Clear Sky Chart

Charts within 300Km of the Denholm Observatory clear sky chart

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0 Denholm Observatory
 
Ontario   A private observatory.
1NW Barred Owl Observatory
 
Ontario   A private observatory near Carp.
5W Carp Library / Diefenbunker
 
Ontario   Library and cold-war museum used for public star parties by the Ottawa RASC.
6E Clarke Priscu Observatory.
 
Ontario   A private observatory.
8E Earwig Haven Observatory
 
Ontario   A private observatory in Kanata.
12N Pinhey's Point
 
Ontario   A park.
13E Arbeatha Park
 
Ontario   A neighborhood in West Ottawa.
13SE Kathik-B Observatory
 
Ontario   A private observatory in Kanata.
15E Astroknip's Observatory
 
Quebec   A private observatory in Aylmer.
16E Inukshuk Observatory
 
Ontario   A private observatory in Ottawa.
17N Constance Bay
 
Ontario  
20N 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 ».
22N Luskville Falls
 
Quebec   The Luskville Falls entrance to Gatineau Park. Site of public star parties held by astropontiac.ca.
23E Jock River Observatory
 
Ontario   A private observatory.
23NE Observatoire de Gatineau
 
Quebec   L'horloge climatique de Observatoire de Gatineau (the home of The Gatineau Observatory.)
23SW 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.
< 24 Boreal Skies Observatory
 
Quebec   A private observatory.
24E Ottawa
 
Ontario   Home of the Ottawa RASC, the Ottawa Valley Astronomy and Observers Group, and the Ottawa Astronomy FriendS.
25NE Chelsea
 
Quebec  
26S Beckwith Park
 
Ontario   Park in Black's Corners near Carleton Place. A site used by the OAOG.
27NE Gatineau
 
Quebec  
28N Pontiac
 
Quebec  
28NW Quyon
 
Quebec  
28SE Camp No'Chimik
 
Ontario   A private farm. South of Manotick.
32NE Observatoires de Cantley
 
Quebec  
33N Wakefield
 
Quebec  
35NE Univerciel
 
Quebec   Un observatoire privé.
35W Apple Orchard Observatory
 
Ontario   A private observing site
36NW TamyMartOffgrid
 
Quebec   A private observing site.
38W Coyote Observatory
 
Ontario   A private observatory near White Lake.
39SE Baxter Conservation Area
 
Ontario   Conservation area with picnic area and beach. Adjacent to Rideau Valley Air Park.
40NE Observatoire Isis
 
Quebec   Près de Val des Monts.
40W Bootland Farm
 
Ontario   A site use by the OAOG
41E Photon's End Observatory
 
Ontario   A private observatory in Orleans. Ni!
44E Boundary Road
 
Ontario   AKA Stetsons Flyers. A site, south-east of Ottawa, used by the OAOG.
44SW 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.
45SE Kemptville
 
Ontario  
48NE Val-des-Monts
 
Quebec  
48S Merrickville
 
Ontario   Home of some members of the OAOG.
48W Sunset Bay
 
Ontario   A private observatory on the SW end of White Lake, occaisonally used by some members of OAFs.
49S Smiths Falls
 
Ontario  
53SE Oxford Observatory
 
Ontario   A private observatory near Oxford Mills.
53SW Perth
 
Ontario  
55S Hillier Observatory
 
Ontario   A private observatory.
55SW Black Creek Pond
 
Ontario   A small pond along Black Creek road in Lanark County.
56E Embrun
 
Ontario  
56N Lac Georges
 
Quebec  
56S Rideau Ferry Observatory
 
Ontario   A private observatory near Rideau Ferry.
57SE South Mountain
 
Ontario   A site used by the OAOG.
57SE Winchester
 
Ontario  
57W Renfrew
 
Ontario  
60E Hammond
 
Ontario   A site used by the OAOG.
60NW Otter Lake
 
Quebec   A site used by the OAOG.
60SW K&P at Clyde Forks
 
Ontario   A spot along Clyde Forks road where it ends at the K&P trail.
63SE Limerick Forest Pit
 
Ontario   A public parking lot located in Limerick Forest which is managed by the United Counties of Leeds and Grenville.
65NE Thurso
 
