Clear Sky Chart

Charts within 300Km of the B. Williams Mem. Observatory clear sky chart

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0 B. Williams Mem. Observatory
 
Ontario   A private observatory near New Tecumseth.
9W R2 Observatory
 
Ontario   Private observing site of the Phd Astro group.
10S Og's Bog
 
Ontario   A site of the North York Astronomical Association near Schomberg.
15NW Alliston
 
Ontario  
16SW Palgrave Conservation Area
 
Ontario   Site of the EfstonScience Cosmic Connections Observing Sessions. 10km north of Bolton.
17NW 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).
17S Cold Creek Conservation Area
 
Ontario   Conservation area used as an observing site by the York Simcoe Amateur Astronomers Club.
18W Willowbrook Observatory
 
Ontario   Near Alliston
20S Bolton
 
Ontario  
21SW ROBOsky.com Wild Flower Ridge Observatory
 
Ontario   An internet-accessible robotic-observatory farm, by ROBOsky.com, located in the Hockley Highlands near Orangeville.
23E Newmarket
 
Ontario   Home of the York Simcoe Amateur Astronomers Club.
24NE Churchill
 
Ontario   A town south of Barrie.
25N Camp Saulaine
 
Ontario   Between Angus and Barrie.
27NW Pine River Observatory
 
Ontario   A private observatory.
27SW Caledon
 
Ontario  
30NE Bartole Observing Platform
 
Ontario   A private observatory somewhere around Cook's Bay.
30NE Island Grove Observatory.
 
Ontario   Near Keswick on southernmost Lake Simcoe.
31SE Richmond Hill
 
Ontario  
31SE Vaughan
 
Ontario  
32E Woodland Trails
 
Ontario   A scout camp near Aurora.
32NE Innisfil
 
Ontario   A town in Simcoe County.
33S Woodbridge
 
Ontario  
33SW Orangeville
 
Ontario  
34E Mount Albert Lion's Club
 
Ontario   Near Mount Albert.
34SE David Dunlap Observatory
 
Ontario   Historic Observatory in Richmond Hill.
35SW Forks of the Credit
 
Ontario   A provincial park used by the Toronto RASC as a dark-sky site.
37N Barrie
 
Ontario  
37SE Betelgeuse Bar & Grill
 
Ontario   P.Mortfield's private observatory.
37SE York University Observatory
 
Ontario   AKA Allan I. Carswell Observatory. Observatory, of York University, with public observing.
37W Shelburne
 
Ontario  
39S Brampton BrightSkies Observatory
 
Ontario   A private observatory in Brampton.
39SE Markham
 
Ontario  
40NW Grey Highland Skies Observatory
 
Ontario   A private observatory near Dundalk.
41SE KW Observatory
 
Ontario   A private obsrevatory near Thornhill.
42S Brampton
 
Ontario  
43E Goodwood
 
Ontario   Near Uxbridge.
44E Churchill Chimes Equestrian Center
 
Ontario   Riding school near the Goodwood Conservation Area.
46S Lloyd Manor Park
 
Ontario   A park in Etobicoke (west Toronto), used by the the 433rd Toronto Scouts..
48S Fred's Backyard Observatory
 
Ontario   A private observatory in Etobicoke.
49SE Kendrick Astro Observatory
 
Ontario   A private observatory in Toronto.
50S Minakakis Observatory
 
Ontario   A private observatory near Halton Hills.
51SW Halton Hills
 
Ontario  
51W Colbeck Observatory
 
Ontario   A private observatory near Colbeck.
52SE Toronto
 
Ontario   Home of the Toronto RASC, University of Toronto Atmospheric Observatory (TAO) and the Ontario Science Center.
53W Dundalk
 
Ontario  
55S Mississauga
 
Ontario   Home of the RASC Mississauga Centre. Forecast also covers the Riverwood Star Party held by the RASC Mississauga Centre.
55SE Scarborough
 
Ontario   A home of the University of Toronto Scarborough..
55SE Salvador Observatory
 
Ontario   A private observatory somewhere around Pickering.
55SE Toronto Islands
 
Ontario  
57SE Bay Ridges Observatory
 
Ontario   A private obseratory in Pickering.
57SW Blue Springs Camp
 
Ontario   A scout camp near Acton.
58SE Pickering
 
Ontario  
59E CAMSAT Observatory
 
Ontario   A private observatory near Oshawa.
60E Ashburn Astronomical Observatory
 
