Clear Sky Chart

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Distance Km	Bear -ing	S p o n s o r e d?	Chart	Preview color key	Light Pollution	Prov/State	Comments/Links
0			Port Elgin			Ontario	Home of the Bluewater Astronomical Society (formerly the Bruce County Astronomical Society).
21	NE		Allenford Observatory			Ontario	A private observatory near Allenford.
24	S		Hiddenwell Observatory			Ontario
36	N		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.
36	NE		South Bruce Peninsula			Ontario
36	SW		Kincardine			Ontario
38	NE		Owen Sound			Ontario	Home of the Bluewater Astronomical Society.
38	SE		Walkerton			Ontario
39	NE		Wiarton			Ontario
44	E		Dornoch			Ontario
50	SW		Point Clark			Ontario
53	NE		Keppel Henge			Ontario	A solar-system observatory with unusually robust instruments. Located at Keppel Croft Gardens, near the shore of Georgean Bay between Wiarton and Owen Sound.
53	SE		Durham			Ontario
58	N		Ponte di Legno Observatory			Ontario	A private observatory somewhere around Ferndale.
59	SE		Starfest			Ontario	A starparty held near Mount Forest.
60	SW		Camp Kintail			Ontario	A public camp used by the RASC Kitchener Centre.
61	N		Blue Heron Observatory			Ontario	A private observatory in Greenough Harbour, outside of Stokes Bay Ontario, on the Northern Bruce Peninsula.
61	S		Wingham			Ontario
62	SE		The Glenelg Observatory			Ontario	A private observatory near Durham.
63	N		Lion's Head Dark Sky Viewing Platform			Ontario	A deck at Lion's head Marina in the town of Lion's Head. Site of public astronomy events.
63	N		Quetican Observatory			Ontario	Near Lion's Head.
68	E		Beaver River Observatory			Ontario	A private obsrevatory somewhere in the Grey Highlands.
69	E		Sideroad 10D			Ontario	A spot on Sideroad 10D, in Grey county.
70	N		Four Elements Observatory			Ontario	A private observatory.
72	SE		Mount Forest			Ontario
73	E		Lora Bay			Ontario
74	N		Miller Lake			Ontario	Forecast covers Summer House Park and Miller's Family Camp both sites of star parties held by the Bayside Astronomy Program
78	N		Johnston's Harbour			Ontario
80	E		Carr Astronomical Observatory			Ontario	Observatory of the Toronto RASC. Near Collingwood
81	SE		North Perth			Ontario
82	S		Goderich			Ontario
83	N		Cabot Head			Ontario	Chart is centered on the site of the Bruce Peninsula Star Party, aka StarFeast, but also covers the Cabot Head Provincial Nature Reserve Park and Bruce Peninsula National Park which is a dark sky preserve. In the Bruce penninsula.
85	E		Dundalk			Ontario
86	N		Dorcas Bay			Ontario	Location of the Singing Sands portion of Bruce Penninsula National Park. Also site of public astronomy events
93	E		Collingwood			Ontario
94	N		Tobermory			Ontario
95	SE		Colbeck Observatory			Ontario	A private observatory near Colbeck.
98	E		Grey Highland Skies Observatory			Ontario	A private observatory near Dundalk.
100	S		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.
100	S		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.
100	SE		Conestogo Lake			Ontario	Used by the RASC Kiitchener-Waterloo Centre.
102	E		Shelburne			Ontario
102	NE		Chimnissing			Ontario	Centered on the West Beach of Chimnissing. On Christian Island in Georgian Bay.
108	N		Chi'Cheemaun 1/3rd Point			Ontario	A spot in Georgian bay approixmately 1/3 of the way from Tobermory to Baymouth along the Chi'Cheemaun ferry's route. The Chi'Cheemaun ferry is host to public astronomy sessions while under way across Georgian Bay.
108	S		SkyShed Observatories			Ontario	A manufacturer of observatories
111	E		Pine River Observatory			Ontario	A private observatory.
114	SE		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.
115	E		Tiny Marsh Provincial Wildlife Area			Ontario	Centered on the trailhead of Tiny Marsh Provincial Wildlife Area. Near Elmvale, in Tiny Township.