Quebec  
65S Whippoorwill Hill Observatory
 
Ontario   A private observatory.
67S Mount Olson Observatory
 
Ontario   A private observatory in North Augusta.
68S Black Lake Observatory
 
Ontario   A private observatory between Perth and Westport.
69NE Observatoire de Val-Des-Bois
 
Quebec  
70SE Five Ferns Observation Site
 
Ontario   AKA the Fougere Homestead. A site used by the OAOG. Near Williamsburg.
71SW Cygnus Hill Observatory
 
Ontario   A private observatory near Maberly.
71W Kennelly's Mountain
 
Ontario   Near Calabogie.
72E Gatineau Gliding Club
 
Quebec   Private site of a flying club accessable to members, some of which are observers.
72NW Zion Camp
 
Ontario   A site used by the OAOG. In Forester's Falls, about 10km from Cobden.
72SW Chickadee Ridge Observatory
 
Ontario   A private observatory.
73SW 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.
74E OAOG Moose Creek
 
Ontario   A site on private land used by the OAOG with permission. Near Casselman.
75E South Nation Space Station
 
Ontario   A private observatory near Jessups falls.
75NE Observatoire Saint-Sixte
 
Quebec   Une observatoire privé.
76N Lac Heney
 
Quebec  
77SE Seaway Observatory
 
Ontario   A private observatory in Cardinal.
78SE Annual International Video Astronomy Star Party
 
Ontario   A star party in Johnstown.
79NE Lac Echo
 
Quebec   Activité annuelle de camping astronomique du RAAOQ à la Réserve Faunique Papineau-Labelle.
80NW Pit Road
 
Ontario   A spot along Pit road (aka Mcguinty Rd) used by some Ottawa area observers. Near Osceola.
80SE Morrisburg
 
Ontario   An observing site of the SD&G Backyard Astronomers Club.
80SW Westport
 
Ontario  
82E Avonmore
 
Ontario  
82NE Papineau Regional County Municipality
 
Quebec  
82NE Tour d'observation Montagnes Noires
 
Quebec   Tour d'observation dans le Parc des Montagnes Noires.
83E Treadwell Observatory
 
Ontario  
84NW Lookout Point
 
Ontario   A lookout on Lookout Road, in Westmeath.
84SW Sharbot Lake
 
Ontario  
86S Brockville
 
Ontario  
87SW Split Rock Observatory
 
Ontario   A private observatory near Ardoch.
87W Teeples Hill
 
Ontario   Private property on Teeple Haley Road. Permission required.
88NE Plouffe Observatory
 
Quebec   A private observatory.
88SW 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.
93S Charleston Lake
 
Ontario   Provincial Park
94E 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.
95N Edja Lake
 
Quebec  
97SE Massena
 
New York   A town in St. Lawrence county.
102E North Glengarry
 
Ontario  
102SW Otter Lake Scout Camp
 
Ontario   A scout camp on Otter lake.
103NW Pembroke
 
Ontario  
103S Poole's Resort Observatory
 
Ontario   Site of future private observatory. Named after Pool's Resort Road. Near Mallorytown.
103W Foymount
 
Ontario   A site used by the OAOG.
104E Pointe-au-Chêne
 
Quebec   Maison de quelques membres du Regroupement des Astronomes Amateurs de l'Outaouais (RAAO).
104SE Hewlett Observatory
 
New York   A private observatory near Canton.
104W Quadeville Road
 
Ontario   A spot along Quadeville road near Wolfe.
105E Cornwall
 
Ontario  
105S Battersea Observatory
 
Ontario   A private observatory in Battersea.
105SW Arden
 
Ontario  
106E Mill Pond Observatory
 
Ontario   A private observatory. Also used by some members of the SD&G Back Yard Astronomers from Cornwall.
106SW Marble Lake Observatory
 
Ontario   A private observatory near Cloyne.
106W 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.
108SE Potsdam
 
New York  
109NE Lac Gagnon
 
Quebec  
110SE Clarkson Observatory
 
New York   AKA the Reynolds Astronomical Observatory. Observatory of \tClarkson University in Potsdam. \tAlso home of the Clarkson Stargazers.
112E Hawkesbury
 
