill Observatory |
|
|
California |
A private observatory in Grass Valley. |
21 | S |
|
Auburn |
|
|
California |
Forecast also covers the Auburn State Recreation Area |
21 | SW |
|
Waltz Road |
|
|
California |
A a spot along Waltz road. Near Wheatland. |
22 | SE |
|
Foresthill |
|
|
California |
|
23 | S |
|
Penryn |
|
|
California |
|
25 | W |
|
Yuba City Astronomical Observatory |
|
|
California |
A private observatory in Yuba City. |
26 | E |
|
Blue Canyon |
|
|
California |
Airport site used by the Sacramento Valley Astronomical Society. |
27 | NW |
|
Feather River Observatory |
|
|
California |
A private observatory in Oroville. |
31 | S |
|
Folsom Lake State Recration Area |
|
|
California |
State recreation area norteast of Sacramento. Chart also covers the towns of Roseville and Folsom. |
35 | NE |
|
Saddleback Observatory |
|
|
California |
A private observatory. |
36 | S |
|
Sierra Skies Observatory |
|
|
California |
A private observatory. |
36 | SE |
|
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. |
36 | W |
|
Tisdale Boat Launch |
|
|
California |
A public boat launch, though there is a fee. |
38 | N |
|
Little Grass Valley Reservoir |
|
|
California |
Rservoir surounded by Little Grass Valley Recreation Area with several campgrounds. |
38 | S |
|
Buena Vista Observatory |
|
|
California |
A private observatory. |
41 | NW |
|
Big Bird Observatory |
|
|
California |
A private observatory near Paradise. |
41 | S |
|
Rancho Cordova |
|
|
California |
A private site of the Sacramento Valley Active Astronomers Research Group. |
44 | SE |
|
Rancho Del Sol Observatory |
|
|
California |
A private observatory near Camino. |
45 | S |
|
Sacramento |
|
|
California |
Home of the Sacrameto Valley Astronomical Association. |
46 | NW |
|
Paradise |
|
|
California |
|
50 | SE |
|
Ice House Observation Plateau |
|
|
California |
|
52 | NW |
|
Chico Community Observatory |
|
|
California |
A community observatory in Upper Bidwell Park. |
53 | N |
|
Quincy |
|
|
California |
A site of the RECON project |
53 | NW |
|
Meadow View Observatory |
|
|
California |
A private observatory. |
54 | SW |
|
Davis |
|
|
California |
A town in Yolo county. |
55 | S |
|
Elk Grove |
|
|
California |
Used for public star parties by the Sacramento Valley Astronomical Association (SVAS). |
56 | E |
|
Northstar Ski Resort |
|
|
California |
Resort and site of commercial star tours. Near Lake Tahoe. |
56 | S |
|
Wilton |
|
|
California |
|
56 | SE |
|
Fiddletown |
|
|
California |
A site about 6 miles east of Fiddletown proper. |
56 | SW |
|
Esparto |
|
|
California |
Site used by the Davis Astronomers. |
57 | E |
|
Martis Creek Campground |
|
|
California |
A site used by the Astronomical Society of Nevada. |
57 | NE |
|
Portola |
|
|
California |
A site of the RECON project |
60 | SE |
|
Keeton Observing Site |
|
|
California |
A private observing site also used by some members of the Sacramento Valley Astronomical Society |
60 | W |
|
Ghost Pine Observatory |
|
|
California |
A private observatory in the Upper Capay Valley. |
65 | S |
|
Pardee Reservoir Recreation Area |
|
|
California |
Recreation area used as an observing site by the Stockton Astronomical Society. |
65 | SE |
|
Peddler Hill |
|
|
California |
A site used by the Stockton Astronomical Society. |
66 | SE |
|
Shot Rock |
|
|
California |
A spot along the Carson Pass Highway. |
67 | E |
|
Lightholder Optics Observatory |
|
|
California |
Observatory of Lightholder Optics. |
