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			Oak Hills			Ontario	A private observing site in Popow Ranch
8	E		Lennox and Addington Dark Sky Viewing Area			Ontario	A public and official dark-sky observing site of Lennox and Addington county.
15	NE		Kaladar			Ontario
24	SW		Ivanhoe Observatory			Ontario	A private observatory near Ivanhoe.
26	NE		Arden			Ontario
31	E		Camden Lake			Ontario	A public wildlife area used by the Kingston RASC.
36	N		Marble Lake Observatory			Ontario	A private observatory near Cloyne.
36	SW		Stirling-Rawdon			Ontario
38	W		Marmora			Ontario
39	SE		Starlight Cascade Observatory			Ontario	A private observatory near Yarker.
40	SE		Greater Napanee			Ontario
43	S		Belleville			Ontario	Home of the RASC Belleville Centre
48	NE		Split Rock Observatory			Ontario	A private observatory near Ardoch.
48	NE		North Frontenac Dark Sky Preserve			Ontario	Public observing site with concrete pad for telescopes, power, outhouses and parking. Part of the 1000+ acre North Frontenac Dark Sky Preserve.
48	SW		Mason Bald Observatory			Ontario	A private observatory in Frankford.
49	NE		Sharbot Lake			Ontario
49	SW		Heartwood Observatory			Ontario	A private observatory.
49	SW		Quinte West			Ontario
50	E		Sydenham			Ontario
52	E		Otter Lake Scout Camp			Ontario	A scout camp on Otter lake.
53	E		The Observatory on the Lake			Ontario	link
53	SW		Campbellford			Ontario
55	N		Nirvana			Ontario	Where OAFs go when they have earned enough observing karma. AKA Irvine Lake Airstrip. Near Bon Echo Provincial Park. Note: no cell phone service.
55	W		Oak Lake Observatory			Ontario	A private observatory.
56	SE		Prinyer's Cove			Ontario	In Prince Edward County.
56	SW		Trenton			Ontario
58	SW		FvH Observatory			Ontario	A private observatory in Trenton.
59	NW		Loon Call Observatory			Ontario	A private observatory near Coe Hill.
59	NW		Old Hastings Observatory			Ontario	A private observatory.
59	S		Picton			Ontario
63	NE		Cygnus Hill Observatory			Ontario	A private observatory near Maberly.
63	NE		Chickadee Ridge Observatory			Ontario	A private observatory.
65	NE		Camp Opemikon			Ontario	Centered on the overflow parking lot, accross the road from Scout Camp Opemikon. The parking lot is used as casual observing site from some observers from Ottawa as it doesn't require entry to the camp.
66	E		Westport			Ontario
67	E		Battersea Observatory			Ontario	A private observatory in Battersea.
67	S		West Lake			Ontario	Forecast also covers Sandbanks Provincial Park.
67	SE		Kingston			Ontario	Home of the RASC Kingston Centre and The Queen's Observatory of Queen's University.
68	S		Fall 'N' Stars			Ontario	A star party held by the Belleville and Kingston RASC centres at Johnson's R.V. PARK.
72	SW		Sandy Flats Observatory			Ontario	A private observatory near Roseneath.
73	SW		Lakehenge Observatory			Ontario	A private observatory.
74	W		Apsley			Ontario
75	SW		Lorenz Observatory			Ontario	A site of the North York Astronomical Association near Cobourg.
77	E		Black Lake Observatory			Ontario	A private observatory between Perth and Westport.
77	NW		Bancroft			Ontario
77	S		Point Petre			Ontario	A spot at the end of end of Simpson Road used by some RASC Kingston members for Mars observing.
77	W		Camp Kawartha			Ontario	A non-profit camp for kids and adults.
78	NE		K&P at Clyde Forks			Ontario	A spot along Clyde Forks road where it ends at the K&P trail.
79	NE		Black Creek Pond			Ontario	A small pond along Black Creek road in Lanark County.
80	E		Whippoorwill Hill Observatory			Ontario	A private observatory.
80	NW		Silent Lake			Ontario	Provincial Park
82	W		Anstruther Lake Observatory			Ontario	A private Observatory.
84	N		Teeples Hill			Ontario	Private property on Teeple Haley Road. Permission required.
86	E		Gananoque			Ontario
86	NE		Perth			Ontario
88	N		Kennelly's Mountain			Ontario	Near Calabogie.
89	NE		Tatlock Quarry Outlook			Ontario	Outlook over a working quarry. Access is by private road with 'use at your own risk' signage. Gate is closed in the winter.
