Clear Sky Chart

Charts within 180mi of the Harken Observatory clear sky chart

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0 Harken Observatory
 
Wisconsin   Observatory of the Pewaukee Public Library.
11N Richfield Observatory
 
Wisconsin   A private observatory near Menomonee Falls.
13S Texas Yard Canon Observatory
 
Wisconsin   A private observatory.
18E Milwaukee
 
Wisconsin   Home of the Milwaukee Astronomical Societyand Wehr Astronomical Society.
18N Jackson (WI)
 
Wisconsin   A town in Washington county.
19N TWASC Eggshatch Observatorium
 
Wisconsin   A private observatory of the Hartford Area Astronomy Club, which is part of The Wisconsin Astronomical Society Corporation.
19NE Mequon Rotary Park
 
Wisconsin   Park used by the Northern Cross Science Foundation. In Mequon.
21SE Franklin
 
Wisconsin   In Milwaukee county. Near a BYA affiliate starparty site.
25N Myra
 
Wisconsin   Used by some members of the Northern Cross Science Foundation.
27SE Modine Benstead Observatory
 
Wisconsin   Observatory of the Racine Astronomical Society.
30W Aztalan State Park
 
Wisconsin   State park near Aztalan.
30SW UW-Whitewater Observatory
 
Wisconsin   Observatory of the University of Wisconsin, at Whitewater. In Whitewater.
31S Richard Bong State Recreation Area
 
Wisconsin   Recreation Area near Burlington. Used by some members of the Racine Astronomical Society.
34SE Racine
 
Wisconsin   Home of the Racine Astronomical Society.
37N Kettle Moraine North
 
Wisconsin   Northern Unit of Kettle Morain State Forest. Used by members of the Northern Cross Science Foundation.
37NE Harrington Beach State Park
 
Wisconsin   A site used by the Northern Cross Science Foundation.
38S Eagle Observatory
 
Wisconsin   A private observatory near Eagle.
38SW Yerkes Observatory
 
Wisconsin   Observatory in Williams Bay.
39NW Beaver Dam
 
Wisconsin  
41SE Kenosha
 
Wisconsin   Home of the Kenosha Astronomy Club.
47SW Janesville
 
Wisconsin  
48N Plymouth
 
Wisconsin   Home of the Plymouth Stargazers.
49N Fond du Lac
 
Wisconsin  
51S Smith Observing Site
 
Illinois   Near Round Lake Beach and about 15 miles west of Waukegan.
51W Suburban Lights Observatory
 
Wisconsin   A private observatory in Marshall.
52N Land-o-Clouds Observatory
 
Wisconsin   A private observatory near Fond du Lac.
54S Woodstock
 
Illinois  
55NE Ellwood H. May Environmental Park
 
Wisconsin   Aka Maywood, site of the Sheboygan Astronomical Society's public observing sessions.
56W De Forest
 
Wisconsin  
57SW Big Cigar Astronomy
 
Illinois   Club near South Beloit
58S Crystal Lake
 
Illinois  
58W Madison
 
Wisconsin   Home of the Madison Astronomical Society.
59SW Blackhawk Observatory
 
Illinois   A private observatory.
59SW Caledonia
 
Illinois  
60S Marengo
 
Illinois  
62S Lake Zurich
 
Illinois  
62SW Astro-Physics
 
Illinois   Observing site of telescope maker Astro-Physics Inc.
63S Claustonberry Observatory
 
Illinois   A private observatory near Marengo.
63W Yanna Research Station
 
Wisconsin   Observatory site of the Madison Astronomical Society. Near Attica.
64S Lincolnshire
 
Illinois   Also covers Deerfield which is home of the Skokie Valley Astronomers .
65N Pigeon Lake Observatory
 
Wisconsin   A private observatory.
65S Barrington Hills
 
Illinois   A town in Cook county. Site of International Year of Astronomy events.
67N Oshkosh
 