Ontario  
113E Brodie Road Observatory
 
Ontario  
113S Gananoque
 
Ontario  
114SW Sydenham
 
Ontario  
115NW Petawawa Terrace Provincial Nature Reserve
 
Ontario   A nature preserve near Petawawa.
116N Maniwaki
 
Quebec  
116SW The Observatory on the Lake
 
Ontario   link
117E Watch Observatory 2
 
Ontario   A private observatory.
117S Millsite Lake
 
New York   Near the Indian River State Wildlife Preserve and the town of Alexandria Bay.
117SW Kaladar
 
Ontario  
118NW Petawawa
 
Ontario  
119E Lancaster
 
Ontario   An observing site of the SD&G Backyard Astronomers Club.
122SW Camden Lake
 
Ontario   A public wildlife area used by the Kingston RASC.
123E Observatoire Le Valhalla
 
Quebec   Un observatoire à Sainte Justine de Newton.
123SW Starlight Cascade Observatory
 
Ontario   A private observatory near Yarker.
124NE Lake MacDonald
 
Quebec   Near Lost River and Lakeview
124SW Lennox and Addington Dark Sky Viewing Area
 
Ontario   A public and official dark-sky observing site of Lennox and Addington county.
125E Observatoire de Walter Laperle
 
Quebec  
128NE Arundel
 
Quebec  
128W Bonnechere Provincial Park
 
Ontario   Provincial park on Round lake. (Note: Nearby Bonnechere airstrip is nolonger accessable for observing.)
129S Kingston
 
Ontario   Home of the RASC Kingston Centre and The Queen's Observatory of Queen's University.
129SE Christel Observatory
 
New York   A private observatory
130NE Ferme Alarie
 
Quebec   Une ferme privée. Près de Brébeuf.
131SW Oak Hills
 
Ontario   A private observing site in Popow Ranch
133E Lachute
 
Quebec  
133W Barry's Bay
 
Ontario  
134E Rigaud
 
Quebec  
138E Les Coteaux
 
Quebec   Forecast also covers Coteau-du-Lac and Saint-Zotique.
138NE Observatoire de Mirabilis
 
Quebec   Un observatoire près du Mont Tremblant.
138NE L'acceuil du Petit Lac
 
Quebec   Emplacement de camper d'astronomie organisé par le SAPM.
139NE Mont-Tremblant
 
Quebec  
141E Le Golf Sélect de Mirabel
 
Quebec   Club de golf associés avec le Club d'astronomie Mira
141E St-Placide
 
Quebec  
141E Watch Observatory
 
Quebec   A private observatory in St-Lazare.
141NE Observatoire de Labelle Etoile
 
Quebec   Une observatoire privé. Près de Labelle.
142N Mont-Laurier
 
Quebec  
143E Malone
 
New York  
143E SAPM Rosette 3.5
 
Quebec   Site d'observation privé pour les membres de la Société d'Astronomie de Planétarium de Montréal (SAPM).
144E Hudson
 
Quebec   Home of the Hudson Lunatic Astronomy Club.
144E Observatoire Huntingdon
 
Quebec  
144NE Lac Nominingue
 
Quebec  
144NW Deep River
 
Ontario   Home of the Deep River Astronomy Club.
145E Huntingdon
 
Quebec  
145E Saint-Lazare
 
Quebec  
145NE Domaine Saint-Bernard
 
Quebec   Site d'observation de la Société d'Astronomie de Planétarium de Montréal(SAPM).
146E Salaberry-de-Valleyfield
 
Quebec  
146SE Tooley Pond
 
New York   In Adirondack State park.
147NE Radar de Saint-Adolphe-d'Howard
 
Quebec  
147SW Greater Napanee
 
Ontario  
147W Old Hastings Observatory
 
Ontario   A private observatory.
148NE Sommet du Mont Tremblant
 
Quebec   Tremblant sous les étoiles>.
148S Dexter
 
New York  
149NE Morin-Heights
 
Quebec  
149W Bancroft
 
Ontario  
150NW Achray Campground
 
Ontario   Campground in the northeast part of Algonquin Park.
150SE Lake Titus Observatory
 
