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			Pioneer Scout Reservation			Ohio	A scout camp used as a star party site by the Toledo Astronomical Association.
24	NE		Lake Hudson State Recreational Area			Michigan	Dark-sky preserve near Hudson. Used for star parties by the Amateur Astronomers of Jackson.
30	SW		Auburn			Indiana	Home of Starkey Observatory.
31	NE		Camp McGregor Observatory			Michigan	Observatory, at Camp McGregor, of the Jackson County Intermediate School District. Also site of star parties held by the Amateur Astronomers of Jackson.
33	SE		Defiance			Ohio
35	SE		Black Swamp Observatory			Ohio	A private observatory near Napoleon.
38	W		Neuenschwander Observatory			Michigan	A private observatory.
40	N		Jackson			Michigan	Home of the Amateur Astronomers of Jackson . and the Peter F. Hurst Planetarium .
42	N		Dobie Observatory			Michigan	A private observatory near Jackson.
44	NE		Seven Sisters Observatory			Michigan	A private observatory near Manchester.
44	NE		Al Meyers Airport			Michigan	Airport just outside of Tecumseh.
46	SW		Fort Wayne			Indiana	Home of the Fort Wayne Astronomical Society.
47	W		Shipshewana			Indiana
49	E		Whisper Observatory			Ohio	A private observatory in Holland.
50	E		Appold Planetarium			Ohio	Planetarium of Lourdes University in Sylvania, OH.
50	NW		Battle Creek			Michigan	A town in Calhoun county.
53	N		Beman Observatory			Michigan	Observatory of Olivet College in Olivet.
55	E		Fort Meigs Observatory			Ohio	A private observatory near Perrysburg.
55	E		Ritter Observatory			Ohio	Observatory (RARC) of the University of Toledo. Also known as Brooks Observatory. In Toledo.
56	E		Perrysburg Observatory			Ohio	A private observatory in Perrysburg.
57	W		Yarger Observatory			Michigan	Observatory and site of Astrocamp at YMCA Camp Eberhart in Three Rivers.
58	E		BGSU Observatory			Ohio	Observatory of Bowling Green State University.
58	NW		Portage (MI)			Michigan
60	NE		FAAC Observing Site			Michigan	Private observing site of the Ford Amateur Astronomy Club.
60	SW		Camp Crosley/WAS Observatory			Indiana	A observatory of the Warsaw Astronomical Society(WAS). Located at Camp Crosley.
60	SW		Stillwaters Observatory			Indiana	A private observatory near Columbia City.
60	W		Goshen College			Indiana	College in Goshen, IN.
61	NE		Peach Mountain Observatory			Michigan	Observatory of the University Lowbrow Astronomers. Near Dexter.
62	N		Hogsback Observatory			Michigan	A private observatory near Mason, MI.
62	NW		Kalamazoo			Michigan	Home of the Kalamazoo Astronomical Society and Owl Observatory.
63	NE		Ann Arbor			Michigan	Home of of the Detroit Observatory and the Angel Hall Observatory. Both are observatories of the University of Michican.
63	W		Dr. T. K. Lawless Park			Michigan	Park and site of the Michiana Star Party held by the Michiana Astronomical Society. Near Vandalia.
64	E		Luckey			Ohio	A town in Wood county.
66	N		Fox Park Public Observatory			Michigan	A public observatory in Fox Memorial Park, Potterville.
66	NE		Applewood Absurditory			Michigan	A private observatory, at least in spirit, near Ypsilanti.
66	NE		Ypsilanti			Michigan
67	E		Monroe			Michigan
69	E		Refractor Heaven			Ohio	A private observatory near Genoa.
70	N		MSU Observatory			Michigan	Observatory of Michigan State University in East Lansing.
70	NE		Ore Lake Observatory			Michigan	A private observatory near Ore Lake.
71	SW		Huntington			Indiana
72	N		Lansing			Michigan	A town in Ingham county.
72	S		Thomas S. Toth Observatory			Ohio	A private observatory near Spencerville.
72	SE		Schoonover Observatory			Ohio	An observatory staffed by members of the Lima Astronomical Society. Near Lima.
73	NE		Island Lake State Recreation Area			Michigan	Centered on Spring Mill Pond in Island Lake Recreation Area. Used by the Ford Amateur Astronomy Club.