67 | E |
|
Sand Point |
|
|
Nevada |
In Lake Tahoe Nevada State Park, Near Incline Village. |
67 | E |
|
South Lake Tahoe |
|
|
California |
|
67 | N |
|
Greenville |
|
|
California |
A site of the RECON project |
67 | NE |
|
Trapshoot |
|
|
California |
Public site used by Astronomical Society of Nevada. Near Chilcoot. |
69 | SE |
|
Heaven's Plateau |
|
|
California |
Site of future private observatory, Frequented by some members of the Stockton Astronomical Society . Near Wilseyville. |
72 | SW |
|
Vacaville |
|
|
California |
|
73 | S |
|
Lodi |
|
|
California |
|
73 | SW |
|
Putah Creek Observatory |
|
|
California |
Future site of a private observatory in Pope Valley. |
74 | E |
|
Jack C. Davis Observatory |
|
|
Nevada |
Observatory of the Western Nevada Community College. Affiliated with the Western Nevada Astronomical Society. In Carson City |
74 | SW |
|
Blue Ridge |
|
|
California |
The general area of Blue Ridge, in the Vaca Mountains. |
75 | NE |
|
Deer Lodge Site |
|
|
Nevada |
North of Reno. A site on Deer Lodge road used by the Astronomical Society of Nevada. |
76 | E |
|
Washoe Zephyr Observatory |
|
|
Nevada |
A private observatory in Washoe Valley. |
76 | S |
|
Rio Vista |
|
|
California |
A town in Solano county. |
77 | E |
|
Bertucci's Sky |
|
|
Nevada |
A private observatory. |
77 | E |
|
Fleischmann Planetarium and Science Center |
|
|
Nevada |
Planetarium and science center in Reno. |
77 | E |
|
Maclean Observatory |
|
|
Nevada |
Observatory of the University of Nevada, Reno. |
77 | E |
|
Reno |
|
|
Nevada |
Home of the Astronomical Society of Nevada. |
77 | NW |
|
Buckhorn Recreation Area |
|
|
California |
Recreation area and campground on Black Butte Lake. Home of the Black Butte Lake Star Party. |
79 | E |
|
Gardnerville |
|
|
Nevada |
|
79 | SE |
|
Bear Valley |
|
|
California |
A town in Alpine county. Forecast also covers Tamarack and Lake Alpine. |
80 | E |
|
Sierra Stars Observatory |
|
|
California |
A private observatory near Paynesville. |
80 | E |
|
Virgo Skyline Observatory. |
|
|
Nevada |
A private observatory. |
80 | SE |
|
Arnold Observatory |
|
|
California |
A private observatory. |
80 | SW |
|
Angwin |
|
|
California |
|
84 | E |
|
Ruhenstroth Observatory |
|
|
Nevada |
A private observatory somewhere around Gardnerville. |
84 | W |
|
Clear Lake |
|
|
California |
Covers the Clear Lake area inclunding Boggs Mountain State Forest. |
85 | S |
|
Stockton |
|
|
California |
Home of the Stockton Astronomical Society. |
85 | SE |
|
AngelKillarney s City |
|
|
California |
AKA Angels Camp. A town in Calaveras county. |
86 | N |
|
Bateson Observatory |
|
|
California |
A private observatory near Susanville. |
86 | SW |
|
Napa |
|
|
California |
|
87 | E |
|
Monitor Pass |
|
|
California |
|
88 | SW |
|
DVHS Espace Academy |
|
|
California |
ESpace Academy, part of Deer Valley High School In Antioch. |
88 | SW |
|
Robert Ferguson Observatory |
|
|
California |
Observatory in Sugar Loaf Ridge State Park near Kenwood. |
89 | W |
|
Taylor Observatory |
|
|
California |
A community Observatory in Kelseyville. |
90 | S |
|
Telegraph City |
|
|
California |
A site used by some members of the Stockton Astronomical Society. |
90 | SE |
|
Donnell Vista |
|
|
California |
A recreation area in the Stanislaus National Forest. |
91 | S |
|
Brentwood |
|
|
California |
Forecast also covers Byran and Oakley. |
92 | NE |
|
Range Land |
|
|
Nevada |
A private site of the Astronomical Society of Nevada. |