Wisconsin  
68NW Oxbow Trail Observatory
 
Wisconsin   A private observatory near Princeton.
68NW Portage
 
Wisconsin  
68S Northwest Suburban Astronomers
 
Illinois   The NSA is active in the area of Palatine/Hoffman Estates.
69S Glencoe
 
Illinois  
70SW Hawkeye Observatory
 
Illinois   A private observatory.
70SW Rockford
 
Illinois   Home of the Rockford Amateur Astronomers.
71S OneDarkSky.com Observation Site #1
 
Illinois   A clearing off of Cobblers Crossing, in Elgin. Site of public star parties held by OneDarkSky.com.
71W Pine Bluff Observatory
 
Wisconsin   Local research observatory of the University of Wisconsin-Madison. 15 miles from Madison.
73S U-46 Planetarium
 
Illinois   Elgin School District Planetarium in Elgin.
74N High Cliff State Park
 
Wisconsin   State park used by members of the ad hoc astronomy group at Plexus Corp.
75SW Kirkland
 
Illinois  
75SW Velveeta Valley Observatory
 
Illinois   Aka VVO, a private observatory in Pecatonica.
76NE Manitowoc
 
Wisconsin   A town in Manitowoc county.
76S Morton Grove
 
Illinois   Forcast also covers Glenview, Wilmette, Evanston, Skokie, Park Ridge, Niles, and Des Plaines.
76W Meadowlark Ridge Observatory
 
Wisconsin   A private observatory somewhere around near New Glarus.
77NW Auroraville
 
Wisconsin  
77SE Dearborn Observatory
 
Illinois   Observatory of Northwestern University.
77SW Monroe
 
Wisconsin   A town in Green county.
79S Lily Lake Observatory
 
Illinois   A private observatory near the town of Lilly Lake.
79W West Point Observatory
 
Wisconsin   Observatory near Monticello.
80W Wild Apple Observatory
 
Wisconsin   A private observatory in Dane County.
81S Hickory Knolls Discovery Center
 
Illinois   An environmental education center located in James O. Breen Community Park in St Charles. Also site of star parties held by OneDarkSky.com.
82N Appleton
 
Wisconsin   A meeting place of the Northeast Wisconsin Stargazers (NEWSTAR).
83S Cricket Hill
 
Illinois   Part of Lincoln Park. At Montrose Harbor.
83S De Kalb
 
Illinois   Home of the Davis Hall Observatory at Northern Illinois University.
84S Lombard
 
Illinois   Forecast also covers Glendale Hieghts, Elmhurst, Villa Park, Addison, and Glen Ellyn.
84S SWAOG Light Site
 
Illinois   A public observing site of the South West Astronomy Observers Group. In Wheaton.
84SW J. Weiskopf Observatory
 
Illinois   Observatory with free public observing in Byron Forest Preserve District.
86S Peck Farm Park
 
Illinois   Public viewing site for the Fox Valley Astronomical Society. In Geneva.
86W Mark's place
 
Wisconsin   A private observing site.
87S TASS H (Droege) Observatory
 
Illinois   An observatory of the Amateur Sky Survey project. Near Batavia.
90SW Doug Firebaugh Observatory
 
Illinois   A public observatory in Freeport, Illinois, partly funded by the Planetary Studies Foundation.
91S Chicago
 
Illinois   Home of the Chicago Astronomical Society.
93N Mosquito Hill Nature Center
 
Wisconsin   A site used by the Northeast Wisconsin Stargazers (NEWSTAR). In New London.
93S White Eagle Observatory
 
Illinois   A private observatory near Naperville.
93W Reedsburg
 
Wisconsin  
95NE Little Point Sable
 
Michigan  
95W Dodgeville
 
Wisconsin  
96NW Dryden Observatory
 
Wisconsin   A private observatory.
96S NAA Observatory
 
Illinois   An observatory of the Naperville Astronomical Association. Near Naperville.
97S The Little Red School House
 
Illinois   A site used by the Chicago Astronomical Society. In Willow Springs.
98NW Hartman Creek State Park
 
Wisconsin   State park and home of the Wisconsin Observers Weekend
98S Megamark Observatory
 