115	SE		Fergus			Ontario
118	SE		Orangeville			Ontario
120	E		Willowbrook Observatory			Ontario	Near Alliston
122	E		Earl Rowe Provincial Park			Ontario	Provincial Park near New Tecumseth. Site of star parties held by the University of Toronto Physics Club (UTMPC) and the U of T Amateur Astronomer's Society (UTAAS).
122	N		Chi'Cheemaun 2/3rds Point			Ontario	A spot in Georgian bay approixmately 2/3 of the way from Tobermory to Baymouth along the Chi'Cheemaun ferry's route. The Chi'Cheemaun ferry is host to public astronomy sessions while under way across Georgian Bay.
123	E		Midland			Ontario
123	NE		Pine Islands			Ontario	In Georgian Bay half way between Parry Sound and Honey Harbour.
123	S		Stratford			Ontario	Home of the Stratford Astronomy Group.
123	SE		ROBOsky.com Wild Flower Ridge Observatory			Ontario	An internet-accessible robotic-observatory farm, by ROBOsky.com, located in the Hockley Highlands near Orangeville.
124	E		Alliston			Ontario
126	E		Camp Saulaine			Ontario	Between Angus and Barrie.
128	SE		New Hamburg Observatory			Ontario	A private observatory.
129	SE		Astrodoc's Doghouse Observatory			Ontario	A private observatory near Guelph.
129	SE		Forks of the Credit			Ontario	A provincial park used by the Toronto RASC as a dark-sky site.
130	E		R2 Observatory			Ontario	Private observing site of the Phd Astro group.
131	SE		Kitchener-Waterloo			Ontario	Home of the RASC Kitchener-Waterloo Centre.
133	SE		Palgrave Conservation Area			Ontario	Site of the EfstonScience Cosmic Connections Observing Sessions. 10km north of Bolton.
133	SW		Delaware Park			Michigan	County park of Sanilac County.
134	SE		Guelph			Ontario	Home of the University of Guelph Astronomy Club (possibly out of date).
135	E		Barrie			Ontario
135	N		South Baymouth			Ontario	On Manitoulin Island.
137	E		Black Skies Observatory			Ontario	A private observatory near Waubaushene.
137	E		B. Williams Mem. Observatory			Ontario	A private observatory near New Tecumseth.
137	S		Elginfield Observatory			Ontario	Observatory of the University of Western Ontario(UWO).
137	SE		Caledon			Ontario
138	SE		Blue Springs Camp			Ontario	A scout camp near Acton.
138	SE		Brundish Observatory			Ontario	A private observatory near Guelph.
139	S		CMOR			Ontario	The Canadian Meteor Orbit Radar. A meteor research station of the University of Western Ontario. Near Tavistock.
140	E		Og's Bog			Ontario	A site of the North York Astronomical Association near Schomberg.
140	S		Lambton Shores			Ontario
140	S		Port Franks			Ontario
140	SE		Halton Hills			Ontario
142	S		G-2 Farms Observatory			Ontario	A private observatory.
143	E		Churchill			Ontario	A town south of Barrie.
143	W		Port Crescent State Park			Michigan	State park
145	E		Bartole Observing Platform			Ontario	A private observatory somewhere around Cook's Bay.
145	N		Manitoulin Eco Park			Ontario	A commercial park and dark sky preserve.
145	SE		Bolton			Ontario
145	SE		Cambridge			Ontario
146	E		Foxmead Observatory			Ontario	A private observatory near Coldwater.
146	SE		Cold Creek Conservation Area			Ontario	Conservation area used as an observing site by the York Simcoe Amateur Astronomers Club.
146	W		Oak Beach Observatory			Michigan	A private observatory.
147	E		Innisfil			Ontario	A town in Simcoe County.
147	NE		Parry Sound			Ontario
147	NE		Pte. au Baril			Ontario	On Georgian Bay.
147	S		Embro Observatory			Ontario	A private observatory near Embro.
148	E		UpUp Observatory			Ontario	A private observatory on Hiraeth Island, Lost Channel near Severn Falls.
149	SE		Minakakis Observatory			Ontario	A private observatory near Halton Hills.
150	NE		Taigh nan Reul			Ontario	Scottish Gaelec for "House of Stars". A private observatory.
151	S		Purple Crow Lidar Facility			Ontario	Laser radar located at the Environmental Sciences Western Field Station of Western University.