New York   Near Malone.
152E Observatoire astronomique du bois de Belle-Rivière
 
Quebec   Site d'observation du Club d'astronomie Bois de Belle-Rivière-Mirabel
152E Optiques Fullum
 
Quebec   Un fabricant des télescopes en Vaudreuil.
152E Sainte-Scholastique
 
Quebec   Site d'observation de la Le club d'astronomie MIRA. Près de Mirabel.
152S Watertown
 
New York   A town in Jefferson county.
153E Parc national d'Oka
 
Quebec   link.
153E Vaudreuil-Dorion
 
Quebec  
154W Loon Call Observatory
 
Ontario   A private observatory near Coe Hill.
155NE Saint-Sauveur
 
Quebec  
155NE Ste-Agathe-des-Monts
 
Quebec  
155SW Ivanhoe Observatory
 
Ontario   A private observatory near Ivanhoe.
155SW Prinyer's Cove
 
Ontario   In Prince Edward County.
157E Pincourt
 
Quebec  
158NE Ste-Anne-des-Lacs
 
Quebec  
159N Observatoire de Lac Creux
 
Quebec   Près de Chute-St-Philippe.
159NE Observatoire d'Astronomie Berrada
 
Quebec   Un observatoire privé. Près de Val-des-Lacs
159NE Observatoire de La Sitelle
 
Quebec  
159W Lake St. Peter Provincial Park
 
Ontario   Provincial Park near Bancroft.
160E Bellevue Observatory
 
Quebec   Obsevatory of the RASC Montreal Centre. Located at Morgan Arboretum, Ste. Anne-de-Bellevue.
160E Prevost
 
Quebec  
161E Saint-Jérôme
 
Quebec  
161W Four Corners Madawaska Observatory
 
Ontario  
162NE Lac Lasalle
 
Quebec  
164NE Lac de la Montagne noire
 
Quebec  
164SW Marmora
 
Ontario  
165E Saint-Eustache
 
Quebec  
167E Covey-Hill
 
Quebec  
167E Laval-West
 
Quebec  
167E Observatoire de Sainte-Sophie
 
Quebec   Un observatoire privé. Lien.
167SW Stirling-Rawdon
 
Ontario  
167W McCauley Lake Observatory
 
Ontario   A private observatory.
168E Pedro-Observatory
 
Quebec  
169E Lac Connelly
 
Quebec  
169E Sainte-Sophie
 
Quebec  
169E Ste-Thérèse
 
Quebec  
170SE Adirondack Public Observatory
 
New York   Observatory near Tupper Lake.
170SW Belleville
 
Ontario   Home of the RASC Belleville Centre
170W Silent Lake
 
Ontario   Provincial Park
171E Boisbriand
 
Quebec  
171SW Oak Lake Observatory
 
Ontario   A private observatory.
172E Fabreville
 
Quebec  
173NW Driftwood Provincial Park
 
Ontario   Provincial Park near Stonecliff, west of Deep River.
173SW Picton
 
Ontario  
175E Dorval
 
Quebec   Maison du Club d\'Astronomie de Dorval et Club d\'Astronomie "e-Toiles".
175E Rosemere
 
Quebec  
175SW Fall 'N' Stars
 
Ontario   A star party held by the Belleville and Kingston RASC centres at Johnson's R.V. PARK.
176E Lorraine
 
Quebec  
176E Sainte-Anne-des-Plaines
 
Quebec  
176NW Algonquin Radio Observatory
 
Ontario   Radio Observatory located in Algonquin Provincial Park.
176S Lewis County Fairgrounds
 
New York   Fairgrounds near Lowville.
177W Four Corners Algonquin Observatory
 
Ontario  
177W Apsley
 
Ontario  
179E Observatoire astronomique de Châteauguay
 
Quebec   Observatoire privé de Doris Thibeault.
179NE Saint-Calixte
 
Quebec  
179SW Mason Bald Observatory
 
Ontario   A private observatory in Frankford.
180E Laval
 
Quebec  
180NE Notre-Dame-de-la-Merci
 
Quebec  
180SW Heartwood Observatory
 
Ontario   A private observatory.
180SW Quinte West
 
Ontario  
183E Saint-Lin-Laurentides
 
Quebec  
183SW Campbellford
 
Ontario  
184E Observatoire Astronomique Jean-Marc-Richard
 
Quebec   Observatorie de le Club des Astronomes Amateurs de Laval
185SE Saranac Lake Observatory
 