Illinois   A private observatory.
98S Moraine Valley Community College Observatory
 
Illinois   observatory of Moraine Valley Community College.
98W Mineral Point
 
Wisconsin  
100N Green Bay
 
Wisconsin   Home of the Neville Public Museum Astronomical Society.
100S Lake Katherine Nature Center
 
Illinois   Nature center in Palos Heights. Site of public observing sessions held by the Chicago Astronomical Society.
100S The Lone Wolf Observatory
 
Illinois   A private observatory near Oak Lawn
101N NPMAS Parmentier Observatory
 
Wisconsin   A private observatory which is also an observing site of the Neville Public Museum Astronomical Society (NPMAS).
101S SWAOG Dark Site
 
Illinois   A site of the South West Astronomy Observers Group in Yorkville.
102E Muskegon
 
Michigan   A town in Muskegon county.
102SW Apple River
 
Illinois  
103E Grand Haven
 
Michigan  
104S Lockport
 
Illinois   A town in Will county.
106N Cedar Drive Observatory
 
Wisconsin   An observatory near Pulaski.
106NE Bass Lake
 
Michigan  
106NW Salewsky Observatory
 
Wisconsin   A private observatory near Big Flats
106S NAA Caton
 
Illinois   A site of the Naperville Astronomical Association. A few miles from Newark, but 25 miles southwest of Naperville.
107E Hemlock Crossings Park
 
Michigan   A park used by the Shoreline Amateur Astronomical Association (SAAA).
107S Tinley Park
 
Illinois   A town in Cook county.
108SW Massbach Ridge
 
Illinois  
109W Richland Center
 
Wisconsin  
110E Vivekananda Monastery
 
Michigan   A site used by the Shoreline Amateur Astronomical Association in Ganges.
110NE Big Sable Point
 
Michigan   In Ludington State Park.
111SE South Haven Pier
 
Michigan  
111W Big M Observatory
 
Wisconsin   A private observatory near Platteville.
112S Prairie State College
 
Illinois   College in Chicago Heights.
113E Astro Hut
 
Michigan   A private observatory near Holland.
113E Muskegon Astronomical Society
 
Michigan   Observatory of the MAS
113S Serena
 
Illinois   A town in La Salle county.
114S NAA Minooka
 
Illinois   An observing site of the Naperville Astronomical Association.
114SE Benton Harbor
 
Michigan   A atown in Berrien county.
115S Our Prairie Sky
 
Illinois   In Park Forest.
115SW Sterling
 
Illinois  
116SE Indiana Dunes State Park
 
Indiana   Site used by the Calumet Astronomical Society
117E Allendale
 
Michigan   In Ottawa county. Home of Grand Valley State University.
117SE Bridgman
 
Michigan  
118SE Michigan City
 
Indiana   A town in La Porte county.
118SE Warren Dunes State Park
 
Michigan   State park new Sawyer.
118SW Green River State Wildlife Area
 
Illinois   Link.
119W Galena
 
Illinois  
120E Stephen F. Wessling Observatory
 
Michigan   Public observatory of the Newaygo County Conservation District. Staffed and supported by the Newaygo County Dark Sky Astronomers.
120NW UWSP Observatory
 
Wisconsin   of the University of Wisconsin - Stevens Point.
121NE Allen Observatory
 
Michigan   A private observatory.
123E Hawk's Hollow Observatory
 
Michigan   A private obsrevatory in Jenison.
123S Peotone
 
Illinois  
123SE Kingman Observatory
 
Michigan   Observatory of Andrews University. In Berrien Springs.
123W Wildcat Mountain State Park
 
Wisconsin   State park near the town of Ontario, WI.
124NW Michowka Observatory
 
Wisconsin   A private observatory.
124W Kickapoo Valley Reserve Visitor Center
 
Wisconsin   Nature reserve and site of star parties by the La Crosse Area Astronomical Society.
125S Lemon Lake County Park
 
Indiana   Site used by the Calumet Astronomical Society
125SE Oronoko Observatory
 