90	N		Quadeville Road			Ontario	A spot along Quadeville road near Wolfe.
90	SW		WhistleStop Observatory			Ontario	A private observatory.
90	W		Buckhorn Observatory			Ontario	An observatory near Buckhorn.
91	NE		Rideau Ferry Observatory			Ontario	A private observatory near Rideau Ferry.
91	W		Peterborough			Ontario	Home of the Peterborough Astronomical Association
93	E		Charleston Lake			Ontario	Provincial Park
94	NE		Sunset Bay			Ontario	A private observatory on the SW end of White Lake, occaisonally used by some members of OAFs.
97	E		Hillier Observatory			Ontario	A private observatory.
99	SW		Cobourg			Ontario
100	N		Foymount			Ontario	A site used by the OAOG.
101	NW		Mount Mould Observatory			Ontario	A private observatory near Gooderham. Also known as MMO.
103	NE		Smiths Falls			Ontario
105	E		Poole's Resort Observatory			Ontario	Site of future private observatory. Named after Pool's Resort Road. Near Mallorytown.
107	NE		Coyote Observatory			Ontario	A private observatory near White Lake.
107	NW		Haliburton Scout Reserve			Ontario	A large scout camp centered around Lake Kennabi.
108	NE		Apple Orchard Observatory			Ontario	A private observing site
108	NW		Lake St. Peter Provincial Park			Ontario	Provincial Park near Bancroft.
109	NE		Beckwith Park			Ontario	Park in Black's Corners near Carleton Place. A site used by the OAOG.
109	NE		Fred Lossing Observatory			Ontario	Ottawa RASC's observatory near Almonte. Located on a back lot of the Mill of Kintail which is also the site of star parties held by the Ottawa Astronomy Friends.
110	SE		Dexter			New York
111	SW		Millbrook			Ontario
112	N		Barry's Bay			Ontario
112	NE		Bootland Farm			Ontario	A site use by the OAOG
113	N		Renfrew			Ontario
117	E		Millsite Lake			New York	Near the Indian River State Wildlife Preserve and the town of Alexandria Bay.
117	E		Merrickville			Ontario	Home of some members of the OAOG.
117	NW		Haliburton County			Ontario
119	E		Mount Olson Observatory			Ontario	A private observatory in North Augusta.
119	W		Highlands Wilderness Observatory			Ontario	An observatory in Minden Hills.
121	E		Brockville			Ontario
121	SE		Watertown			New York	A town in Jefferson county.
122	N		Pit Road			Ontario	A spot along Pit road (aka Mcguinty Rd) used by some Ottawa area observers. Near Osceola.
122	W		Fenelon Falls			Ontario
123	SW		DRAACO			Ontario	Durham Region Astronomical Association Centre for Observing. Home of the DRAA.
123	W		Kawartha Observatory			Ontario	A private observatory in Lindsay.
125	E		Oxford Observatory			Ontario	A private observatory near Oxford Mills.
127	NW		Four Corners Madawaska Observatory			Ontario
129	N		Bonnechere Provincial Park			Ontario	Provincial park on Round lake. (Note: Nearby Bonnechere airstrip is nolonger accessable for observing.)
129	NE		Carp Library / Diefenbunker			Ontario	Library and cold-war museum used for public star parties by the Ottawa RASC.
129	SW		Baetsen Observatory			Ontario	A private observatory near Orono.
129	SW		Newcastle Observatory			Ontario	A private observatory in Newcastle.
130	E		Limerick Forest Pit			Ontario	A public parking lot located in Limerick Forest which is managed by the United Counties of Leeds and Grenville.
131	NE		Denholm Observatory			Ontario	A private observatory.
132	N		Zion Camp			Ontario	A site used by the OAOG. In Forester's Falls, about 10km from Cobden.
132	NE		Barred Owl Observatory			Ontario	A private observatory near Carp.
133	NW		Haliburton Forest Observatory			Ontario	An in a privately owned forest.
133	NW		McCauley Lake Observatory			Ontario	A private observatory.
133	SW		Long Sault Conservation Area			Ontario	A site used by the RASC Toronto centre. North of Bowmanville.
134	NE		Clarke Priscu Observatory.			Ontario	A private observatory.
134	NE		Quyon			Quebec
135	NE		Kathik-B Observatory			Ontario	A private observatory in Kanata.
135	NE		Earwig Haven Observatory			Ontario	A private observatory in Kanata.
135	NE		Kemptville			Ontario
136	NW		Four Corners Algonquin Observatory			Ontario
137	NE		TamyMartOffgrid			Quebec	A private observing site.
139	E		Annual International Video Astronomy Star Party			Ontario	A star party in Johnstown.
139	NE		Constance Bay			Ontario
139	NE		Camp No'Chimik			Ontario	A private farm. South of Manotick.
140	NE		Arbeatha Park			Ontario	A neighborhood in West Ottawa.
140	NE		Baxter Conservation Area			Ontario	Conservation area with picnic area and beach. Adjacent to Rideau Valley Air Park.