New York   A private observatory near Saranac Lake.
185W Haliburton Scout Reserve
 
Ontario   A large scout camp centered around Lake Kennabi.
186E Saint-Remi
 
Quebec  
186SW Trenton
 
Ontario  
186SW West Lake
 
Ontario   Forecast also covers Sandbanks Provincial Park.
186W Anstruther Lake Observatory
 
Ontario   A private Observatory.
187E Altona Observatory
 
New York   A private observatory near Altona.
187N Reserve Faunique La Verendrye
 
Quebec   Centered on an airstrip in the reserve. Used by the .
188E Terrebonne
 
Quebec  
188SW FvH Observatory
 
Ontario   A private observatory in Trenton.
189E Montréal
 
Quebec   Emplacement du SRAC Centre de Montréal et la Société d'Astronomie de Montréal.
189E Montreal
 
Quebec   Home of the I. K. Williamson Observatory of the RASC Montreal Centre and La société d'astronomie de Montréal.
189SW Point Petre
 
Ontario   A spot at the end of end of Simpson Road used by some RASC Kingston members for Mars observing.
189W Rock Lake
 
Ontario   A campground in Algonquin Provincial Park.
190E Mascouche
 
Quebec  
190E Observatoire du Geai Bleu
 
Quebec   Observatoire privé.
190E Sainte-Catherine
 
Quebec  
191E SAPM à Hemmingford
 
Quebec   Site d'observation de la Société d'Astronomie de Planétarium de Montréal
192E Planétarium Rio Tinto Alcan de Montréal
 
Quebec   Planétarium de espace pour la vie Montréal
192NE Observatoire North Point
 
Quebec   Un observatoire privé près de Rawdon
193E Candiac
 
Quebec  
193N Le Domaine
 
Quebec   Un domaine grande ouverte au milieu de la Reserverve Laverendrie.
194SE Long Lake
 
New York   Home of Penguin Rock Observatory.
194W Mount Mould Observatory
 
Ontario   A private observatory near Gooderham. Also known as MMO.
195E Longueuil
 
Quebec  
195W Buckhorn Observatory
 
Ontario   An observatory near Buckhorn.
196E La Prairie
 
Quebec  
196NE Rouge Matawin
 
Quebec   Une Réserve faunique.
196SW Camp Kawartha
 
Ontario   A non-profit camp for kids and adults.
197SE Rand Observatory II
 
New York   MPC W71. A private observatory in Lake Placid.
198SE Old Forge
 
New York  
199W Mew Lake Campground
 
Ontario   A campground in Algonquin Provincial Park.Home to the Algonquin Adventure, a star party of the RASC Toronto Centre.
200W Haliburton County
 
Ontario  
201NE Observatoire du Lac Rouge
 
Quebec   Observatoire à Saint-Alphonse-Rodriguez.
202E Parc de la Frayère
 
Quebec  
202SW Sandy Flats Observatory
 
Ontario   A private observatory near Roseneath.
203E Varennes
 
Quebec  
203W Haliburton Forest Observatory
 
Ontario   An in a privately owned forest.
204E Observatoire de l'Agence Spatiale Canadienne
 
Quebec   Observatoire du ASC - CSA à Saint-Hubert.
204E Repentigny
 
Quebec  
204SW Lakehenge Observatory
 
Ontario   A private observatory.
206E L'Assomption
 
Quebec  
206SW Lorenz Observatory
 
Ontario   A site of the North York Astronomical Association near Cobourg.
207N W. Armitage Memorial Dark Sky Site
 
Quebec   Not a specific site, but the general area around three camps: Grand Poigan, Rapide de la Gorge and Petit Poigan.
208E Sainte-Julie
 