92 | SW |
|
Hume Observatory |
|
|
California |
Located within the Pepperwood Preserve and the home of GORT (Gamma ray Optical Robotic Telescope) of the Global Telescope Network. |
92 | SW |
|
Vallejo Observatory |
|
|
California |
A private observatory site close to Vallejo. |
93 | N |
|
Lassen National Park |
|
|
California |
Two sites used by TAC: Devastated Area and Bumpass Hell. No, really. I'm not making this up. |
93 | SW |
|
Sonoma |
|
|
California |
|
95 | SE |
|
High Sierra Park |
|
|
California |
In the Stanislaus National Forest near Mi-Wuk Village. |
96 | N |
|
Wilson Hill Observatory |
|
|
California |
A private observatory near Shingletown. |
96 | SW |
|
Concord Observatory |
|
|
California |
A private observatory in Concord. |
96 | W |
|
Powerpoint Lookout |
|
|
California |
A lookout and Ancient native American natural power spot Saratoga Springs Retreat Center. (No connection to presentation software.) |
97 | S |
|
Green Acres Observatory |
|
|
California |
A private observatory. |
97 | SW |
|
Diablo Valley College |
|
|
California |
College near Concord. |
97 | SW |
|
Santa Rosa |
|
|
California |
|
98 | SW |
|
CBA Concord Observatory |
|
|
California |
A private Observatory. Part of the Center for Backyard Astrophysics. |
99 | SW |
|
Mount Diablo |
|
|
California |
Home of the Mt. Diablo Astronomical Society. |
99 | SW |
|
SPARQ Observatory |
|
|
California |
Observatory of SPARQ at Piner High School. In Santa Rosa. |
99 | SW |
|
Sonoma State University Observatory |
|
|
California |
observatory in Sonoma State University. Near Rohnert Park and Cotati |
100 | SW |
|
Foxboro Park |
|
|
California |
City park, site of the Hercules Stargaze, a public star party hosted by the Hercules Stargazers. |
100 | SW |
|
Hercules Stargazers Alternate Site |
|
|
California |
An observing site of the Hercules Stargazers in Hanna Ranch Park. |
101 | NW |
|
Cottonwood |
|
|
California |
A town in Shasta county. |
101 | SW |
|
The Bishop's Ranch |
|
|
California |
Retreat and conference center. |
102 | E |
|
Wellington |
|
|
Nevada |
|
103 | SW |
|
North Point Observatory |
|
|
California |
A private observatory. |
104 | N |
|
Eagle Lake |
|
|
California |
Site of public astronomy session by Bateson Observatory personnel. |
104 | SE |
|
Cottontail Observatory |
|
|
California |
A private observatory somewhere around Walker. |
104 | SE |
|
Don Pedro Reservoir |
|
|
California |
Centered on a public scenic outlook at the north end of lake and recreation area. |
104 | SW |
|
Forestville |
|
|
California |
A town in Sonoma county. |
105 | S |
|
Tracy Airport |
|
|
California |
|
106 | SW |
|
Saint Mary's College Observatory |
|
|
California |
AKA Geissberger Observatory. Observatory of Saint Mary's College. |
106 | W |
|
Lake Sonoma |
|
|
California |
A site used by TAC |
107 | SW |
|
Lawrence Hall of Science |
|
|
California |
A public and school science center of the University of California at Berkeley. |
107 | SW |
|
San Ramon |
|
|
California |
Site of outreach events held by the Eastbay Astronomical Society. |
108 | E |
|
Gas Line Road |
|
|
Nevada |
South of Fernley. A site used by the Astronomical Society of Nevada. |
108 | S |
|
Modesto |
|
|
California |
Home of the of Stanislaus Amateur Astronomers of Modesto Jr. College. |
108 | SW |
|
DarkSights Observatory |
|
|
California |
A private observatory. |
108 | SW |
|
Occidental Observatory |
|
|
California |
Near Occidental. |
108 | W |
|