141	NE		Pinhey's Point			Ontario	A park.
141	S		Fair Haven			New York	A town in Cayuga county.
142	N		Lookout Point			Ontario	A lookout on Lookout Road, in Westmeath.
143	N		Pembroke			Ontario
143	NE		Jock River Observatory			Ontario	A private observatory.
143	S		Webster Park			New York	A park in Monroe County, NY.
143	SW		Hamlin Beach State Park			New York	State Park on the south shore of Lake Ontario.
144	NE		Inukshuk Observatory			Ontario	A private observatory in Ottawa.
144	NE		Pontiac			Quebec
144	NW		Rock Lake			Ontario	A campground in Algonquin Provincial Park.
145	W		Port Perry Astronomical Observatory			Ontario	link
146	NE		Astroknip's Observatory			Quebec	A private observatory in Aylmer.
146	W		Port Perry			Ontario
147	NE		Luskville Falls			Quebec	The Luskville Falls entrance to Gatineau Park. Site of public star parties held by astropontiac.ca.
148	E		South Mountain			Ontario	A site used by the OAOG.
149	E		Seaway Observatory			Ontario	A private observatory in Cardinal.
149	NE		Champlain Belvédère			Quebec	Belvédère Champlain du parc de la Gatineau. (AKA Champlain Lookout.) Site d'observation du groupe « Les astronomes du parc de la Gatineau ».
149	S		Dark Arts Observatory			New York	A private observatory.
149	SW		Camp Samac			Ontario	A scout camp near Oshawa.
150	N		Petawawa Terrace Provincial Nature Reserve			Ontario	A nature preserve near Petawawa.
150	SW		Oshawa			Ontario
151	W		Clearing off Thompson Road			Ontario	A clearing off Thompson road off of HYW 118. Private property. Use with permission.
152	N		Petawawa			Ontario
153	NE		Observatoire de Gatineau			Quebec	L'horloge climatique de Observatoire de Gatineau (the home of The Gatineau Observatory.)
154	NE		Boreal Skies Observatory			Quebec	A private observatory.
154	NE		Chelsea			Quebec
154	NE		Ottawa			Ontario	Home of the Ottawa RASC, the Ottawa Valley Astronomy and Observers Group, and the Ottawa Astronomy FriendS.
154	W		Ashburn Astronomical Observatory			Ontario	In Ashburn.
155	N		Achray Campground			Ontario	Campground in the northeast part of Algonquin Park.
155	NW		Mew Lake Campground			Ontario	A campground in Algonquin Provincial Park.Home to the Algonquin Adventure, a star party of the RASC Toronto Centre.
155	SW		Whitby			Ontario
156	E		Hewlett Observatory			New York	A private observatory near Canton.
156	NE		Otter Lake			Quebec	A site used by the OAOG.
156	W		Gambridge Go-Karts			Ontario	A go cart track near Gambebridge Beach.
157	S		Rochester			New York	Home of the RIT Observatory, the R.I.T. Astronomy Club and the The Astronomy Section of the Rochester Academy of Science (ASRAS).