Michigan   Near Berrien Springs.
127S Starved Rock State Park
 
Illinois   State park. Used by some members of the Astronomical Society at the University of Illinois. Also home of Astrofest, a star party held by the Chicago Astronomical Society.
127W Grant River Recreation Area
 
Wisconsin   A recreation area near Potosi.
128SE VU Observatory
 
Indiana   Observatory of Valparaiso University which holds public events.
128SW Rutenbeck Observatory
 
Iowa   Just west of Clinton.
128W Dubuque
 
Iowa  
129N Leif Everson Observatory (LEO)
 
Wisconsin   An observatory near The Crossroads At Big Creek. See the Door Peninsula Astronomical Society.
129S Braidwood Dark Sky Site
 
Illinois   Near Gardner.
129S Mount Jennings Observatory
 
Illinois   A private observatory somewhere around Manteno.
129S Prairie Skies Star Party
 
Illinois   Star party held at Camp Shaw-Waw-Nas-See.
130SE New Carlisle
 
Indiana  
131E Grand Rapids
 
Michigan   in Kent county
132SE Buckeyestargazer Observatory
 
Indiana   A private observatory near Valparaiso.
133NE North Wind Observatory
 
Michigan   A private observatory.
133S Thomas Conway Observatory
 
Indiana   Observatory of the Calumet Astronomical Society. Near Lowell in Lake county.
134S NAA Ransom
 
Illinois   An observing site of the Naperville Astronomical Association. Near Ransom.
135NE Onekama-DS-Observatory
 
Michigan   A private observatory near Onekama.
135W Mount Sterling
 
Wisconsin  
136E Rockford
 
Michigan  
136S Bradley
 
Illinois   Home of the Kankakee Area StarGazers.
136SW Timber City Productions Lookout
 
Iowa   A private observing site.
137E Sycamore Stars Observatory
 
Michigan   A privately owned observatory dedicated to public remote use. Near Otsego.
137NW Dievseta
 
Wisconsin   A private site near Warrens.
138N Coleman
 
Wisconsin  
139S Streator
 
Illinois  
139SW Hennepin Canal Parkway State Park
 
Illinois   State park used by some members of the Naperville Astronomical Association.
141N Outback Observatory
 
Wisconsin   A private observatory.
141SE Jordan Hall Observatory
 
Indiana   Observatory, of the University of Notre Dame, at the Jordan Hall of Science. In South Bend.
142NE RedShift Observatory
 
Michigan   A private observatory of a member of the Grand Traverse Astronomical Society.
143SW Lake Thunderbird
 
Illinois   A lake near Putnam.
145E James C. Veen Observatory
 
Michigan   Home of the Grand Rapids Amateur Astronomical Association.
146E Big Rapids
 
Michigan  
146E Kalamazoo
 
Michigan   Home of the Kalamazoo Astronomical Society and Owl Observatory.
146SE PHM Planetarium
 
Indiana   Aka Penn-Harris-Madison (PHM) Planetarium, in Mishawaka.
146W Wyalusing
 
Wisconsin   Home of the Starsplitters of Wyalusing.
147S Stelle
 
Illinois   A community in Rogers Township, IL
147SE Dr. T. K. Lawless Park
 
Michigan   Park and site of the Michiana Star Party held by the Michiana Astronomical Society. Near Vandalia.
147SW Sunny Knoll Observatory
 
Illinois   A private observatory in Port Byron.
148S Willow Slough Fish and Wildlife Area
 
Indiana   A wildlife managment area used by the South Side Astronomers.
148W Luckydog Observatory
 
Wisconsin   A private observatory particpating in the AAVSO and Center for Backyard Astrophysics.
149SE Portage (MI)
 
Michigan  
150S Lone Wolf Observatory
 
Illinois   A private observatory near Varna.
150SE Jasper-Pulaski Fish and Wildlife Area
 
Indiana   Centered on an entrace road of the state wildlife area.
151SE Yarger Observatory
 
Michigan   Observatory and site of Astrocamp at YMCA Camp Eberhart in Three Rivers.
152E Greenville
 