152	SE		Spring Hill School Observatory			Ontario	A private observatory at the site of a former school. Near Drumbo Blandford-Blenheim.
153	S		Woodstock			Ontario
154	SE		Brampton			Ontario
155	E		Island Grove Observatory.			Ontario	Near Keswick on southernmost Lake Simcoe.
155	NE		Delta Rocky Crest Resort			Ontario	A resort near Mactier.
155	W		Oscoda			Michigan
157	E		Orillia			Ontario	Home of the Orillia Stars astronomy club.
157	SE		Brampton BrightSkies Observatory			Ontario	A private observatory in Brampton.
157	SE		Milton			Ontario
158	E		Torrance Barrens Dark-Sky Preserve			Ontario	A Dark-Sky Preserve. Near Gravenhurst and Lake Muskoka.
159	S		Hume Cronyn Observatory			Ontario	A observatory run by the Department of Physics and Astronomy of the University of Western Ontario.
160	E		Newmarket			Ontario	Home of the York Simcoe Amateur Astronomers Club.
160	SE		Woodbridge			Ontario
161	S		Pictor Observatory			Ontario	A private observatory near Ingersoll.
162	NE		Port Carling			Ontario
162	S		London			Ontario	Home of the RASC London Centre.
163	SE		CMiller Observatory			Ontario	Near Brantford.
164	SE		Vaughan			Ontario
165	NE		WBI/Britt			Ontario	A radar station. And site of informal star parties.
165	S		Strathroy			Ontario
165	SE		Hamilton Centre Observatory			Ontario	Near Waterdown. Observatory of the Hamilton RASC
166	SE		Mount Nemo Observatory			Ontario	A private observatory.
166	SW		Lamoria Springs Observatory			Michigan	A private observatory in Sandusky.
167	E		Mount Albert Lion's Club			Ontario	Near Mount Albert.
167	E		Richmond Hill			Ontario
167	S		Weymouth Pines Observatory			Ontario	A private observatory near Middlesex Centre.
167	SE		York University Observatory			Ontario	AKA Allan I. Carswell Observatory. Observatory, of York University, with public observing.
168	E		Gravenhurst			Ontario
169	E		David Dunlap Observatory			Ontario	Historic Observatory in Richmond Hill.
169	E		Woodland Trails			Ontario	A scout camp near Aurora.
169	SE		Fred's Backyard Observatory			Ontario	A private observatory in Etobicoke.
169	SE		Lloyd Manor Park			Ontario	A park in Etobicoke (west Toronto), used by the the 433rd Toronto Scouts..
170	SE		Brantford			Ontario
170	SE		Mississauga			Ontario	Home of the RASC Mississauga Centre. Forecast also covers the Riverwood Star Party held by the RASC Mississauga Centre.
170	W		Tawas			Michigan
171	N		Killarney			Ontario
171	SE		Betelgeuse Bar & Grill			Ontario	P.Mortfield's private observatory.
173	E		Lagoon City			Ontario
173	SE		Oakville			Ontario
173	SW		Beckstrom Observatory			Michigan	A private observatory near Deford.
174	SE		KW Observatory			Ontario	A private obsrevatory near Thornhill.
175	E		Gambridge Go-Karts			Ontario	A go cart track near Gambebridge Beach.
175	E		Markham			Ontario
175	SE		Kendrick Astro Observatory			Ontario	A private observatory in Toronto.
176	N		Killarney Provincial Park Observatory			Ontario	Observatory at Killarney Provincial park.
176	SE		VSO			Ontario	AKA Very Small Obsrevatory. A private observatory near Ancaster.
177	NE		Muskoka District Municipality			Ontario
177	SE		Burlington			Ontario
178	NE		Bracebridge			Ontario
178	SW		Black River Observatory			Michigan	A private observatory near Port Huron.
180	E		Goodwood			Ontario	Near Uxbridge.
181	E		Churchill Chimes Equestrian Center			Ontario	Riding school near the Goodwood Conservation Area.
181	NE		Dunchurch			Ontario
181	SE		Hamilton			Ontario	Home of the HAA and the RASC Hamilton Centre.
181	SE		Toronto			Ontario	Home of the Toronto RASC, University of Toronto Atmospheric Observatory (TAO) and the Ontario Science Center.