158	NE		Gatineau			Quebec
158	NE		Wakefield			Quebec
159	NE		Winchester			Ontario
159	W		Lagoon City			Ontario
160	SE		Lewis County Fairgrounds			New York	Fairgrounds near Lowville.
160	SW		Brockport State Observatory			New York	An observatory on the campus of SUNY Brockport.
160	SW		CAMSAT Observatory			Ontario	A private observatory near Oshawa.
163	NE		Observatoires de Cantley			Quebec
163	NW		Lake of Bays			Ontario
163	NW		Oxtongue Lake			Ontario
163	SW		Ajax			Ontario
164	NE		Lac Georges			Quebec
164	S		Lyons			New York
165	E		Morrisburg			Ontario	An observing site of the SD&G Backyard Astronomers Club.
166	NE		Univerciel			Quebec	Un observatoire privé.
167	E		Five Ferns Observation Site			Ontario	AKA the Fougere Homestead. A site used by the OAOG. Near Williamsburg.
167	NE		Boundary Road			Ontario	AKA Stetsons Flyers. A site, south-east of Ottawa, used by the OAOG.
168	SW		Pickering			Ontario
168	W		Goodwood			Ontario	Near Uxbridge.
169	S		Timerson Observatory			New York	A private observatory near Newark.
169	W		Churchill Chimes Equestrian Center			Ontario	Riding school near the Goodwood Conservation Area.
170	NE		Observatoire Isis			Quebec	Près de Val des Monts.
170	NE		Photon's End Observatory			Ontario	A private observatory in Orleans. Ni!
171	SW		Bay Ridges Observatory			Ontario	A private obseratory in Pickering.
172	NW		Algonquin Radio Observatory			Ontario	Radio Observatory located in Algonquin Provincial Park.
172	SW		Marshall Hill Observatory			New York	A private observatory in Medina.
173	NE		Embrun			Ontario
173	SW		Salvador Observatory			Ontario	A private observatory somewhere around Pickering.
174	W		Bracebridge			Ontario
174	W		Mount Albert Lion's Club			Ontario	Near Mount Albert.
175	N		Deep River			Ontario	Home of the Deep River Astronomy Club.
175	W		Orillia			Ontario	Home of the Orillia Stars astronomy club.
176	W		Gravenhurst			Ontario
177	E		Potsdam			New York
177	NE		Val-des-Monts			Quebec
177	SE		Liverpool			New York
179	W		Woodland Trails			Ontario	A scout camp near Aurora.
180	E		Clarkson Observatory			New York	AKA the Reynolds Astronomical Observatory. Observatory of \tClarkson University in Potsdam. \tAlso home of the Clarkson Stargazers.
180	S		The Marian and Max Farash Center for Observational Astronomy			New York	Home of the Farash Observatory and the Wolk Observatory Rochester Academy of Science. Near Ionia.
181	NW		Huntsville			Ontario
181	SW		Scarborough			Ontario	A home of the University of Toronto Scarborough..
181	W		Island Grove Observatory.			Ontario	Near Keswick on southernmost Lake Simcoe.
183	SE		B & P Myers Observatory			New York	A private observatory near West Leyden.
184	E		Tooley Pond			New York	In Adirondack State park.
185	NE		Hammond			Ontario	A site used by the OAOG.
185	S		The Smith Observatory			New York	Historic observatory in Geneva.
185	SW		Markham			Ontario
186	SE		Syracuse			New York	Home of the Syracuse Astronomy Society.
186	W		Newmarket			Ontario	Home of the York Simcoe Amateur Astronomers Club.
187	S		Finger Lakes Regional Airport			New York	Also covers the north-central portion of the Finger Lakes area.
187	W		Innisfil			Ontario	A town in Simcoe County.
187	W		Torrance Barrens Dark-Sky Preserve			Ontario	A Dark-Sky Preserve. Near Gravenhurst and Lake Muskoka.
188	E		Massena			New York	A town in St. Lawrence county.
188	NE		OAOG Moose Creek			Ontario	A site on private land used by the OAOG with permission. Near Casselman.
188	NW		Muskoka District Municipality			Ontario
188	S		Baltimore Woods Nature Center			New York	Nature Center and site of star parties.
188	S		Richard S. Perkin Observatory			New York	A private observatory of Hobart and William Smith Colleges.
189	W		Bartole Observing Platform			Ontario	A private observatory somewhere around Cook's Bay.
189	W		Foxmead Observatory			Ontario	A private observatory near Coldwater.
191	N		Driftwood Provincial Park			Ontario	Provincial Park near Stonecliff, west of Deep River.
191	NE		Avonmore			Ontario
191	W		David Dunlap Observatory			Ontario	Historic Observatory in Richmond Hill.
192	W		Richmond Hill			Ontario
193	NE		Lac Heney			Quebec
193	SW		Betelgeuse Bar & Grill			Ontario	P.Mortfield's private observatory.
193	SW		KW Observatory			Ontario	A private obsrevatory near Thornhill.
193	W		Churchill			Ontario	A town south of Barrie.
195	NE		Thurso			Quebec
196	NE		Observatoire de Val-Des-Bois			Quebec
196	SW		DaVinci Observatory			New York	A private observatory near Lockport.
196	W		UpUp Observatory			Ontario	A private observatory on Hiraeth Island, Lost Channel near Severn Falls.
197	NE		Gatineau Gliding Club			Quebec	Private site of a flying club accessable to members, some of which are observers.
197	SW		Eyeline Observatory			New York	A private observatory in Ransomville.
197	W		Barrie			Ontario
197	W		Port Carling			Ontario
198	SW		Toronto			Ontario	Home of the Toronto RASC, University of Toronto Atmospheric Observatory (TAO) and the Ontario Science Center.
199	W		Vaughan			Ontario
200	S		Middlebury Observatory			New York	A private observatory.
200	W		Black Skies Observatory			Ontario	A private observatory near Waubaushene.
201	SE		Old Forge			New York
201	SW		Toronto Islands			Ontario
202	NE		South Nation Space Station			Ontario	A private observatory near Jessups falls.
202	SW		York University Observatory			Ontario	AKA Allan I. Carswell Observatory. Observatory, of York University, with public observing.