Michigan  
152N Jorgenson Obs Site
 
Wisconsin   A private observing site.
152N Sawyer Lake
 
Wisconsin   A private site near Sawyer lake.
153E Canadian Lakes
 
Michigan   A town and lake in MI.
153NE Apple Ridge Observatory
 
Michigan   A private observatory in Le Roy township.
153NE Northhills Observatory
 
Michigan   A private observatory near Thompsonville.
154NW RJM Observatory
 
Wisconsin   A private observatory near Spencer.
155NE Platte River Campground
 
Michigan  
156SE Bremen
 
Indiana   A town in Marshall county. Home of BHS Astronomy of Bremen High School.
156W La Crosse
 
Wisconsin   A home of University of Wisconsin's Planetarium and the La Crosse Area Astronomical Society.
157NE BoonHill Observatory
 
Michigan   link
158NW 90W 45N Park
 
Wisconsin   A small park which is home of the Rietbrock Geographical Marker commemorating the intersection of two imaginary lines. Near Poniatowski.
158S Astro Acres
 
Indiana   Future astronomy and telescope farm (or astronomy village). Near the town of Morocco,IN.
158SW Dixon
 
Iowa   Close to Menke and Jens-Wendt Observatories
159SW PACMO
 
Illinois   An observing site of the Popular Astronomy Club.
161SE Tippecanoe River State Park
 
Indiana   State Park. Chart is centered on a field, used for observing, near the nature center.
162N Newport State Park
 
Wisconsin   State park on Newport Bay of lake Michigan.
163SE Goshen College
 
Indiana   College in Goshen, IN.
165E Battle Creek
 
Michigan   A town in Calhoun county.
165N Summit Lake
 
Wisconsin  
165NE Berry Lake
 
Michigan  
167N Dave's Falls County Park
 
Wisconsin   A park near Amberg.
168N Benson Lake Observatory
 
Wisconsin   Site of private observatory.
168SE Shipshewana
 
Indiana  
169SE Neuenschwander Observatory
 
Michigan   A private observatory.
169SE Potawatomi Wildlife Park
 
Indiana   A dark-sky preserve. Dark-sky site of the Warsaw Astronomical Society. Near Tippecanoe.
170E Dunham Hill Observatory
 
Michigan   A private observatory near Mulliken.
170NE Lanphier Observatory
 
Michigan   Observatory of The Leelanau School. Check website or call call 231.334.5890 for public observing times.
172N Revall's Coyote Creek Observatory
 
Michigan   A private observatory.
172NW Little Black Township
 
Wisconsin  
172NW Trempealeau
 
Wisconsin  
172SE Damer Observing Site
 
Indiana   A private observing site.
173N Washington Island
 
Wisconsin   An island in Lake Michigan.
173NE Joseph H. Rogers Observatory
 
Michigan   "Observatory, of Northwestern Michigan College., with public observing. Also home of the Grand Traverse Astronomical Society.
173SE Birch Rd. Observatory
 
Indiana   A private observatory.
174SW The Decker-Grebner-Van Zandt Observatory
 
Illinois   Observatory maintained by the Peoria Astronomical Society. In Jubliee College State Park.
175E Beman Observatory
 
Michigan   Observatory of Olivet College in Olivet.
175NE Traverse City
 
Michigan  
178NE Four Winds Observatory
 
Michigan   A private observatory.
178SE Camp Crosley/WAS Observatory
 
Indiana   A observatory of the Warsaw Astronomical Society(WAS). Located at Camp Crosley.
178W Decorah
 
Iowa  
179E Brooks Astronomical Observatory
 
Michigan   Observatory of Central Michigan University. In Mt. Pleasant.
179SW Peoria
 
Illinois   Home of the Peoria Astronomical Society and the NorthMoor Observatory.
180E Fox Park Public Observatory
 
Michigan   A public observatory in Fox Memorial Park, Potterville.
180SW Viking Observatory
 
Illinois   A private observatory Near Galesburg.


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