Quebec  
208SE Au Sable Forks Observatory
 
New York   A private observatory in Au Sable Forks.
211E Chambly
 
Quebec  
211S B & P Myers Observatory
 
New York   A private observatory near West Leyden.
211SE Keene
 
New York  
211SE Lake Harris Campground
 
New York   Campground on the shore of Lake Harris.
212E Plattsburgh
 
New York   A town in Clinton county.
212E Saint-Basile-le-Grand
 
Quebec  
213E St-Jean-Sur-Richelieu
 
Quebec  
213SE Norton Cemetery
 
New York   A public cemetary. Site of impromptu public stargazing held by a small group of amateur astronomers. In Keene.
213SE 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.
214E Joliette
 
Quebec  
215NE Observatoire de la Montagne Coupée
 
Quebec   Observatoire de Les Vagabonds du ciel de Lanaudière Inc. et la Auberge de la Montagne Coupee. En Lanaudière.
215SE Holt Rd. Observatory
 
New York   A private observatory in Keene Valley.
216NE Saint-Michel-des-Saints
 
Quebec  
216NE Saint-Zénon
 
Quebec   Near St-Louis Lake.
216SW Peterborough
 
Ontario   Home of the Peterborough Astronomical Association
218N Camping Portage (Laverendrie)
 
Quebec   Un site dans la Reserverve Laverendrie.
218W Highlands Wilderness Observatory
 
Ontario   An observatory in Minden Hills.
219E Beloeil
 
Quebec   Maison du Club d'astronomie de Beloeil
219E Orchard Hill Observatory
 
Vermont   A private observatory near South Alburg.
219E Otterburn Park
 
Quebec  
221E Mont-Saint-Hilaire
 
Quebec  
221E Marieville
 
Quebec  
221NE Observatoire de la Pourvoirie St-Zénon
 
Quebec   Observatoire astronomique public de la région de Lanaudière.
221S Black Forest
 
New York   In Adirondack Park. Along the Black River between North Wilmurt and Atwell.
221SW WhistleStop Observatory
 
Ontario   A private observatory.
222E Contrecoeur
 
Quebec  
222E Rang St-Joachim
 
Quebec   Pres de St-Alexandre-D'Iberville.
223E Just a Camp Observatory
 
Vermont   A private observatory near Keeler Bay.
226E Mont St-Alex
 
Quebec   Site d'observatoires privés. Près de Saint-Alexandre.
226NE Lac Chantier
 
Quebec  
226NE ZEC des Nymphes
 
Quebec   Une zone d'exploitation contrôlée
229W Oxtongue Lake
 
Ontario  
230SW Cobourg
 
Ontario  
231E Georgia Shore Observatory
 
Vermont   A private observatory by the shore of Lake Champlain.
231NE Observatoire POLARIS
 
Quebec   Près de Mandeville
231SE Adirondack Astronomy Retreat
 
New York   A star party held at Twin Valleys Camp, near Lewis. Home of SUNY Plattsburgh's David H. Levy Observatory.
232S Fair Haven
 
New York   A town in Cayuga county.
234E Tracy
 
Quebec  
235W Fenelon Falls
 
Ontario  
236E St Albans City
 
Vermont  
236SE The Observatory at Tangleroot Farm
 
New York   A private observatory of a member of the Adirondack Skywatchers and the Salem Astronomical Society.
237NW Mattawa
 
Ontario  
238W Lake of Bays
 
Ontario  
239SE Burlington
 
Vermont   A town in Chittenden county.
239SW Millbrook
 
Ontario  
239W Clearing off Thompson Road
 
Ontario   A clearing off Thompson road off of HYW 118. Private property. Use with permission.
240E CAAL Farnham
 
Quebec   Site d'observation de la Club des Astronomes de Longueuil. Près de Farnham.
241E Holcomb Observatory
 
Vermont   An observatory of Saint Michael's College in Colchester.
241E Observatoire Magenta
 
Quebec   Un observatoire privé. Près de Farnham.
241E Saint-Hyacinthe
 
Quebec   Maison du Club d'astronomie maskoutain.
241S Supernova Observatory
 
New York   A private observatory near Floyd.
242SW Kawartha Observatory
 
Ontario   A private observatory in Lindsay.
243SE Morehouse Lake Observatory
 
New York   A private observatory near Hoffmeister.
243SE Schroon Lake
 
New York   A town and lake in Essex county.
248NW Canadian Ecology Centre Observatory
 