202	W		Taigh nan Reul			Ontario	Scottish Gaelec for "House of Stars". A private observatory.
203	E		Cornwall			Ontario
204	E		Christel Observatory			New York	A private observatory
204	S		C.E.K. Mees Observatory			New York	Observatory of the University of Rochester. Near Hornell.
204	SW		Kendrick Astro Observatory			Ontario	A private observatory in Toronto.
205	NW		Sandy Cove			Ontario	At the north-east end of Three Mile Lake. Near Burk Falls.
205	S		Los Gatos B&B			New York	Bed and Breakfast with star parties. In Penn Yan.
206	NE		Edja Lake			Quebec
206	NE		Observatoire Saint-Sixte			Quebec	Une observatoire privé.
206	SW		Niagara			Ontario	Also known as Niagara-on-the-Lake. Home of the RASC Niagara Centre.
208	NE		Lac Echo			Quebec	Activité annuelle de camping astronomique du RAAOQ à la Réserve Faunique Papineau-Labelle.
208	SW		Tobey Memorial Observatory			New York	A private observatory.
208	SW		Woodbridge			Ontario
208	W		B. Williams Mem. Observatory			Ontario	A private observatory near New Tecumseth.
209	SE		Darling Hill Observatory			New York	Obsevatory of the Syracuse Astronomical Society. Near Tully.
209	SE		Supernova Observatory			New York	A private observatory near Floyd.
209	SW		Elliott-Astronomy Observatory			New York	A public observatory.
209	SW		Getzville			New York
209	W		Camp Saulaine			Ontario	Between Angus and Barrie.
210	NE		Baltic Corners			Ontario	Main observing site of the SD&G Backyard Astronomers Club. South of the Village of Dunvegan, east from Maxville and west of Alexandria.
210	NE		Treadwell Observatory			Ontario
210	SW		Lloyd Manor Park			Ontario	A park in Etobicoke (west Toronto), used by the the 433rd Toronto Scouts..
210	W		Cold Creek Conservation Area			Ontario	Conservation area used as an observing site by the York Simcoe Amateur Astronomers Club.
211	NW		Burk's Falls			Ontario
211	W		Og's Bog			Ontario	A site of the North York Astronomical Association near Schomberg.
212	SE		Black Forest			New York	In Adirondack Park. Along the Black River between North Wilmurt and Atwell.
212	SW		Fred's Backyard Observatory			Ontario	A private observatory in Etobicoke.
213	NE		Papineau Regional County Municipality			Quebec
213	NE		Tour d'observation Montagnes Noires			Quebec	Tour d'observation dans le Parc des Montagnes Noires.
213	S		Highwinds Observatory			New York	A private observatory in Geneseo.
213	W		Midland			Ontario
214	W		Bolton			Ontario
216	W		Alliston			Ontario
217	SW		Firemen's Park			Ontario	Used by the RASC Niagara Centre for monthly public observing nights.
217	W		R2 Observatory			Ontario	Private observing site of the Phd Astro group.
217	W		Delta Rocky Crest Resort			Ontario	A resort near Mactier.
217	W		Tiny Marsh Provincial Wildlife Area			Ontario	Centered on the trailhead of Tiny Marsh Provincial Wildlife Area. Near Elmvale, in Tiny Township.
218	SW		Brampton BrightSkies Observatory			Ontario	A private observatory in Brampton.
218	SW		Niagara Falls			New York
218	W		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).
219	NE		North Glengarry			Ontario
219	SE		Peters Observatory			New York	Observatory of Hamilton College. In Clinton.
219	SW		Mississauga			Ontario	Home of the RASC Mississauga Centre. Forecast also covers the Riverwood Star Party held by the RASC Mississauga Centre.
220	E		Adirondack Public Observatory			New York	Observatory near Tupper Lake.
220	NE		Mill Pond Observatory			Ontario	A private observatory. Also used by some members of the SD&G Back Yard Astronomers from Cornwall.
220	NE		Plouffe Observatory			Quebec	A private observatory.
220	SW		Niagara Falls			Ontario
220	W		Palgrave Conservation Area			Ontario	Site of the EfstonScience Cosmic Connections Observing Sessions. 10km north of Bolton.
223	SW		Kellogg Observatory			New York	Observatory of the Buffalo Museum of Science in Buffalo.
223	W		Willowbrook Observatory			Ontario	Near Alliston
224	E		Lancaster			Ontario	An observing site of the SD&G Backyard Astronomers Club.
224	SE		Angel Light Observatory			New York	A private observatory near DeRuyter.
224	SW		Brampton			Ontario
224	SW		St Catharines			Ontario
225	SE		MVAS Observatory			New York	An observatory of the Mohawk Valley Astronomical Society
225	SW		Beaver Meadow Observatory			New York	Observatory of the Buffalo Astronomical Association. Near North Java.
226	E		Observatoire de Walter Laperle			Quebec
226	W		Caledon			Ontario
227	NE		Maniwaki			Quebec
227	SW		Buffalo			New York	Home of the Buffalo Astronomical Association.
227	W		Pine River Observatory			Ontario	A private observatory.
228	E		Long Lake			New York	Home of Penguin Rock Observatory.
228	SW		Fort Erie Observatory			Ontario	A private observatory near Fort Erie.
229	W		ROBOsky.com Wild Flower Ridge Observatory			Ontario	An internet-accessible robotic-observatory farm, by ROBOsky.com, located in the Hockley Highlands near Orangeville.