73	S		Berne			Indiana	A town in Adams county.
73	SW		Morris Observatory			Indiana	Observatory of Manchester College. In North Manchester.
74	E		White Star Park			Ohio	County park and home of the Sandusky Valley Amateur Astronomy Club (SVAAC). annual star party. In Gibsonburg.
74	NE		Irvington Observatory			Michigan	A private observatory in Howell.
74	NE		Plymouth Digital Observatory			Michigan	A private observatory in Plymouth.
74	NW		Sycamore Stars Observatory			Michigan	A privately owned observatory dedicated to public remote use. Near Otsego.
74	SE		Riverbend Recreation Area			Ohio	A public park, used for public observing by the Millstream Astronomy Club. Near Findlay.
74	W		PHM Planetarium			Indiana	Aka Penn-Harris-Madison (PHM) Planetarium, in Mishawaka.
75	N		Dunham Hill Observatory			Michigan	A private observatory near Mulliken.
77	NE		Novi Community Sports Park			Michigan	A park west of Northville. Used by some members of the Ford Amateur Astronomy Club.
77	SE		ONU Observatory			Ohio	Observatory or Ohio Northern University.
78	W		Bremen			Indiana	A town in Marshall county. Home of BHS Astronomy of Bremen High School.
79	NE		Cohoctah Nightcrawler Observatory			Michigan	A private observatory near Cohoctah.
80	E		Lake Erie Metropark			Michigan	A Detroit Metro Park on the Lake Erie shore line south of Detroit. Check with the park before planning observing.
80	E		Trout Observatory			Ohio	A private observatory in Oak Harbor.
80	NE		GM Milford Proving Ground Softball Fields			Michigan	A private site used by the General Motors Astronomy Club.
80	W		Jordan Hall Observatory			Indiana	Observatory, of the University of Notre Dame, at the Jordan Hall of Science. In South Bend.
81	SW		Birch Rd. Observatory			Indiana	A private observatory.
81	SW		Potawatomi Wildlife Park			Indiana	A dark-sky preserve. Dark-sky site of the Warsaw Astronomical Society. Near Tippecanoe.
82	NE		Livonia			Michigan
83	E		Wolf Creek Park			Ohio	County park.
84	NE		Northern Cross Observatory			Michigan	An observatory near Fenton.
85	NE		Hector J. Robinson Observatory			Michigan	AKA the Lincoln Park Observatory. Observatory of the Lincoln Park School System. Near Lincoln Park High School.
85	NE		UM-Dearborn Observatory			Michigan	Observatory of the Dearborn Campus of the University of Michigan.
86	SE		Ballreich Observatory			Ohio	Observatory at Camp Hertzer. Site of public observing held by the Sandusky Valley Amateur Astronomy Club (SVAAC). Also used by physics students at Heidelberg College. Near Tiffin.