182	S		Tillsonburg			Ontario	Aka Tilsonburg.
182	SE		Toronto Islands			Ontario
182	SW		Sarnia			Ontario	Home of the RASC Sarnia Centre.
185	NW		Gore Bay			Ontario
185	S		St. Thomas			Ontario
189	N		Whitefish			Ontario
189	S		Springwater Conservation Area			Ontario	link
190	S		Delhi (ON)			Ontario
190	SE		Scarborough			Ontario	A home of the University of Toronto Scarborough..
191	E		Salvador Observatory			Ontario	A private observatory somewhere around Pickering.
191	SW		Kenockee Observatory			Michigan
193	NW		Maple Ridge Observatory			Michigan	Near Alpena.
193	SE		HAA Dark Sky Site			Ontario	Not a public Site. An observing site of the Hamilton Amateur Astronomers (HAA) for members' use.
193	SW		Blue Moon Observatory			Michigan	A private observatory near Mussey.
194	E		Bay Ridges Observatory			Ontario	A private obseratory in Pickering.
195	E		Pickering			Ontario
195	S		Fingal Wildlife Centre			Ontario	FWC is a site used by the London RASC
196	E		Ashburn Astronomical Observatory			Ontario	In Ashburn.
196	E		CAMSAT Observatory			Ontario	A private observatory near Oshawa.
196	W		McKim Alpena County Observation Site			Michigan	A private observing site somewhere around Alpena.
198	E		Port Perry			Ontario
198	NE		Huntsville			Ontario
198	SE		Norfolk County			Ontario
198	SE		Simcoe			Ontario	Home of the North Shore Erie Amateur Astronomers.
199	E		Port Perry Astronomical Observatory			Ontario	link
199	E		Clearing off Thompson Road			Ontario	A clearing off Thompson road off of HYW 118. Private property. Use with permission.
199	S		Big Bend Observatory			Ontario	A private observatory of a member of the RASC London Centre.
199	S		Oakdale			Ontario
200	E		Ajax			Ontario
200	SE		GEM 'N I Dobservatory			Ontario	A private observatory in Grimsby.
202	SE		Weather and Sky Observatory			Ontario	A private observatory near Grimbsby.
203	NE		Burk's Falls			Ontario
204	E		Whitby			Ontario
204	S		Port Burwell Provincial Park			Ontario	Provincial park.
205	N		Espanola			Ontario
205	SE		Cayuga			Ontario
206	E		Camp Samac			Ontario	A scout camp near Oshawa.
206	N		Burwash			Ontario	An observing site of the Greater Sudbury Amateur Astronomers.
206	NE		Lake of Bays			Ontario
206	SE		Port Dover			Ontario
207	NE		Sandy Cove			Ontario	At the north-east end of Three Mile Lake. Near Burk Falls.
207	SE		Haldimand			Ontario
208	SE		Beamsville			Ontario
209	E		Fenelon Falls			Ontario
209	E		Oshawa			Ontario
209	NE		Nelsons Bay Observatory			Ontario	A private observatory on Deer Lake near South River.
209	S		Rodney			Ontario
209	SW		Kresge Environmental Education Center			Michigan	KEEC is an education center of Eastern Michigan Univserity. At Fish Lake.
