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			St. Clair Shores			Michigan
7	NE		Lake St. Clair Metropark Observatory			Michigan	Future site of an observatory of Wayne State University located at Lake St. Clair Metropark.
11	NW		Visual Reconstructions Observatory			Michigan	A private observatory in Sterling Heights.
14	SW		Detroit			Michigan	Home of the Dassault Systèmes Planetarium at the Detroit Science Center.
16	NW		Troy Space Gazebo			Michigan	A private observatory used by some members of the Oakland Astronomy Club. In Troy.
16	S		Windsor			Ontario	Home of the RASC Windsor Centre.
17	N		New Haven			Michigan	In Macomb county.
17	NW		Rochester Hills			Michigan
17	NW		Washington(MI)			Michigan	A town in Macomb county.
19	N		Stargate Observatory			Michigan	Observatory of The Warren Astronomical Society. Located at Wolcott Mill Metropark.
19	W		Cranbrook Institute of Science			Michigan	Museum of natural history with public observing. In Bloomfield Hills.
22	SW		UM-Dearborn Observatory			Michigan	Observatory of the Dearborn Campus of the University of Michigan.
23	SW		Hector J. Robinson Observatory			Michigan	AKA the Lincoln Park Observatory. Observatory of the Lincoln Park School System. Near Lincoln Park High School.
25	NW		Addison Oaks Observatory			Michigan	Observatory of Oakland County Astronomy Club in Addison Oaks county park.
25	W		Livonia			Michigan
26	NW		McMath-Hulbert Observatory			Michigan	An observatory with public events. Near Lake Angelus.
26	SE		Hallam Observatory			Ontario	An observatory of the RASC Windsor Centre. Near Comber.
27	W		My-Spot Observatory			Michigan	A private observatory near West Bloomfield.
28	SE		Tilbury			Ontario
29	N		Sirius Observatory			Michigan	A private observatory near Almont.
33	NW		Seven Ponds			Michigan	Home of the Seven Ponds Astronomy Club. Near Dryden.
33	S		Camp Cedarwin Scout Camp			Ontario	A scout camp in Essex county.
34	SE		Leamington			Ontario
34	SW		Lake Erie Metropark			Michigan	A Detroit Metro Park on the Lake Erie shore line south of Detroit. Check with the park before planning observing.
34	W		Plymouth Digital Observatory			Michigan	A private observatory in Plymouth.
34	W		Novi Community Sports Park			Michigan	A park west of Northville. Used by some members of the Ford Amateur Astronomy Club.
36	NW		Heavens View Observatory			Michigan	A private observatory near Ortonville.
37	E		Chatham			Ontario
37	N		Kenockee Observatory			Michigan
40	N		Blue Moon Observatory			Michigan	A private observatory near Mussey.
41	NE		Sarnia			Ontario	Home of the RASC Sarnia Centre.
41	SW		Applewood Absurditory			Michigan	A private observatory, at least in spirit, near Ypsilanti.
41	SW		Ypsilanti			Michigan
42	NW		Star Hoppers Observatory			Michigan	An observatory of Star Hoppers amateur astronomy group. Near Holly.
42	W		GM Milford Proving Ground Softball Fields			Michigan	A private site used by the General Motors Astronomy Club.
42	W		Island Lake State Recreation Area			Michigan	Centered on Spring Mill Pond in Island Lake Recreation Area. Used by the Ford Amateur Astronomy Club.
43	SE		Point Pelee National Park			Ontario	National Park and dark sky preserve.
44	N		Black River Observatory			Michigan	A private observatory near Port Huron.
45	E		Oakdale			Ontario
45	W		Ann Arbor			Michigan	Home of of the Detroit Observatory and the Angel Hall Observatory. Both are observatories of the University of Michican.
46	NW		Fenton			Michigan
46	NW		Kresge Environmental Education Center			Michigan	KEEC is an education center of Eastern Michigan Univserity. At Fish Lake.