87	S		Bushels and Baskets Observatory			Indiana	A private observatory.
88	S		New Bremen			Ohio
88	SE		Heidelberg College			Ohio	A college in Tiffin.
89	NE		My-Spot Observatory			Michigan	A private observatory near West Bloomfield.
89	W		Kingman Observatory			Michigan	Observatory of Andrews University. In Berrien Springs.
89	W		Oronoko Observatory			Michigan	Near Berrien Springs.
91	NE		Fenton			Michigan
91	NW		James C. Veen Observatory			Michigan	Home of the Grand Rapids Amateur Astronomical Association.
93	NE		Star Hoppers Observatory			Michigan	An observatory of Star Hoppers amateur astronomy group. Near Holly.
93	SE		Indian Lake State Park			Ohio	State park
94	NE		Detroit			Michigan	Home of the Dassault Systèmes Planetarium at the Detroit Science Center.
94	SW		Marion			Indiana
95	NE		Cranbrook Institute of Science			Michigan	Museum of natural history with public observing. In Bloomfield Hills.
95	NW		Astro Hut			Michigan	A private observatory near Holland.
95	SW		ARGUS Dark Sky Site			Indiana	A site of the Wabash County Astronomical Society(WCAS).
95	W		New Carlisle			Indiana
96	NW		South Haven Pier			Michigan
96	SW		Taylor University Observatory			Indiana	Observatory of Taylor University in Upland.
96	W		Benton Harbor			Michigan	A atown in Berrien county.
97	NE		Windsor			Ontario	Home of the RASC Windsor Centre.
97	SW		Damer Observing Site			Indiana	A private observing site.
98	E		Camp Cedarwin Scout Camp			Ontario	A scout camp in Essex county.
98	NE		McMath-Hulbert Observatory			Michigan	An observatory with public events. Near Lake Angelus.
99	NW		Vivekananda Monastery			Michigan	A site used by the Shoreline Amateur Astronomical Association in Ganges.
99	W		Bridgman			Michigan
100	W		Warren Dunes State Park			Michigan	State park new Sawyer.
101	NE		Troy Space Gazebo			Michigan	A private observatory used by some members of the Oakland Astronomy Club. In Troy.
101	NW		Grand Rapids			Michigan	in Kent county
103	E		Collinsport Observatory			Ohio	A private observatory on Kelleys Island.
103	E		HVAG SkyTour			Ohio	Private land and site of puiblic viewings held by the Huron Valley Astronomers Group
103	E		Pelee Island			Ontario	Actually, the southernmost point in Canada at the Fish Point Provincial Park. The best spot for observing Omega Centauri from Canada.
103	E		Sandusky			Ohio
103	NE		Flushing Observatory			Michigan	A private observatory in Flushing.
103	NE		Heavens View Observatory			Michigan	A private observatory near Ortonville.
103	NE		Rochester Hills			Michigan
104	NW		Hawk's Hollow Observatory			Michigan	A private obsrevatory in Jenison.
105	NE		Longway Planetarium			Michigan	A planetarium in Flint.
106	NE		Visual Reconstructions Observatory			Michigan	A private observatory in Sterling Heights.
107	N		Greenville			Michigan
107	NE		St. Clair Shores			Michigan
107	S		White Barn Observatory			Ohio	Future observatory site near Bradford.
107	SE		Bucyrus			Ohio
107	W		Tippecanoe River State Park			Indiana	State Park. Chart is centered on a field, used for observing, near the nature center.
108	NE		Addison Oaks Observatory			Michigan	Observatory of Oakland County Astronomy Club in Addison Oaks county park.
109	NW		Rockford			Michigan
109	SW		Logansport			Indiana
110	E		Leamington			Ontario
110	NE		Washington(MI)			Michigan	A town in Macomb county.
110	NW		Allendale			Michigan	In Ottawa county. Home of Grand Valley State University.
110	S		Muncie			Indiana	Home of the Muncie Astronomy Club and the observatory of Ball State University.
113	E		Hallam Observatory			Ontario	An observatory of the RASC Windsor Centre. Near Comber.
113	E		Point Pelee National Park			Ontario	National Park and dark sky preserve.
113	NW		Hemlock Crossings Park			Michigan	A park used by the Shoreline Amateur Astronomical Association (SAAA).
113	S		Darke Sky Ranch			Ohio	A private observatory near Red River, OH.
113	SE		Cobblestone Creek Observatory			Ohio	A private observatory in Southern Marion County, Ohio.
113	SW		IU Kokomo Observatory			Indiana	Observatory of Indiana University Kokomo. Also used by some members of the Kokomo Astronomy Club.
114	NE		Lake St. Clair Metropark Observatory			Michigan	Future site of an observatory of Wayne State University located at Lake St. Clair Metropark.
114	NE		Seven Ponds			Michigan	Home of the Seven Ponds Astronomy Club. Near Dryden.
115	SE		Rio Riley Solar Observatory			Ohio	A private observatory
115	W		Michigan City			Indiana	A town in La Porte county.
116	NE		Stargate Observatory			Michigan	Observatory of The Warren Astronomical Society. Located at Wolcott Mill Metropark.
116	S		Champaign Star Gazers Observing Site			Ohio	About 9 miles from Urbana.
116	S		The Troy Observatory			Ohio	A private observatory.
118	SE		Anderson Observatory			Ohio	A private obsrevatory near Shelby.
118	SE		Cliff's Observatory			Ohio	A private observatory near Marion.
119	NE		New Haven			Michigan	In Macomb county.
121	E		Vermilion			Ohio	A town in Erie county.
121	NE		Sirius Observatory			Michigan	A private observatory near Almont.
121	SE		Kitt's Castle Observatory			Ohio	A private observatory somewhere around Galion.
122	E		Tilbury			Ontario
122	NE		Kresge Environmental Education Center			Michigan	KEEC is an education center of Eastern Michigan Univserity. At Fish Lake.