Ontario   Observatory of the Canadian Ecology Centre. In Samuel de Champlain Provincial Park
249E Saint-Hugues
 
Quebec   Centré sur le Parc de la Seigneurie-de-Ramezay à Saint-Hugues.
249S Liverpool
 
New York  
250S CNYAC Observatory
 
New York   Observatory of the Central New York Astronomy Club.
252NE Lac Sacacomie
 
Quebec   Site des Soirée d'animation en astronomie aux Hôtel Sacacomie.
252SW DRAACO
 
Ontario   Durham Region Astronomical Association Centre for Observing. Home of the DRAA.
252W Huntsville
 
Ontario  
253E Observatoire Vandal
 
Quebec   Observatoire situé à Sainte-Cécile de Milton.
254E Cowansville
 
Quebec  
254E Enosburg Falls
 
Vermont  
254E Granby
 
Quebec  
255S Syracuse
 
New York   Home of the Syracuse Astronomy Society.
256SE Green Mountain Observatory
 
Vermont   Observatory of the Vermont Astronomical Society. Near Hinesburg.
257NE Louiseville
 
Quebec  
258E Site d'observation Chemin Jordan
 
Quebec   Un site d'observation privé.
258S Peters Observatory
 
New York   Observatory of Hamilton College. In Clinton.
258SW Webster Park
 
New York   A park in Monroe County, NY.
259SE MT Scopehead Observatory
 
Vermont   A private observatory near Richmond.
259SW Baetsen Observatory
 
Ontario   A private observatory near Orono.
259SW Newcastle Observatory
 
Ontario   A private observatory in Newcastle.
260E Canton de Shefford
 
Quebec   Site d'observation de Martin, près de Granby/Bromont
260E St-Valérien-de-Milton
 
Quebec   Un endroit de La société d'astronomie de Montréal.
260SW Long Sault Conservation Area
 
Ontario   A site used by the RASC Toronto centre. North of Bowmanville.
261E 3 Herons Observatory
 
Vermont   A private observatory near Cambridge Junction.
262S MVAS Observatory
 
New York   An observatory of the Mohawk Valley Astronomical Society
262W Bracebridge
 
Ontario  
262W Sandy Cove
 
Ontario   At the north-east end of Three Mile Lake. Near Burk Falls.
265E Sutton
 
Quebec  
265S Baltimore Woods Nature Center
 
New York   Nature Center and site of star parties.
265S Lyons
 
New York  
266SE McCardell Bicentennial Hall at Middlebury College
 
Vermont   Home of Mittelman Observatory of Middlebury College. In Middlebury.
267E Girard Observatory
 
Quebec   A private observatory near West Brome.
267NE St-Élie-de-Caxton
 
Quebec   Club d'astronomie Jupiter
268W Gambridge Go-Karts
 
Ontario   A go cart track near Gambebridge Beach.
268W Lagoon City
 
Ontario  
268W Muskoka District Municipality
 
Ontario  
269W Burk's Falls
 
Ontario  
269W Gravenhurst
 
Ontario  
270E ObservÉtoiles
 
Quebec   Planetarium a ciel ouvert avec réalité augmentée. Situé au Au Diable Vert, une réserve de ciel noir reconnue par le RASC. Glen Sutton, QC.
270SE Blue Heron Cove Observatory
 
New York   A private observatory.
270SW Hamlin Beach State Park
 
New York   State Park on the south shore of Lake Ontario.
270SW Port Perry Astronomical Observatory
 
Ontario   link
271SE Bolton Landing
 
New York   On Lake George, NY.
271SE Quarry Road Observatory
 
Vermont   A private observatory.
271SE 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.
271SW Port Perry
 
Ontario  
272S Waterville Public Libarary
 
New York   Library in Waterville. A site used by the Mohawk Valley Astronomical Society (MVAS).
273NE Saint-Thomas-de-Caxton
 
Quebec   Site d'observation du Club d'Astronomie Jupiter.
273SW Dark Arts Observatory
 