46	W		Northern Cross Observatory			Michigan	An observatory near Fenton.
47	W		Ore Lake Observatory			Michigan	A private observatory near Ore Lake.
48	SW		Monroe			Michigan
53	E		Green Ridge Observatory			Ontario	A private observatory near Ridgetown.
53	W		Irvington Observatory			Michigan	A private observatory in Howell.
54	E		Rondeau Provincial Park			Ontario	A provincial park on Lake Erie, near Chatham.
54	S		Pelee Island			Ontario	Actually, the southernmost point in Canada at the Fish Point Provincial Park. The best spot for observing Omega Centauri from Canada.
54	W		Peach Mountain Observatory			Michigan	Observatory of the University Lowbrow Astronomers. Near Dexter.
55	NW		Longway Planetarium			Michigan	A planetarium in Flint.
58	W		Cohoctah Nightcrawler Observatory			Michigan	A private observatory near Cohoctah.
60	N		Lamoria Springs Observatory			Michigan	A private observatory in Sandusky.
60	W		FAAC Observing Site			Michigan	Private observing site of the Ford Amateur Astronomy Club.
61	E		Big Bend Observatory			Ontario	A private observatory of a member of the RASC London Centre.
62	E		Rodney			Ontario
63	NW		Flushing Observatory			Michigan	A private observatory in Flushing.
63	SW		Al Meyers Airport			Michigan	Airport just outside of Tecumseh.
64	S		Collinsport Observatory			Ohio	A private observatory on Kelleys Island.
66	W		Seven Sisters Observatory			Michigan	A private observatory near Manchester.
69	SW		Appold Planetarium			Ohio	Planetarium of Lourdes University in Sylvania, OH.
69	SW		Ritter Observatory			Ohio	Observatory (RARC) of the University of Toledo. Also known as Brooks Observatory. In Toledo.
70	NW		Vassar			Michigan
70	S		Refractor Heaven			Ohio	A private observatory near Genoa.
70	S		Trout Observatory			Ohio	A private observatory in Oak Harbor.
72	N		Beckstrom Observatory			Michigan	A private observatory near Deford.
72	NE		Lambton Shores			Ontario
72	NE		Port Franks			Ontario
72	NE		Strathroy			Ontario
73	S		Sandusky			Ohio
75	SW		Whisper Observatory			Ohio	A private observatory in Holland.
76	SW		Fort Meigs Observatory			Ohio	A private observatory near Perrysburg.
76	SW		Perrysburg Observatory			Ohio	A private observatory in Perrysburg.
79	N		Delaware Park			Michigan	County park of Sanilac County.
79	S		Vermilion			Ohio	A town in Erie county.
79	SW		Luckey			Ohio	A town in Wood county.
79	W		Hogsback Observatory			Michigan	A private observatory near Mason, MI.
79	W		Jackson			Michigan	Home of the Amateur Astronomers of Jackson . and the Peter F. Hurst Planetarium .
80	E		Fingal Wildlife Centre			Ontario	FWC is a site used by the London RASC
80	W		Dobie Observatory			Michigan	A private observatory near Jackson.
81	NE		G-2 Farms Observatory			Ontario	A private observatory.
81	S		White Star Park			Ohio	County park and home of the Sandusky Valley Amateur Astronomy Club (SVAAC). annual star party. In Gibsonburg.
81	SE		Lorain			Ohio
82	E		Weymouth Pines Observatory			Ontario	A private observatory near Middlesex Centre.
82	W		MSU Observatory			Michigan	Observatory of Michigan State University in East Lansing.
83	NW		Saginaw			Michigan
83	SW		Lake Hudson State Recreational Area			Michigan	Dark-sky preserve near Hudson. Used for star parties by the Amateur Astronomers of Jackson.
84	W		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.
85	SE		Walter E. Schuele Planetarium			Ohio	Planetarium of the Lake Erie Nature & Science Center with public observing programs. In Bay Village.