122	SW		Anderson University Observatory			Indiana	Observatory of Anderson University.
123	NW		Grand Haven			Michigan
123	W		Indiana Dunes State Park			Indiana	Site used by the Calumet Astronomical Society
123	W		VU Observatory			Indiana	Observatory of Valparaiso University which holds public events.
124	S		Tranquility Observatory			Ohio	A private observatory near West Manchester.
124	W		Buckeyestargazer Observatory			Indiana	A private observatory near Valparaiso.
124	W		Jasper-Pulaski Fish and Wildlife Area			Indiana	Centered on an entrace road of the state wildlife area.
125	N		Saginaw			Michigan
128	NE		Vassar			Michigan
128	NW		Muskegon Astronomical Society			Michigan	Observatory of the MAS
129	SW		Teter Retreat and Organic Farm			Indiana	link
130	E		Lorain			Ohio
130	E		Oberlin			Ohio	Home of the Oberlin College Observatory and Oberlin Astronomy Club.
130	S		Richmond			Indiana
130	SE		Rustic Lake Observatory			Ohio	A private observatory near Ashland.
131	N		Brooks Astronomical Observatory			Michigan	Observatory of Central Michigan University. In Mt. Pleasant.
131	SE		Perkins Observatory			Ohio	Observatory of Ohio Wesleyan University .
132	NE		Blue Moon Observatory			Michigan	A private observatory near Mussey.
132	SE		Kilbourne Observatory			Ohio	A private observatory near Sunbury.
133	E		John D. Nielsen Observatory			Ohio	Observatory located on the Carlisle Reservation. Used for public observing by the The Black River Astronomical Society.
133	NW		Muskegon			Michigan	A town in Muskegon county.
134	N		Canadian Lakes			Michigan	A town and lake in MI.
134	N		Sunset Astronomical Society			Michigan	A society with members from Midland, Saginaw and Bay City (Tri-cities area).
135	NE		Kenockee Observatory			Michigan
136	E		LaGrange			Ohio	Home of the The Black River Astronomical Society.
136	S		Dayton			Ohio	Home of the Miami Valley Astronomical Society and their Apollo Observatory.
136	SW		Coyote Howl Observatory			Indiana	A private observatory.
137	E		Chatham			Ontario
137	SE		Payne's Starfield Observatory			Ohio	A private observatory in Fredericktown.
138	N		Delta College Planetarium			Michigan	Planetarium of Delta College in Bay City.
138	S		Bill's Doghouse Observatory			Indiana	A private observatory in Knightstown.
138	S		John Bryan State Park Observatory			Ohio	Observatory of the Miami Valley Astronomical Society in John Bryan State Park.
138	SE		Warren Rupp Observatory			Ohio	An observatory Near Mansfield. Home of the Hidden Hollow star party.
139	SW		Fishers			Indiana
140	SE		Hollow Oak Observatory			Ohio	A private observatory in Hilliard.
140	SW		Prairie Grass Observatory			Indiana	An observatory located in Camp Cullom near Mullberry. Also home of the Indiana Family Star Party.
141	E		CAA Observatory			Ohio	Observatory of the Cuyahoga Astronomical Association located at Letha House Park near Spencer.
141	SE		London			Ohio	In Madison county.
141	SW		Carmel			Indiana
142	E		Walter E. Schuele Planetarium			Ohio	Planetarium of the Lake Erie Nature & Science Center with public observing programs. In Bay Village.
143	E		Cosmic Orchard Observatory			Ohio	A private observatory near Columbia Station
143	NE		Black River Observatory			Michigan	A private observatory near Port Huron.
143	W		Thomas Conway Observatory			Indiana	Observatory of the Calumet Astronomical Society. Near Lowell in Lake county.
143	W		Lemon Lake County Park			Indiana	Site used by the Calumet Astronomical Society
144	N		Big Rapids			Michigan
144	NW		Stephen F. Wessling Observatory			Michigan	Public observatory of the Newaygo County Conservation District. Staffed and supported by the Newaygo County Dark Sky Astronomers.