New York   A private observatory.
274S Timerson Observatory
 
New York   A private observatory near Newark.
275SW 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).
276SW Camp Samac
 
Ontario   A scout camp near Oshawa.
277E Observatoire de Ste-Christine
 
Quebec   Près de Ste-Christine.
277W Munro Park
 
Ontario   A campground near Powassan. Home of the Frozen Banana Star Party.
278SE North Branch School
 
Vermont  
278SW Oshawa
 
Ontario  
279E Drummondville
 
Quebec   Emplacement du Club d'Astronomie Drummondville
280E Nicolet
 
Quebec  
280NE Parc Canadian de la Mauricie
 
Quebec  
280S Finger Lakes Regional Airport
 
New York   Also covers the north-central portion of the Finger Lakes area.
280SW Ashburn Astronomical Observatory
 
Ontario   In Ashburn.
280W Torrance Barrens Dark-Sky Preserve
 
Ontario   A Dark-Sky Preserve. Near Gravenhurst and Lake Muskoka.
281E Site d'observation de Charles Desjardins
 
Quebec   Site d'observation du Club des Astronomes Amateurs de Sherbrooke
281E Grout Observatory
 
Vermont   Public observatory at Peoples Academy.
281E Starlifter Observatory
 
Vermont   A private observatory.
282S Darling Hill Observatory
 
New York   Obsevatory of the Syracuse Astronomical Society. Near Tully.
282S Foggy Bottom Observatory
 
New York   Observatory of Colgate University in Hamilton.
282SE West Haven Pass Observatory
 
Vermont   A private observatory near West Haven.
282W Orillia
 
Ontario   Home of the Orillia Stars astronomy club.
282W Port Carling
 
Ontario  
283E Saint-Nicephore
 
Quebec  
283SW Whitby
 
Ontario  
284NE Mauricie
 
Quebec  
284SW Brockport State Observatory
 
New York   An observatory on the campus of SUNY Brockport.
285SE Dad's Nest
 
New York   A private observing site near Mayfield.
286NE Shawinigan
 
Quebec  
286S Angel Light Observatory
 
New York   A private observatory near DeRuyter.
286S The Smith Observatory
 
New York   Historic observatory in Geneva.
286W Nelsons Bay Observatory
 
Ontario   A private observatory on Deer Lake near South River.
287E Observatoire de L'Avenir
 
Quebec  
287NE Lac des Piles
 
Quebec  
288S Richard S. Perkin Observatory
 
New York   A private observatory of Hobart and William Smith Colleges.
288SW CAMSAT Observatory
 
Ontario   A private observatory near Oshawa.
289E Rue Lambert
 
Quebec   Au bout de la rue Lambert. Près de Eastman.
289NE Trois-Rivières
 
Quebec   Club d'astronomie Jupiter
290NW North Bay
 
Ontario   Home of the North Bay Astronomy Club.
290W Foxmead Observatory
 
Ontario   A private observatory near Coldwater.
290W UpUp Observatory
 
Ontario   A private observatory on Hiraeth Island, Lost Channel near Severn Falls.
291SW Ajax
 
Ontario  
291W Taigh nan Reul
 
Ontario   Scottish Gaelec for "House of Stars". A private observatory.
292SW Goodwood
 
Ontario   Near Uxbridge.
293E Parc National du Mont-Orford
 
Quebec   link
293SE Glens Falls
 
New York  
294SW Churchill Chimes Equestrian Center
 
Ontario   Riding school near the Goodwood Conservation Area.
294SW 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.
295SE Fort Falstaff Observatory
 
Vermont   Near Montpelier.
296SW Mount Albert Lion's Club
 
Ontario   Near Mount Albert.
296SW Pickering
 
Ontario  
297W Delta Rocky Crest Resort
 
Ontario   A resort near Mactier.
298NE Becancour
 
Quebec  
299SW Island Grove Observatory.
 
Ontario   Near Keswick on southernmost Lake Simcoe.
299SW Bay Ridges Observatory
 
Ontario   A private obseratory in Pickering.
300W Black Skies Observatory
 
Ontario   A private observatory near Waubaushene.


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