86	S		Wolf Creek Park			Ohio	County park.
86	SW		BGSU Observatory			Ohio	Observatory of Bowling Green State University.
86	W		Lansing			Michigan	A town in Ingham county.
88	NE		Purple Crow Lidar Facility			Ontario	Laser radar located at the Environmental Sciences Western Field Station of Western University.
89	E		St. Thomas			Ontario
89	NE		Hume Cronyn Observatory			Ontario	A observatory run by the Department of Physics and Astronomy of the University of Western Ontario.
90	NE		Elginfield Observatory			Ontario	Observatory of the University of Western Ontario(UWO).
90	NE		London			Ontario	Home of the RASC London Centre.
90	SE		Oberlin			Ohio	Home of the Oberlin College Observatory and Oberlin Astronomy Club.
91	NW		Delta College Planetarium			Michigan	Planetarium of Delta College in Bay City.
91	SE		John D. Nielsen Observatory			Ohio	Observatory located on the Carlisle Reservation. Used for public observing by the The Black River Astronomical Society.
92	S		HVAG SkyTour			Ohio	Private land and site of puiblic viewings held by the Huron Valley Astronomers Group
92	SE		Cleveland			Ohio
93	S		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.
93	SE		Cosmic Orchard Observatory			Ohio	A private observatory near Columbia Station
94	SE		Burrell Memorial Observatory			Ohio	Observatory of Baldwin Wallace University.
94	SE		Eastlake			Ohio
95	NE		Bayfield			Ontario	Centered on the field of the Bayfield Agricultural Society Grounds which is site of public star parties held by the West Coast Astronomers.
96	E		Springwater Conservation Area			Ontario	link
96	SE		LaGrange			Ohio	Home of the The Black River Astronomical Society.
96	W		Fox Park Public Observatory			Michigan	A public observatory in Fox Memorial Park, Potterville.
97	S		Heidelberg College			Ohio	A college in Tiffin.
99	SW		Black Swamp Observatory			Ohio	A private observatory near Napoleon.
101	SE		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.
103	NE		SkyShed Observatories			Ontario	A manufacturer of observatories
103	NW		Sunset Astronomical Society			Michigan	A society with members from Midland, Saginaw and Bay City (Tri-cities area).
104	N		Port Crescent State Park			Michigan	State park
104	NE		Goderich			Ontario
104	W		Beman Observatory			Michigan	Observatory of Olivet College in Olivet.
105	N		Oak Beach Observatory			Michigan	A private observatory.
105	SE		CAA Observatory			Ohio	Observatory of the Cuyahoga Astronomical Association located at Letha House Park near Spencer.
106	E		Port Burwell Provincial Park			Ontario	Provincial park.
106	W		Dunham Hill Observatory			Michigan	A private observatory near Mulliken.
107	S		Riverbend Recreation Area			Ohio	A public park, used for public observing by the Millstream Astronomy Club. Near Findlay.
107	SE		Madison			Ohio
107	SW		Pioneer Scout Reservation			Ohio	A scout camp used as a star party site by the Toledo Astronomical Association.
108	E		Pictor Observatory			Ontario	A private observatory near Ingersoll.
108	SE		Solon			Ohio	Used by some members of the Chagrin Valley Astonomical Society
109	SE		Zeppy's Astronomical Observatory			Ohio	A private observatory somewhere around Chardon.
111	NE		Embro Observatory			Ontario	A private observatory near Embro.
111	SE		Bath Nature Preseve			Ohio	Nature preserve and observing site of the Summit County Astronomy Club.
111	SE		Cuyahoga Valley National Park			Ohio	National park near Near Peninsula, OH.
112	E		Tillsonburg			Ontario	Aka Tilsonburg.
112	S		Anderson Observatory			Ohio	A private obsrevatory near Shelby.
112	SE		Observatory Park			Ohio	Park of the Geauga Park District . Site of astronomical, geological and meteorlogical observatories. Affiliated with the Chagrin Valley Astronomical Society. In Montville township.