Rubicon Observatory |
|
|
California |
A private observatory of a member of the Ukiah Astronomical Society. Near lake Mendocino. |
109 | E |
|
Yerington |
|
|
Nevada |
A site of the RECON project |
109 | S |
|
Livermore |
|
|
California |
Home of the Tri-Valley Stargazers astronomy club. Forecast also covers Pleasanton. |
109 | SW |
|
Chabot Space and Science Center |
|
|
California |
A science center home to the Eastbay Astronomical Society. In Oakland. |
109 | SW |
|
Point Richmond |
|
|
California |
|
111 | SW |
|
San Rafael |
|
|
California |
A site used by the used by the Marin Observers. |
112 | SW |
|
Oakland |
|
|
California |
|
113 | S |
|
Del Valle |
|
|
California |
Site details. |
113 | SW |
|
Barking Spider Observatory |
|
|
California |
A private observatory near Castro Valley. |
114 | SE |
|
Greeley Hill Observatory |
|
|
California |
A private observatory near Coulterville. |
114 | SW |
|
Castro Valley |
|
|
California |
|
114 | W |
|
Galbreath Wildlands Preserve |
|
|
California |
Wildlife preserve of Sonoma State University. |
116 | NW |
|
Schreder Planetarium |
|
|
California |
A planetarium with public observing sessions. In Redding. |
116 | SW |
|
Marshall |
|
|
California |
A town in Marin county by Tomales Bay. |
117 | SW |
|
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). |
117 | SW |
|
Vista Trail |
|
|
California |
Trail and overlook in Sonoma County. |
118 | S |
|
Turlock |
|
|
California |
A town in Stanislaus county. |
118 | SW |
|
San Francisco |
|
|
California |
Home of the San Francisco Sidewalk Astronomers and the San Francisco Amateur Astronomers. |
120 | SW |
|
Morrison Planetarium |
|
|
California |
Planetarium at the California Academy of Sciences. In San Francisco. |
121 | NW |
|
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. |
122 | N |
|
Baum Lake |
|
|
California |
|
122 | S |
|
Fremont |
|
|
California |
The town in Alameda country. |
123 | NW |
|
Brandy Creek Boat Ramp |
|
|
California |
Used by some members of the Shasta Astronomy Club. On Whiskytown Lake. Forecast covers the Whiskytown National Recreation Area. |
123 | SE |
|
Bridgeport Lake Private Observatory |
|
|
California |
A private observatory in Bridgeport Valley. |
123 | SW |
|
San Francisco State University Observatory |
|
|
California |
Observatory of SFSU at Thornton Hall. |
124 | NW |
|
Shasta Dam |
|
|
California |
|
125 | S |
|
Hidden Hill Observatory |
|
|
California |
Observatory of the Tri-Valley Stargazers |
125 | SW |
|
Drakes Bay visitors center |
|
|
California |
Officially the Kenneth C. Patrick Vistor Center. Site of astronomy classes at the Point Reyes National Seashore national park. |
126 | SE |
|
Plettstone |
|
|
California |
Home of the Dale Jay Steed Observatory, a private observatory. A site used by members of TAC and the SJAA. Near Mariposa. |
126 | W |
|
Sea Ranch |
|
|
California |
A private ranch near Gualala. |
127 | W |
|
Starry Kingdom Observatory |
|
|
California |
A private observatory in Laytonville. |
128 | SW |
|
San Mateo |
|
|
California |
|
128 | W |
|
Chamberlain Creek Rest Stop |
|
|
California |
A public rest-stop on Highway 20. |
128 | W |
|
Lookout Ranch |
|
|
California |
A private ranch. |
129 | W |
|
Gualala |
|
|
California |
|
130 | S |
|
Mount Hamilton |
|
|
California |
Home of the Lick Observatory. |
130 | SW |
|
CSM Observatory |
|
|
California |
Observatory of the astronomy department of College of San Mateo. |
130 | SW |
|
Ewell Observatory |
|
|