145	SW		The Star Deck Observatory			Indiana	A private observatory near Greenfield.
146	NE		Sarnia			Ontario	Home of the RASC Sarnia Centre.
146	SW		Purdue University			Indiana	University in West Lafayette. Home of the Cumberland Observatory.
147	SE		Hutville			Ohio	Hutville is located on private property located between Columbus & Mt.Vernon, Ohio.
148	E		Burrell Memorial Observatory			Ohio	Observatory of Baldwin Wallace University.
148	SE		Columbus			Ohio	Home of The Columbus Astronomical Society
149	NE		Beckstrom Observatory			Michigan	A private observatory near Deford.
149	NE		Lamoria Springs Observatory			Michigan	A private observatory in Sandusky.
150	SE		Miller Observatory			Ohio	Observatory at Kenyon College.
151	E		Rondeau Provincial Park			Ontario	A provincial park on Lake Erie, near Chatham.
151	NE		Oakdale			Ontario
151	S		Middletown			Ohio
151	S		Oxford			Ohio
153	E		Green Ridge Observatory			Ontario	A private observatory near Ridgetown.
153	W		Astro Acres			Indiana	Future astronomy and telescope farm (or astronomy village). Near the town of Morocco,IN.
153	W		Willow Slough Fish and Wildlife Area			Indiana	A wildlife managment area used by the South Side Astronomers.
154	E		Cleveland			Ohio
154	S		Jefferson Observatory			Ohio	A private observatory.
154	SW		Indianapolis			Indiana	Home of the Indiana Astronomical Society and Holcomb Observatory and Planetarium of Butler University.
154	W		Cricket Hill			Illinois	Part of Lincoln Park. At Montrose Harbor.
154	W		Chicago			Illinois	Home of the Chicago Astronomical Society.
154	W		Prairie State College			Illinois	College in Chicago Heights.
155	E		Wooster			Ohio
155	S		Caesar Creek State Park			Ohio	State Park near Waynesville.
155	S		Fred Bay Observatory			Ohio	Observatory of the Warren County Astronomical Society. In Hisey Park.
156	N		River Valley RV Park			Michigan	Home of the Great Lakes Star Gaze. Near Gladwin.
156	W		Dearborn Observatory			Illinois	Observatory of Northwestern University.
157	W		Our Prairie Sky			Illinois	In Park Forest.
157	W		The Lone Wolf Observatory			Illinois	A private observatory near Oak Lawn
158	SE		Comprix Observatory			Ohio	A private observatory.
159	S		Hamilton			Ohio	A town in Butler county.
159	SE		Stillwell			Ohio
160	E		Bath Nature Preseve			Ohio	Nature preserve and observing site of the Summit County Astronomy Club.
160	E		Wadsworth Observatory			Ohio	A private observatory in Wadsworth.
160	N		Outdoor Adventures Saginaw Bay Resort			Michigan	A members-only campsite.
161	N		Harrison			Michigan	A town in Clare county.
161	S		Shelbyville			Indiana
161	W		Lake Katherine Nature Center			Illinois	Nature center in Palos Heights. Site of public observing sessions held by the Chicago Astronomical Society.
161	W		Tinley Park			Illinois	A town in Cook county.
162	S		KimbleLabs Observatory			Ohio	A private observatory near West Chester Township.
162	W		Morton Grove			Illinois	Forcast also covers Glenview, Wilmette, Evanston, Skokie, Park Ridge, Niles, and Des Plaines.
163	S		Rachel A. Hutzel Observatory			Ohio	Observatory at Camp Joy. In partnership with the Warren County Astronomical Society.