113	NW		Outdoor Adventures Saginaw Bay Resort			Michigan	A members-only campsite.
113	SE		The Top Of The Sky Mini Observatory			Ohio	A private observatory.
113	SW		Defiance			Ohio
114	NE		Stratford			Ontario	Home of the Stratford Astronomy Group.
114	S		Rustic Lake Observatory			Ohio	A private observatory near Ashland.
114	SE		Indian Hill Observatory			Ohio	Observatory of the Chagrin Valley Astronomical Society
116	SE		Eldon Russell Park			Ohio	A county park near Burton.
116	SE		SkyWatch Observatory			Ohio	A private obseratory near Hartsgrove.
117	NE		Camp Kintail			Ontario	A public camp used by the RASC Kitchener Centre.
117	NE		Woodstock			Ontario
117	S		Bucyrus			Ohio
118	SE		Fishcreek Rd Observing Site			Ohio	Site of public astronomy events in Stow, Ohio.
118	SE		Wadsworth Observatory			Ohio	A private observatory in Wadsworth.
118	W		Battle Creek			Michigan	A town in Calhoun county.
120	NE		CMOR			Ontario	The Canadian Meteor Orbit Radar. A meteor research station of the University of Western Ontario. Near Tavistock.
120	NE		Monkton Observing Site			Ontario	A spot an the end of Line 58 near the town of Monkton. Used as an observing spot by the RASC Kitchener-Waterloo Centre.
120	SE		Eagle's Nest			Ohio	A private observatory near Akron.
121	NW		Brooks Astronomical Observatory			Michigan	Observatory of Central Michigan University. In Mt. Pleasant.
122	SE		Hiram College			Ohio	College in Hiram
123	NE		Point Clark			Ontario
124	E		Delhi (ON)			Ontario
125	E		Conneaut			Ohio	Also covers Ashtabula.
125	NE		Wingham			Ontario
126	E		Long Point Provincial Park			Ontario	Provincial Park on lake Erie.
126	NE		New Hamburg Observatory			Ontario	A private observatory.
126	S		Kitt's Castle Observatory			Ohio	A private observatory somewhere around Galion.
126	SE		Astronomy Club of Akron Observatory			Ohio	An observatory of the Astronomy Club of Akron
127	N		Tawas			Michigan
127	SE		Wooster			Ohio
128	E		Norfolk County			Ontario
128	SE		Dorset Wilderness Area			Ohio	Wilderness area open to the public.
129	NE		Spring Hill School Observatory			Ontario	A private observatory at the site of a former school. Near Drumbo Blandford-Blenheim.
129	S		Rio Riley Solar Observatory			Ohio	A private observatory
129	SW		ONU Observatory			Ohio	Observatory or Ohio Northern University.
129	W		Greenville			Michigan
130	E		Long Point Observatory			Ontario	A commercial observatory, open to the public. Near Port Dover.
130	NW		Cedar Springs Observatory			Michigan	A private observatory.
131	NE		Hackbart Road Hill			Ontario	Also called Cross Hill. A spot on the side of Hackbart Road, 100 meters up from the radio tower. Used by some memebers of the RASC Kitchener-Waterloo Center. Near St. Clemens.
131	S		Warren Rupp Observatory			Ohio	An observatory Near Mansfield. Home of the Hidden Hollow star party.
131	SE		Mahoning Valley Cortese Observatory			Ohio	Observatory of the Mahoning Valley Astronomical Society. Near Braceville.