210	E		Kawartha Observatory			Ontario	A private observatory in Lindsay.
210	SE		The Blue Marble Observatory			Ontario	A private observatory.
210	SE		Lincoln			Ontario
210	W		Outdoor Adventures Saginaw Bay Resort			Michigan	A members-only campsite.
211	SE		Long Point Observatory			Ontario	A commercial observatory, open to the public. Near Port Dover.
211	SW		Sirius Observatory			Michigan	A private observatory near Almont.
212	SW		Vassar			Michigan
212	W		Cedar Springs Observatory			Michigan	A private observatory.
214	SE		Vineland			Ontario
215	E		Long Sault Conservation Area			Ontario	A site used by the RASC Toronto centre. North of Bowmanville.
219	E		Highlands Wilderness Observatory			Ontario	An observatory in Minden Hills.
220	NE		Oxtongue Lake			Ontario
220	SE		Niagara Centre Observatory			Ontario	An observatory of the RASC Niagara Centre. Located at the Chippawa Creek Conservation Area.
220	SW		Delta College Planetarium			Michigan	Planetarium of Delta College in Bay City.
220	W		Dreamy Skies Observatory			Michigan	A private observatory in Mio.
221	NE		Restoule Provincial Park			Ontario	Provincial park and home of the Gateway to the Universe star party held by the North Bay Astronomy Club.
221	S		Long Point Provincial Park			Ontario	Provincial Park on lake Erie.
221	SW		New Haven			Michigan	In Macomb county.
222	SE		St Catharines			Ontario
222	SW		Seven Ponds			Michigan	Home of the Seven Ponds Astronomy Club. Near Dryden.
223	SW		Stargate Observatory			Michigan	Observatory of The Warren Astronomical Society. Located at Wolcott Mill Metropark.
226	S		Green Ridge Observatory			Ontario	A private observatory near Ridgetown.
227	E		Baetsen Observatory			Ontario	A private observatory near Orono.
228	N		Doran Planetarium			Ontario	Planetarium of Laurentian University.
228	SE		Niagara			Ontario	Also known as Niagara-on-the-Lake. Home of the RASC Niagara Centre.
230	NW		Blind River			Ontario
231	E		DRAACO			Ontario	Durham Region Astronomical Association Centre for Observing. Home of the DRAA.
231	E		Newcastle Observatory			Ontario	A private observatory in Newcastle.
231	SE		Firemen's Park			Ontario	Used by the RASC Niagara Centre for monthly public observing nights.
232	SW		Addison Oaks Observatory			Michigan	Observatory of Oakland County Astronomy Club in Addison Oaks county park.
232	SW		Washington(MI)			Michigan	A town in Macomb county.
233	E		Millbrook			Ontario
235	N		Sudbury			Ontario	Home of the Greater Sudbury Amateur Astronomers, the Sudbury Astronomy Club, the Ken Odaisky Memorial Observatory The Doran Planetarium of Laurentian University and Science North which is host of public star parties.
235	S		Chatham			Ontario
235	SE		Welland			Ontario
235	SW		Saginaw			Michigan
236	SW		Lake St. Clair Metropark Observatory			Michigan	Future site of an observatory of Wayne State University located at Lake St. Clair Metropark.
237	E		Haliburton County			Ontario
237	NE		Munro Park			Ontario	A campground near Powassan. Home of the Frozen Banana Star Party.
237	SE		Niagara Falls			Ontario
238	NE		Haliburton Forest Observatory			Ontario	An in a privately owned forest.
238	S		Rondeau Provincial Park			Ontario	A provincial park on Lake Erie, near Chatham.
239	NW		Elliot Lake			Ontario
239	SE		Niagara Falls			New York
240	SW		Heavens View Observatory			Michigan	A private observatory near Ortonville.
241	SW		Visual Reconstructions Observatory			Michigan	A private observatory in Sterling Heights.
241	W		Warbler's Hideaway Observatory			Michigan	A private observatory near Lovells.
242	NW		ELAC-Stanleigh			Ontario	A site of the Elliot Lake Astronomy Club. A few km north of Elliot Lake.
242	SW		Longway Planetarium			Michigan	A planetarium in Flint.
243	E		Mount Mould Observatory			Ontario	A private observatory near Gooderham. Also known as MMO.
243	SE		Eyeline Observatory			New York	A private observatory in Ransomville.
243	SE		Port Colborne			Ontario
243	SW		Rochester Hills			Michigan
244	E		Peterborough			Ontario	Home of the Peterborough Astronomical Association
245	E		Buckhorn Observatory			Ontario	An observatory near Buckhorn.
245	NW		Hammond Bay Observatory			Michigan	A private observatory.
246	W		Stellamar Observatory			Michigan	A private observatory in Montmorency county.
246	W		Sunset Astronomical Society			Michigan	A society with members from Midland, Saginaw and Bay City (Tri-cities area).