California |
|
130 | SW |
|
Pacifica |
|
|
California |
|
131 | S |
|
Newman Vista Point |
|
|
California |
A lookout on Interstate 5. |
131 | S |
|
Telescope Row |
|
|
California |
A parking lot in Joeseph D. Grant County Park used by the Halls Valley Astronomical Group for public star parties. |
131 | SE |
|
Horsetail Fall |
|
|
California |
A seasonal waterfall in Yosemite National Park. |
132 | NE |
|
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. |
132 | SE |
|
Conway Summit |
|
|
California |
A dark site 12 miles north of Lee Vinning in Mono County. |
132 | SW |
|
Menlo Park |
|
|
California |
|
132 | SW |
|
Menlo School |
|
|
California |
A school with an astronomy club. In Atherton |
133 | SE |
|
Bodie |
|
|
California |
|
133 | SE |
|
Glacier Point |
|
|
California |
A site of public star parties. In Yosemite National Park. |
133 | SW |
|
Stanford Faculty Observatory |
|
|
California |
A private observatory of a faculty member of Stanford University. |
134 | S |
|
Mountain View |
|
|
California |
|
134 | S |
|
San Jose |
|
|
California |
Home of the San Jose Astronomical Association. |
134 | SW |
|
Stanford |
|
|
California |
Centers on the Student Observatory of Stanford University. Home of the Stanford Astronomical Society. |
136 | S |
|
Foothill Observatory |
|
|
California |
Observatory of Foothill College. Used by the Peninsula Astronomical Society for public programs. In Los Altos Hills. |
136 | S |
|
Greenhawk Observatory |
|
|
California |
A private observatory. |
136 | S |
|
Merced |
|
|
California |
|
136 | SW |
|
Half Moon Bay |
|
|
California |
|
137 | S |
|
Cupertino |
|
|
California |
|
137 | SE |
|
Mariposa Fairgrounds |
|
|
California |
Fairgrounds in Mariposa county. |
137 | SW |
|
Vista Hill |
|
|
California |
A lookout in Foothills Park in Palo Alto. Site of star parties held by the Peninsula Astronomical Society. |
138 | E |
|
Grimes Point |
|
|
Nevada |
In Fallon. A site used by the Astronomical Society of Nevada. |
138 | NW |
|
Lewiston Lake |
|
|
California |
A public parking area on Lewiston Lake. |
138 | S |
|
Santa Teresa Spring |
|
|
California |
|
139 | N |
|
Golden State Star Party |
|
|
California |
The GSSP is a star party held by the The Astronomy Connection(TAC). Near Adin. |
140 | S |
|
Henry Coe State Park |
|
|
California |
A site used by SJAA and TAC |
140 | SW |
|
Montebello |
|
|
California |
Montebello Open Space Preserve is a site used by TAC |
140 | W |
|
Mendocino |
|
|
California |
|
141 | S |
|
Ross Creek Observatory |
|
|
California |
A private observatory in San Jose. |
141 | S |
|
Saratoga |
|
|
California |
|
144 | S |
|
Coyote Lake |
|
|
California |
A county park used by members of the SJAA and TAC.Near Gilroy. |
144 | S |
|
Dowdy Ranch Visitor Center |
|
|
California |
South-eastern visitors center of Henry Coe State Park. |
144 | S |
|
Morgan Hill |
|
|
California |
|
145 | E |
|
Hawthorne |
|
|
Nevada |
|
145 | N |
|
Likely Place Golf & RV Resort |
|
|
California |
golf course and RV resort. Home of the Stellarvue Dark Sky Star Party. |
145 | S |
|
Oak Ridge Observatory |
|
|
California |
Observatory of the Peninsula Astronomical Society, located in the Santa Cruz Mountains. |
145 | S |
|
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. |
146 | S |
|
BREIT IDEAS Observatory |
|
|
California |
A private observatory outside Morgan Hill. |
147 | S |
|
Dinosaur Point |
|
|
California |
A site used by SJAA and TAC |
147 | S |
|
Pacheco State Park |
|