131	W		James C. Veen Observatory			Michigan	Home of the Grand Rapids Amateur Astronomical Association.
132	NE		Kincardine			Ontario
132	NE		North Perth			Ontario
133	E		Evergreen Observatory			Pennsylvania	A private observatory in Girard Township.
133	E		Simcoe			Ontario	Home of the North Shore Erie Amateur Astronomers.
133	W		Neuenschwander Observatory			Michigan	A private observatory.
134	NW		River Valley RV Park			Michigan	Home of the Great Lakes Star Gaze. Near Gladwin.
134	S		Cliff's Observatory			Ohio	A private observatory near Marion.
135	N		Oscoda			Michigan
135	SE		Don's Backyard			Ohio	A private observing site.
136	NE		Conestogo Lake			Ontario	Used by the RASC Kiitchener-Waterloo Centre.
136	SW		Auburn			Indiana	Home of Starkey Observatory.
136	SW		Schoonover Observatory			Ohio	An observatory staffed by members of the Lima Astronomical Society. Near Lima.
137	S		Cobblestone Creek Observatory			Ohio	A private observatory in Southern Marion County, Ohio.
137	SE		WCAC			Ohio	The Wilderness Center Astronomy Club is located southwest of Canton.
138	E		CMiller Observatory			Ontario	Near Brantford.
138	E		Port Dover			Ontario
138	NE		Kitchener-Waterloo			Ontario	Home of the RASC Kitchener-Waterloo Centre.
138	W		Kalamazoo			Michigan	Home of the Kalamazoo Astronomical Society and Owl Observatory.
139	S		Payne's Starfield Observatory			Ohio	A private observatory in Fredericktown.
139	W		Portage (MI)			Michigan
140	E		Brantford			Ontario
141	E		"Way The Held Out" Observatory			Pennsylvania	A private observatory near Conneautville.
141	NE		Hiddenwell Observatory			Ontario
142	E		Eureka Observatory			Pennsylvania	A private observatory.
142	NW		Harrison			Michigan	A town in Clare county.
143	E		Mitchell Observatory			Pennsylvania	A private observatory.
143	NE		Walkerton			Ontario
143	NW		Canadian Lakes			Michigan	A town and lake in MI.
143	SE		Clarke Observatory			Ohio	Observatory of Mount Union College. In Alliance.
143	W		Rockford			Michigan
144	NE		Cambridge			Ontario
144	W		Sycamore Stars Observatory			Michigan	A privately owned observatory dedicated to public remote use. Near Otsego.
145	W		Grand Rapids			Michigan	in Kent county
146	E		Erie			Pennsylvania	Home of the Mehalso Observatory of Penn State Erie.
146	SE		Field of Dreams Observatory			Ohio	A private observatory near Salem.
146	SW		Thomas S. Toth Observatory			Ohio	A private observatory near Spencerville.
147	S		Stillwell			Ohio
148	E		Edinboro University Planetarium and Observatory.			Pennsylvania	Observatory and planetarium of Edinboro University.
148	S		Indian Lake State Park			Ohio	State park
149	NE		Mount Forest			Ontario
149	S		Kilbourne Observatory			Ohio	A private observatory near Sunbury.
149	S		Miller Observatory			Ohio	Observatory at Kenyon College.
149	SE		Greenville			Pennsylvania	In Mercer county. Home to the Greenville Area Astronomy Club.
149	SW		Fort Wayne			Indiana	Home of the Fort Wayne Astronomical Society.
149	W		Shipshewana			Indiana
150	NE		Astrodoc's Doghouse Observatory			Ontario	A private observatory near Guelph.
150	NE		Starfest			Ontario	A starparty held near Mount Forest.
150	SE		Canfield			Ohio
150	SE		Fry Family Park			Ohio	A park in Pike Township
150	SE		Youngstown			Ohio
151	E		GCC Observatory			Pennsylvania	Observatory of Grove City College
151	W		Yarger Observatory			Michigan	Observatory and site of Astrocamp at YMCA Camp Eberhart in Three Rivers.
152	E		Meadville			Pennsylvania
152	NE		Fergus			Ontario
152	NE		Guelph			Ontario	Home of the University of Guelph Astronomy Club (possibly out of date).
152	W		Hawk's Hollow Observatory			Michigan	A private obsrevatory in Jenison.
153	NE		Brundish Observatory			Ontario	A private observatory near Guelph.
154	NE		Port Elgin			Ontario	Home of the Bluewater Astronomical Society (formerly the Bruce County Astronomical Society).