163	W		Glencoe			Illinois
163	W		Peotone			Illinois
164	E		Cuyahoga Valley National Park			Ohio	National park near Near Peninsula, OH.
164	S		Morrow			Ohio
164	S		West Chester			Ohio	A town in Butler county.
164	SE		Newark			Ohio
164	W		Moraine Valley Community College Observatory			Illinois	observatory of Moraine Valley Community College.
165	E		Rodney			Ontario
165	NW		Little Point Sable			Michigan
165	W		The Little Red School House			Illinois	A site used by the Chicago Astronomical Society. In Willow Springs.
166	E		Eastlake			Ohio
166	NE		Big Bend Observatory			Ontario	A private observatory of a member of the RASC London Centre.
166	NW		Allen Observatory			Michigan	A private observatory.
167	N		Apple Ridge Observatory			Michigan	A private observatory in Le Roy township.
167	S		Blue Creek Observing Site			Indiana	A private observing site somewhere around Sunman.
167	S		Marra's Frustration Center			Ohio	A private observatory near Forest Park.
167	SW		McCloud Nature Park			Indiana	A park and site of public observing held by the Indiana Astronomical Society.
168	W		Mount Jennings Observatory			Illinois	A private observatory somewhere around Manteno.
169	E		Astronomy Club of Akron Observatory			Ohio	An observatory of the Astronomy Club of Akron
169	NE		Delaware Park			Michigan	County park of Sanilac County.
169	S		Indian Lakes RV Campground			Indiana	An campground near Penntown
169	S		Loveland			Ohio	A town in Hamilton county.
169	SW		Franklin			Indiana	A town in Johnson country.
170	E		Eagle's Nest			Ohio	A private observatory near Akron.
170	E		Solon			Ohio	Used by some members of the Chagrin Valley Astonomical Society
170	E		WCAC			Ohio	The Wilderness Center Astronomy Club is located southwest of Canton.
170	W		Bradley			Illinois	Home of the Kankakee Area StarGazers.
170	W		Lincolnshire			Illinois	Also covers Deerfield which is home of the Skokie Valley Astronomers .
171	SW		Center Valley Observatory			Indiana	A private observatory somewhere around Clayton.
172	E		Fishcreek Rd Observing Site			Ohio	Site of public astronomy events in Stow, Ohio.
172	NW		Bass Lake			Michigan
172	W		Lombard			Illinois	Forecast also covers Glendale Hieghts, Elmhurst, Villa Park, Addison, and Glen Ellyn.
173	E		Penitentiary Glen Reservation			Ohio	A Lake Metropark and home of the Kevin P. Clinton Wildlife Center. Also site of the Super Star Party. Near Kirtland.
173	W		Kenosha			Wisconsin	Home of the Kenosha Astronomy Club.
174	NW		Racine			Wisconsin	Home of the Racine Astronomical Society.
174	S		Stonelick Lake State Park			Ohio	Home of public observing at Cincinnati Observatory. Pleasant Plain.
174	SE		Amanda			Ohio
174	SW		Goethe Link Observatory			Indiana	of Indiana University. Also the location of the Tanager Hill Observatory. In Brooklyn(IN).
175	N		Cedar Springs Observatory			Michigan	A private observatory.
175	SW		Shades State Park			Indiana	site of star parties held by the Wabash Valley Astronomical Society
175	W		Lockport			Illinois	A town in Will county.
175	W		Prairie Skies Star Party			Illinois	Star party held at Camp Shaw-Waw-Nas-See.
175	W		Northwest Suburban Astronomers			Illinois	The NSA is active in the area of Palatine/Hoffman Estates.
176	S		Cincinnati			Ohio	Home of the Cincinnati Astronomical Society.
176	SE		Fred's Observatory			Ohio	A private observatory.
177	NE		Port Franks			Ontario
177	S		Cincinnati Observatory Center			Ohio	A public observatory in Cincinnati.
177	SE		Coshocton			Ohio	A town in Coshocton county.
177	SE		Mambourg Farm Historical Park			Ohio	A park near Lancaster used for astronomy/stargazing programs by the Fairfield County Historical Parks District. Call for access.
178	E		Zeppy's Astronomical Observatory			Ohio	A private observatory somewhere around Chardon.
178	N		Berry Lake			Michigan
178	N		North Wind Observatory			Michigan	A private observatory.
178	NE		Lambton Shores			Ontario
178	NE		Oak Beach Observatory			Michigan	A private observatory.
178	NE		Strathroy			Ontario
178	W		SWAOG Light Site			Illinois	A public observing site of the South West Astronomy Observers Group. In Wheaton.
179	E		Don's Backyard			Ohio	A private observing site.
179	E		The Top Of The Sky Mini Observatory			Ohio	A private observatory.
179	NE		Port Crescent State Park			Michigan	State park
179	S		Cincinnati Nature Center			Ohio	Centered on the field of the Abner Hollow Pioneer Cabin in the Nature Center.
179	SW		Harvey Observatory			Illinois	A private observatory.
179	W		Lake Zurich			Illinois
180	N		Houghton Lake Observatory Site			Michigan	Site of future private observatory. Near Houghton Lake.
180	W		NAA Observatory			Illinois	An observatory of the Naperville Astronomical Association. Near Naperville.

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