230	NE		Watch Observatory 2			Ontario	A private observatory.
230	NW		Mattawa			Ontario
230	SW		Fort Erie			Ontario
231	NE		Pointe-au-Chêne			Quebec	Maison de quelques membres du Regroupement des Astronomes Amateurs de l'Outaouais (RAAO).
231	S		Ossian Observatory			New York	A private ovservatory in Ossian.
231	SE		Waterville Public Libarary			New York	Library in Waterville. A site used by the Mohawk Valley Astronomical Society (MVAS).
231	SW		Oakville			Ontario
231	W		Pine Islands			Ontario	In Georgian Bay half way between Parry Sound and Honey Harbour.
232	E		Lake Titus Observatory			New York	Near Malone.
232	NE		Brodie Road Observatory			Ontario
233	E		Malone			New York
233	E		Wakely Mountain			New York	Chart also covers the towns of Indian Lake, Blue Mountain Lake, Inlet and Eagle Bay. The area is used by some observers from Quebec. In Adirondack Park.
233	SE		CNYAC Observatory			New York	Observatory of the Central New York Astronomy Club.
233	SW		Vineland			Ontario
234	SE		Foggy Bottom Observatory			New York	Observatory of Colgate University in Hamilton.
234	SW		Armour Observatory			New York	A private observatory.
234	SW		Observatory on the Ridge			Ontario	A private observatory near Ridgeway.
236	NW		Canadian Ecology Centre Observatory			Ontario	Observatory of the Canadian Ecology Centre. In Samuel de Champlain Provincial Park
236	NW		Nelsons Bay Observatory			Ontario	A private observatory on Deer Lake near South River.
236	SW		Beamsville			Ontario
237	NE		Hawkesbury			Ontario
237	SW		Leslie George Marczi Observatory			Ontario	AKA LGMO. A private observatory in Welland.
237	SW		Minakakis Observatory			Ontario	A private observatory near Halton Hills.
237	SW		Welland			Ontario
237	W		Forks of the Credit			Ontario	A provincial park used by the Toronto RASC as a dark-sky site.
238	W		Collingwood			Ontario
239	NE		Observatoire Le Valhalla			Quebec	Un observatoire à Sainte Justine de Newton.
239	SW		Blue Braille Observatory			Ontario	A private observatory.
239	SW		GEM 'N I Dobservatory			Ontario	A private observatory in Grimsby.
239	SW		Lincoln			Ontario
240	NE		Lac Gagnon			Quebec
240	NW		Parry Sound			Ontario
240	S		Ithaca			New York	Home of the Cornell Astronomical Society. Also home of the Clinton B. Ford Observatory of Ithaca College. Forecast also covers the nearby Fuertes and Hartung-Boothroyd observatories of Cornell University.
240	S		Virgil Observatory			New York	A private observatory.
240	W		Chimnissing			Ontario	Centered on the West Beach of Chimnissing. On Christian Island in Georgian Bay.
240	W		Grey Highland Skies Observatory			Ontario	A private observatory near Dundalk.
240	W		Orangeville			Ontario
241	NW		Munro Park			Ontario	A campground near Powassan. Home of the Frozen Banana Star Party.
241	SE		Morehouse Lake Observatory			New York	A private observatory near Hoffmeister.
241	SW		Weather and Sky Observatory			Ontario	A private observatory near Grimbsby.
242	NW		Dunchurch			Ontario
242	SW		Milton			Ontario
242	SW		Orbit Jet Observatory			New York	An observatory near Colden.
243	E		SAPM Rosette 3.5			Quebec	Site d'observation privé pour les membres de la Société d'Astronomie de Planétarium de Montréal (SAPM).
243	SW		Transit Dreams North			New York	A private observatory.
243	W		Shelburne			Ontario
245	SW		Halton Hills			Ontario
246	E		Saranac Lake Observatory			New York	A private observatory near Saranac Lake.
246	SW		Port Colborne			Ontario
247	E		Huntingdon			Quebec
247	E		Observatoire Huntingdon			Quebec
247	SW		Burlington			Ontario
247	SW		Mount Nemo Observatory			Ontario	A private observatory.
249	E		Les Coteaux			Quebec	Forecast also covers Coteau-du-Lac and Saint-Zotique.
249	S		Starry Knoll			New York	A private observing site. A few miles from Houghton.
251	SE		Marathon			New York
251	SW		Blue Springs Camp			Ontario	A scout camp near Acton.
251	SW		Hamilton Centre Observatory			Ontario	Near Waterdown. Observatory of the Hamilton RASC
251	SW		Niagara Centre Observatory			Ontario	An observatory of the RASC Niagara Centre. Located at the Chippawa Creek Conservation Area.