155	E		Old LeBoeuf Cemetery			Pennsylvania	A site of the Erie County Mobile Observers Group. Near Mill Village.
155	E		VSO			Ontario	AKA Very Small Obsrevatory. A private observatory near Ancaster.
155	NW		Big Rapids			Michigan
155	S		Hutville			Ohio	Hutville is located on private property located between Columbus & Mt.Vernon, Ohio.
155	S		Perkins Observatory			Ohio	Observatory of Ohio Wesleyan University .
156	E		Haldimand			Ontario
156	E		Pettis Rd Observatory			Pennsylvania	A private observatory.
156	NE		Durham			Ontario
156	NW		Houghton Lake Observatory Site			Michigan	Site of future private observatory. Near Houghton Lake.
157	E		Cayuga			Ontario
157	SE		Tranquility Gate Observatory			Ohio	A private observatory near North Lima.
157	W		Dr. T. K. Lawless Park			Michigan	Park and site of the Michiana Star Party held by the Michiana Astronomical Society. Near Vandalia.
159	W		Allendale			Michigan	In Ottawa county. Home of Grand Valley State University.
160	E		HAA Dark Sky Site			Ontario	Not a public Site. An observing site of the Hamilton Amateur Astronomers (HAA) for members' use.
160	NE		The Glenelg Observatory			Ontario	A private observatory near Durham.
161	NE		Blue Springs Camp			Ontario	A scout camp near Acton.
161	SE		Scenic Vista Park			Ohio	Park of the Columbiana County Park District. An observing site of the Mahoning Valley Astronomical Society.
162	N		Dreamy Skies Observatory			Michigan	A private observatory in Mio.
162	NE		Dornoch			Ontario
162	NE		Hamilton Centre Observatory			Ontario	Near Waterdown. Observatory of the Hamilton RASC
162	SW		New Bremen			Ohio
163	E		The Blue Marble Observatory			Ontario	A private observatory.
163	E		Hamilton			Ontario	Home of the HAA and the RASC Hamilton Centre.
163	NW		Roscommon			Michigan
163	S		Coshocton			Ohio	A town in Coshocton county.
163	SE		Westminster College Observatory			Pennsylvania	Observatory of Westminster College. In New Wilmington
164	E		Higby Hill Observatory			Pennsylvania	A private observatory.
164	NE		Colbeck Observatory			Ontario	A private observatory near Colbeck.
164	SE		Starshine Farm Observatory			Pennsylvania	A private observatory near Wayne.
164	W		Goshen College			Indiana	College in Goshen, IN.
165	NE		Halton Hills			Ontario
165	NE		Mount Nemo Observatory			Ontario	A private observatory.
166	NE		Allenford Observatory			Ontario	A private observatory near Allenford.
166	SW		Berne			Indiana	A town in Adams county.
166	SW		Stillwaters Observatory			Indiana	A private observatory near Columbia City.
167	E		Burlington			Ontario
167	NE		Milton			Ontario
167	NW		Higgins Lake			Michigan
167	SE		Winnerwood Observatory			Pennsylvania	A private observatory
167	SW		Camp Crosley/WAS Observatory			Indiana	A observatory of the Warsaw Astronomical Society(WAS). Located at Camp Crosley.