|
California |
A state park used as a dark sky site. |
148 | S |
|
Summit View Observatory |
|
|
California |
A private observatory in the Santa Cruz Mountains. |
148 | SE |
|
Ahwahnee Hills Observatory |
|
|
California |
A private observatory located in Ahwahnee. |
149 | NE |
|
Black Rock Desert |
|
|
Nevada |
A site used by the Astronomical Society of Nevada. |
149 | SW |
|
Pescadero |
|
|
California |
|
151 | SE |
|
Eastman Lake Recreation Area |
|
|
California |
Recreation area used by the Central Valley Astronomers. |
152 | S |
|
Holmes Observatory |
|
|
California |
A private observatory near Lompico. |
154 | SE |
|
Crestview |
|
|
California |
A hill site near Crestview, a few miles north-west of Mammoth Lakes in Inyo National Forest. |
154 | SE |
|
HOLT Observatory |
|
|
California |
A private observatory. |
155 | S |
|
Bonny Doon Airfield |
|
|
California |
A site used by the Santa Cruz Astronomy Club. |
156 | NW |
|
Hyampom |
|
|
California |
|
156 | SE |
|
Bayt Observatory |
|
|
California |
A private observatory near Coarsegold. |
157 | S |
|
Cabrillo College Observatory |
|
|
California |
Observatory of Cabrillo College. |
158 | N |
|
Mount Shasta |
|
|
California |
A town in Siskiyou county. Home of the Mount Shasta StarGazers |
158 | S |
|
Hidden Valley Observatory |
|
|
California |
A private observatory near Soquel. |
158 | SE |
|
Coarsegold |
|
|
California |
|
159 | S |
|
Baskin Engineering Observatory |
|
|
California |
An observatory of the University of California, Santa Cruz. |
159 | SE |
|
Artis Observatory |
|
|
California |
A private observatory somewhere around Yosemite Lakes. |
159 | SE |
|
Hensley Lake |
|
|
California |
Regular observing site of the Central Valley Astronomers. |
160 | S |
|
Davenport Beach |
|
|
California |
A beach in Davenport. |
160 | S |
|
Santa Cruz |
|
|
California |
Home of the Santa Cruz Astronomy Club. |
160 | SE |
|
McGee Creek |
|
|
California |
|
160 | SE |
|
Mammoth Observatory |
|
|
California |
A private observatory near Mammoth Lakes. |
164 | SE |
|
Lee DaSilva Observatory |
|
|
California |
A private observatory near Madera. |
164 | W |
|
Shelter Cove |
|
|
California |
A town in Humboldt county. |
169 | E |
|
First Light Observatory |
|
|
Nevada |
A private observatory |
169 | S |
|
Fremont Peak |
|
|
California |
A site used by SJAA and TAC. Home of the Fremont Peak Observatory. In Fremont Peak State Park. |
170 | N |
|
Cedarville |
|
|
California |
A site of the RECON project |
172 | S |
|
D.A.R.C. Observatory |
|
|
California |
A private observatory near Mercy Hot Springs. |
173 | N |
|
Lake Shastina |
|
|
California |
About 17 miles north of Mt. Shasta. |
175 | N |
|
Lava Beds National Monument |
|
|
California |
National monument |
175 | SE |
|
Lost Valley Observatory |
|
|
California |
A private observatory between Yosemite and Kings Canyon in the Sierra Nevada Mountains. |
175 | SE |
|
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. |
175 | SE |
|
Shaver Lake |
|
|
California |
|
176 | S |
|
Maple's Observatory |
|
|
California |
A private observatory somewhere around Salinas. |
177 | S |
|
Panoche Pass |
|
|
California |
|
178 | S |
|
MIRA Weaver Student Observatory |
|
|
California |
Public observatory of the Monterey Institute for Research in Astronomy. |
179 | S |
|
Mendota Wildlife Area |
|
|
California |
A wildlife area a few files north-east of Tranquillity. |
180 | NW |
|
LJR Observatory |
|
|
California |
A private observatory. |