252	W		Carr Astronomical Observatory			Ontario	Observatory of the Toronto RASC. Near Collingwood
253	E		Lake Harris Campground			New York	Campground on the shore of Lake Harris.
253	NE		Lake MacDonald			Quebec	Near Lost River and Lakeview
253	NE		Rigaud			Quebec
253	S		The Knob			New York	A private observatory.
254	SW		Hamilton			Ontario	Home of the HAA and the RASC Hamilton Centre.
255	E		Salaberry-de-Valleyfield			Quebec
255	SW		Lime Lake			New York	A lake near Machias.
255	W		Dundalk			Ontario
256	E		Rand Observatory II			New York	MPC W71. A private observatory in Lake Placid.
256	SW		Kitters Angola Observatory			New York	A private observatory affiliated with the Buffalo Astronomical Association and South West Florida Astronomical Society.
257	NE		Lachute			Quebec
257	NE		Watch Observatory			Quebec	A private observatory in St-Lazare.
258	NE		Arundel			Quebec
258	S		Stull Observatory			New York	Observatory at Alfred University. In Alfred.
258	W		Colbeck Observatory			Ontario	A private observatory near Colbeck.
260	NE		Saint-Lazare			Quebec
260	W		Lora Bay			Ontario
261	NE		Ferme Alarie			Quebec	Une ferme privée. Près de Brébeuf.
261	NE		Hudson			Quebec	Home of the Hudson Lunatic Astronomy Club.
261	NE		St-Placide			Quebec
261	SE		Norwich			New York
262	NE		Mont-Laurier			Quebec
262	W		Sideroad 10D			Ontario	A spot on Sideroad 10D, in Grey county.
263	NW		Restoule Provincial Park			Ontario	Provincial park and home of the Gateway to the Universe star party held by the North Bay Astronomy Club.
264	NW		North Bay			Ontario	Home of the North Bay Astronomy Club.
264	SW		Brundish Observatory			Ontario	A private observatory near Guelph.
264	SW		HAA Dark Sky Site			Ontario	Not a public Site. An observing site of the Hamilton Amateur Astronomers (HAA) for members' use.
264	W		Beaver River Observatory			Ontario	A private obsrevatory somewhere in the Grey Highlands.
265	E		Covey-Hill			Quebec
265	NE		Le Golf Sélect de Mirabel			Quebec	Club de golf associés avec le Club d'astronomie Mira
266	E		Optiques Fullum			Quebec	Un fabricant des télescopes en Vaudreuil.
266	SE		Blue Heron Cove Observatory			New York	A private observatory.
266	SW		Guelph			Ontario	Home of the University of Guelph Astronomy Club (possibly out of date).
266	SW		VSO			Ontario	AKA Very Small Obsrevatory. A private observatory near Ancaster.
267	NE		L'acceuil du Petit Lac			Quebec	Emplacement de camper d'astronomie organisé par le SAPM.
267	SW		The Blue Marble Observatory			Ontario	A private observatory.
268	E		Vaudreuil-Dorion			Quebec
268	W		Fergus			Ontario
269	NE		Observatoire de Mirabilis			Quebec	Un observatoire près du Mont Tremblant.
270	E		Pincourt			Quebec
270	NE		Mont-Tremblant			Quebec
270	NE		Parc national d'Oka			Quebec	link.
270	S		The HomCav Observatory			New York	A private observatory, near Maine, NY.
270	W		Astrodoc's Doghouse Observatory			Ontario	A private observatory near Guelph.
271	S		Eileen Collins Observatory			New York	An Observatory of Corning Community College.
272	NE		Observatoire de Labelle Etoile			Quebec	Une observatoire privé. Près de Labelle.
273	E		Keene			New York
273	NE		Lac Nominingue			Quebec
274	E		Holt Rd. Observatory			New York	A private observatory in Keene Valley.
274	NE		Observatoire astronomique du bois de Belle-Rivière			Quebec	Site d'observation du Club d'astronomie Bois de Belle-Rivière-Mirabel
275	E		Norton Cemetery			New York	A public cemetary. Site of impromptu public stargazing held by a small group of amateur astronomers. In Keene.
275	NE		Sainte-Scholastique			Quebec	Site d'observation de la Le club d'astronomie MIRA. Près de Mirabel.
276	E		Bellevue Observatory			Quebec	Obsevatory of the RASC Montreal Centre. Located at Morgan Arboretum, Ste. Anne-de-Bellevue.