167	W		Astro Hut			Michigan	A private observatory near Holland.
167	W		Muskegon Astronomical Society			Michigan	Observatory of the MAS
168	W		Hemlock Crossings Park			Michigan	A park used by the Shoreline Amateur Astronomical Association (SAAA).
169	W		Vivekananda Monastery			Michigan	A site used by the Shoreline Amateur Astronomical Association in Ganges.
170	NE		Minakakis Observatory			Ontario	A private observatory near Halton Hills.
170	NW		Apple Ridge Observatory			Michigan	A private observatory in Le Roy township.
170	S		Newark			Ohio
171	N		McKim Alpena County Observation Site			Michigan	A private observing site somewhere around Alpena.
171	NE		Dundalk			Ontario
171	NE		Forks of the Credit			Ontario	A provincial park used by the Toronto RASC as a dark-sky site.
171	NW		Warbler's Hideaway Observatory			Michigan	A private observatory near Lovells.
171	S		Champaign Star Gazers Observing Site			Ohio	About 9 miles from Urbana.
171	S		Hollow Oak Observatory			Ohio	A private observatory in Hilliard.
172	NE		Orangeville			Ontario
172	NW		Berry Lake			Michigan
172	NW		Stephen F. Wessling Observatory			Michigan	Public observatory of the Newaygo County Conservation District. Staffed and supported by the Newaygo County Dark Sky Astronomers.
172	SE		Grove City College			Pennsylvania	College in Grove city.
173	NE		Owen Sound			Ontario	Home of the Bluewater Astronomical Society.
173	SE		Ramsey Observatory			Ohio	A private observatory.
173	W		South Haven Pier			Michigan
174	NE		Shelburne			Ontario
174	W		Grand Haven			Michigan
174	W		PHM Planetarium			Indiana	Aka Penn-Harris-Madison (PHM) Planetarium, in Mishawaka.
175	E		Niagara Centre Observatory			Ontario	An observatory of the RASC Niagara Centre. Located at the Chippawa Creek Conservation Area.
175	E		Weather and Sky Observatory			Ontario	A private observatory near Grimbsby.
175	NE		Oakville			Ontario
175	S		Columbus			Ohio	Home of The Columbus Astronomical Society
175	SW		Huntington			Indiana
176	E		GEM 'N I Dobservatory			Ontario	A private observatory in Grimsby.
176	NE		ES Fox Observatory (BAS/BOEC)			Ontario	Observatory of the Bluewater Astronomical Society located at the Bluewater Outdoor Education Centre of the Bluewater District School Board. The BOEC is a dark-sky preserve.
176	NE		South Bruce Peninsula			Ontario
177	NE		Beaver River Observatory			Ontario	A private obsrevatory somewhere in the Grey Highlands.
178	E		Lincoln			Ontario
178	NE		Brampton			Ontario
178	NE		Caledon			Ontario
178	NE		Sideroad 10D			Ontario	A spot on Sideroad 10D, in Grey county.
178	NE		Wiarton			Ontario
178	SE		Geneva College Observatory			Pennsylvania	Observatory of Geneva College. Also known as the John Paul Schaefer Memorial Observatory.
178	SE		Pittsburgh Space Weather Observation Area			Pennsylvania	A public observation area in Moraine State Park.
178	W		Muskegon			Michigan	A town in Muskegon county.
179	E		Beamsville			Ontario
179	NE		Grey Highland Skies Observatory			Ontario	A private observatory near Dundalk.
179	NE		ROBOsky.com Wild Flower Ridge Observatory			Ontario	An internet-accessible robotic-observatory farm, by ROBOsky.com, located in the Hockley Highlands near Orangeville.
179	SE		Brady's Run Park			Pennsylvania	A parkused as a star party site by the Beaver Valley Space Sciences Interest Group . Near Beaver Falls.
179	SE		Salt Fork State Park			Ohio	State Park near Cambridge.
179	SW		Morris Observatory			Indiana	Observatory of Manchester College. In North Manchester.
180	E		Long Point on Lake Chautauqua			New York	A state park on Chautauqua Lake. Used by the Southern Tier Astronomy Recreation Society (STARS) .
180	W		Jordan Hall Observatory			Indiana	Observatory, of the University of Notre Dame, at the Jordan Hall of Science. In South Bend.

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