247	SW		St. Clair Shores			Michigan
247	SW		Troy Space Gazebo			Michigan	A private observatory used by some members of the Oakland Astronomy Club. In Troy.
248	SW		McMath-Hulbert Observatory			Michigan	An observatory with public events. Near Lake Angelus.
250	SE		Blue Braille Observatory			Ontario	A private observatory.
250	SW		Flushing Observatory			Michigan	A private observatory in Flushing.
251	SE		Tobey Memorial Observatory			New York	A private observatory.
253	E		Haliburton Scout Reserve			Ontario	A large scout camp centered around Lake Kennabi.
253	SE		Elliott-Astronomy Observatory			New York	A public observatory.
253	SE		Observatory on the Ridge			Ontario	A private observatory near Ridgeway.
254	E		Camp Kawartha			Ontario	A non-profit camp for kids and adults.
255	E		Anstruther Lake Observatory			Ontario	A private Observatory.
255	NE		Fisher's Paradise			Ontario	A campground used by some members of the North Bay Astronomy Club.
255	NW		Drummond Island Airport			Michigan
255	SW		Cranbrook Institute of Science			Michigan	Museum of natural history with public observing. In Bloomfield Hills.
255	W		Roscommon			Michigan
256	S		Tilbury			Ontario
256	SW		Star Hoppers Observatory			Michigan	An observatory of Star Hoppers amateur astronomy group. Near Holly.
257	NE		North Bay			Ontario	Home of the North Bay Astronomy Club.
258	NE		Mew Lake Campground			Ontario	A campground in Algonquin Provincial Park.Home to the Algonquin Adventure, a star party of the RASC Toronto Centre.
258	SE		Fort Erie			Ontario
261	SE		Fort Erie Observatory			Ontario	A private observatory near Fort Erie.
261	SW		Fenton			Michigan
262	E		Cobourg			Ontario
263	E		Apsley			Ontario
264	NE		Rock Lake			Ontario	A campground in Algonquin Provincial Park.
264	SW		My-Spot Observatory			Michigan	A private observatory near West Bloomfield.
265	SE		Buffalo			New York	Home of the Buffalo Astronomical Association.
265	SE		DaVinci Observatory			New York	A private observatory near Lockport.
265	W		River Valley RV Park			Michigan	Home of the Great Lakes Star Gaze. Near Gladwin.
266	S		Hallam Observatory			Ontario	An observatory of the RASC Windsor Centre. Near Comber.
266	SE		Kellogg Observatory			New York	Observatory of the Buffalo Museum of Science in Buffalo.
267	E		Silent Lake			Ontario	Provincial Park
269	W		Houghton Lake Observatory Site			Michigan	Site of future private observatory. Near Houghton Lake.
270	SW		Detroit			Michigan	Home of the Dassault Systèmes Planetarium at the Detroit Science Center.
270	SW		Northern Cross Observatory			Michigan	An observatory near Fenton.
270	W		Higgins Lake			Michigan
271	E		Sandy Flats Observatory			Ontario	A private observatory near Roseneath.
271	NW		Whiskey Bay Observatory			Ontario	A private observatory.
271	SE		Marshall Hill Observatory			New York	A private observatory in Medina.
271	SW		Windsor			Ontario	Home of the RASC Windsor Centre.
273	E		Lorenz Observatory			Ontario	A site of the North York Astronomical Association near Cobourg.
274	E		WhistleStop Observatory			Ontario	A private observatory.
274	NE		Four Corners Algonquin Observatory			Ontario
275	SE		Kitters Angola Observatory			New York	A private observatory affiliated with the Buffalo Astronomical Association and South West Florida Astronomical Society.