276	NE		Domaine Saint-Bernard			Quebec	Site d'observation de la Société d'Astronomie de Planétarium de Montréal(SAPM).
276	NE		Radar de Saint-Adolphe-d'Howard			Quebec
276	NW		Pte. au Baril			Ontario	On Georgian Bay.
276	SW		Cayuga			Ontario
277	NE		Morin-Heights			Quebec
277	SW		Ellicottville Observatory			New York	A private observatory near Ellicottville.
278	N		Reserve Faunique La Verendrye			Quebec	Centered on an airstrip in the reserve. Used by the .
279	E		Altona Observatory			New York	A private observatory near Altona.
279	SW		Haldimand			Ontario
279	W		The Glenelg Observatory			Ontario	A private observatory near Durham.
280	NE		Sommet du Mont Tremblant			Quebec	Tremblant sous les étoiles>.
280	SW		Cambridge			Ontario
281	E		Au Sable Forks Observatory			New York	A private observatory in Au Sable Forks.
281	S		Owego			New York
283	N		Le Domaine			Quebec	Un domaine grande ouverte au milieu de la Reserverve Laverendrie.
283	NE		Observatoire de Lac Creux			Quebec	Près de Chute-St-Philippe.
283	NE		Saint-Sauveur			Quebec
284	NE		Saint-Eustache			Quebec
285	NE		Ste-Agathe-des-Monts			Quebec
285	NE		Ste-Anne-des-Lacs			Quebec
286	E		Schroon Lake			New York	A town and lake in Essex county.
286	NE		Laval-West			Quebec
286	NE		Saint-Jérôme			Quebec
286	SE		Dad's Nest			New York	A private observing site near Mayfield.
287	NE		Prevost			Quebec
287	W		Mount Forest			Ontario
288	S		Lone Pine Observatory			New York	A private observatory
288	S		Solis Lacus Observatory			New York	A private observatory in Binghamton.
288	SW		Fredonia Observatory			New York	Observatory of Fredonia State University of New York.
288	SW		Kitchener-Waterloo			Ontario	Home of the RASC Kitchener-Waterloo Centre.
289	NE		Observatoire de La Sitelle			Quebec
289	S		M & T Observatory			New York	A private observatory near Olean.
289	S		Sayre			Pennsylvania	Also covers Athens and Waverly.
289	SE		Ernest B Wright Observatory			New York	Observatory at Hartwick College. In Oneonta.
289	W		Durham			Ontario
290	NE		Observatoire d'Astronomie Berrada			Quebec	Un observatoire privé. Près de Val-des-Lacs
290	NE		Ste-Thérèse			Quebec
290	SW		Brantford			Ontario
291	E		Dorval			Quebec	Maison du Club d\'Astronomie de Dorval et Club d\'Astronomie "e-Toiles".
291	E		Observatoire astronomique de Châteauguay			Quebec	Observatoire privé de Doris Thibeault.
291	NE		Boisbriand			Quebec
291	NE		Fabreville			Quebec
291	W		Dornoch			Ontario
292	E		SAPM à Hemmingford			Quebec	Site d'observation de la Société d'Astronomie de Planétarium de Montréal
292	NE		Lac Lasalle			Quebec
292	SW		CMiller Observatory			Ontario	Near Brantford.
293	NE		Observatoire de Sainte-Sophie			Quebec	Un observatoire privé. Lien.
293	NE		Pedro-Observatory			Quebec
293	W		Starfest			Ontario	A starparty held near Mount Forest.
294	NE		Sainte-Sophie			Quebec
294	SE		Stony Creek Ranch Resort Observatory			New York	Privately owned observatory of The 1000 Acres Ranch Resort. Owners are members of the Albany Area Amateur Astronomers, the Shenandoah Astronomical Society, and the Northern Virginia Astronomy Club.
295	E		Saint-Remi			Quebec
295	NE		Lac de la Montagne noire			Quebec
296	NE		Lac Connelly			Quebec
296	NE		Rosemere			Quebec
296	NW		WBI/Britt			Ontario	A radar station. And site of informal star parties.
296	W		Conestogo Lake			Ontario	Used by the RASC Kiitchener-Waterloo Centre.
296	W		Owen Sound			Ontario	Home of the Bluewater Astronomical Society.
297	NE		Lorraine			Quebec
297	S		Kopernik Observatory			New York	Observatory of the Kopernik Astronomical Society.
297	W		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.
298	E		Adirondack Astronomy Retreat			New York	A star party held at Twin Valleys Camp, near Lewis. Home of SUNY Plattsburgh's David H. Levy Observatory.
298	E		Plattsburgh			New York	A town in Clinton county.
299	NE		Sainte-Anne-des-Plaines			Quebec
300	NE		Laval			Quebec