276	SE		Fredonia Observatory			New York	Observatory of Fredonia State University of New York.
276	SW		GM Milford Proving Ground Softball Fields			Michigan	A private site used by the General Motors Astronomy Club.
276	W		Harrison			Michigan	A town in Clare county.
277	E		Oak Lake Observatory			Ontario	A private observatory.
277	SE		Erie			Pennsylvania	Home of the Mehalso Observatory of Penn State Erie.
279	NE		Curiosity Observatory			Ontario	A private observatory.
279	NW		Insel Haus			Michigan	A Bed and Breakfast on Bois Blanc Island.
279	SW		Livonia			Michigan
279	SW		UM-Dearborn Observatory			Michigan	Observatory of the Dearborn Campus of the University of Michigan.
281	S		Mitchell Observatory			Pennsylvania	A private observatory.
282	E		Lake St. Peter Provincial Park			Ontario	Provincial Park near Bancroft.
282	NE		Marten River Provincial Park			Ontario	Provincial park and star party site of the North Bay Astronomy Club.
282	S		Evergreen Observatory			Pennsylvania	A private observatory in Girard Township.
282	S		Leamington			Ontario
282	SE		Armour Observatory			New York	A private observatory.
283	SW		Cohoctah Nightcrawler Observatory			Michigan	A private observatory near Cohoctah.
283	SW		Novi Community Sports Park			Michigan	A park west of Northville. Used by some members of the Ford Amateur Astronomy Club.
283	W		J.S.M. Blue Lake Township Observatory			Michigan	A private obsrevatory.
284	S		Conneaut			Ohio	Also covers Ashtabula.
284	SW		Hector J. Robinson Observatory			Michigan	AKA the Lincoln Park Observatory. Observatory of the Lincoln Park School System. Near Lincoln Park High School.
285	E		Campbellford			Ontario
285	E		Loon Call Observatory			Ontario	A private observatory near Coe Hill.
285	NE		Canadian Ecology Centre Observatory			Ontario	Observatory of the Canadian Ecology Centre. In Samuel de Champlain Provincial Park
285	NW		Bois Blanc Island Observatory			Michigan	A private observatory on Bois Blanc Island.
286	NE		McCauley Lake Observatory			Ontario	A private observatory.
287	E		Bancroft			Ontario
287	SE		Transit Dreams North			New York	A private observatory.
287	SW		Island Lake State Recreation Area			Michigan	Centered on Spring Mill Pond in Island Lake Recreation Area. Used by the Ford Amateur Astronomy Club.
287	W		Brooks Astronomical Observatory			Michigan	Observatory of Central Michigan University. In Mt. Pleasant.
288	SW		Plymouth Digital Observatory			Michigan	A private observatory in Plymouth.
289	NE		Four Corners Madawaska Observatory			Ontario
289	SW		Irvington Observatory			Michigan	A private observatory in Howell.
290	S		Eureka Observatory			Pennsylvania	A private observatory.
290	W		Boyne Falls			Michigan
291	E		Old Hastings Observatory			Ontario	A private observatory.
292	E		Lakehenge Observatory			Ontario	A private observatory.
292	SW		Camp Cedarwin Scout Camp			Ontario	A scout camp in Essex county.
293	S		Point Pelee National Park			Ontario	National Park and dark sky preserve.
293	SE		Orbit Jet Observatory			New York	An observatory near Colden.
293	SW		Ore Lake Observatory			Michigan	A private observatory near Ore Lake.
294	E		Marmora			Ontario
296	NE		Mattawa			Ontario
297	S		Madison			Ohio
297	W		Dobie North Observing Field			Michigan	A private observing site.
299	E		Hamlin Beach State Park			New York	State Park on the south shore of Lake Ontario.
299	E		Heartwood Observatory			Ontario	A private observatory.
299	SE		Long Point on Lake Chautauqua			New York	A state park on Chautauqua Lake. Used by the Southern Tier Astronomy Recreation Society (STARS) .
299	W		Lawshe Memorial Observatory			Michigan	A private observatory near Bayview. Also covers Harbor Springs and Petroskey.

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