Ontario   In Ashburn.
61N Tiny Marsh Provincial Wildlife Area
 
Ontario   Centered on the trailhead of Tiny Marsh Provincial Wildlife Area. Near Elmvale, in Tiny Township.
62E Ajax
 
Ontario  
62NW Collingwood
 
Ontario  
62S Milton
 
Ontario  
63E Port Perry
 
Ontario  
64E Port Perry Astronomical Observatory
 
Ontario   link
65NE Gambridge Go-Karts
 
Ontario   A go cart track near Gambebridge Beach.
65SW Fergus
 
Ontario  
66E Whitby
 
Ontario  
66N Orillia
 
Ontario   Home of the Orillia Stars astronomy club.
66S Oakville
 
Ontario  
68NE Lagoon City
 
Ontario  
69E Camp Samac
 
Ontario   A scout camp near Oshawa.
70NW Carr Astronomical Observatory
 
Ontario   Observatory of the Toronto RASC. Near Collingwood
70SW Brundish Observatory
 
Ontario   A private observatory near Guelph.
70SW Guelph
 
Ontario   Home of the University of Guelph Astronomy Club (possibly out of date).
72E Oshawa
 
Ontario  
72SW Astrodoc's Doghouse Observatory
 
Ontario   A private observatory near Guelph.
73NW Sideroad 10D
 
Ontario   A spot on Sideroad 10D, in Grey county.
73S Mount Nemo Observatory
 
Ontario   A private observatory.
74NW Beaver River Observatory
 
Ontario   A private obsrevatory somewhere in the Grey Highlands.
76N Foxmead Observatory
 
Ontario   A private observatory near Coldwater.
76S Hamilton Centre Observatory
 
Ontario   Near Waterdown. Observatory of the Hamilton RASC
77N Black Skies Observatory
 
Ontario   A private observatory near Waubaushene.
77N Midland
 
Ontario  
77W The Glenelg Observatory
 
Ontario   A private observatory near Durham.
80E Long Sault Conservation Area
 
Ontario   A site used by the RASC Toronto centre. North of Bowmanville.
80W Mount Forest
 
Ontario  
82S Burlington
 
Ontario  
83NW Lora Bay
 
Ontario  
86NE Kawartha Observatory
 
Ontario   A private observatory in Lindsay.
87W Durham
 
Ontario  
88W Starfest
 
Ontario   A starparty held near Mount Forest.
89SW Cambridge
 
Ontario  
90E Baetsen Observatory
 
Ontario   A private observatory near Orono.
90SW Conestogo Lake
 
Ontario   Used by the RASC Kiitchener-Waterloo Centre.
91S Hamilton
 
Ontario   Home of the HAA and the RASC Hamilton Centre.
91SW Kitchener-Waterloo
 
Ontario   Home of the RASC Kitchener-Waterloo Centre.
92NW Chimnissing
 
Ontario   Centered on the West Beach of Chimnissing. On Christian Island in Georgian Bay.
94E Newcastle Observatory
 
Ontario   A private observatory in Newcastle.
94N UpUp Observatory
 
Ontario   A private observatory on Hiraeth Island, Lost Channel near Severn Falls.
94NE Fenelon Falls
 
Ontario  
94W Dornoch
 
Ontario  
95E DRAACO
 
Ontario   Durham Region Astronomical Association Centre for Observing. Home of the DRAA.
96S VSO
 
Ontario   AKA Very Small Obsrevatory. A private observatory near Ancaster.
97S GEM 'N I Dobservatory
 
Ontario   A private observatory in Grimsby.
99N Torrance Barrens Dark-Sky Preserve
 
Ontario   A Dark-Sky Preserve. Near Gravenhurst and Lake Muskoka.
99S Weather and Sky Observatory
 
Ontario   A private observatory near Grimbsby.
99SW 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.
100E Millbrook
 
Ontario  
100N Gravenhurst
 
Ontario  
102S Beamsville
 
Ontario  
102W North Perth
 
Ontario  
105S Lincoln
 
Ontario  
105S Vineland
 
Ontario  
105SE Niagara
 
Ontario   Also known as Niagara-on-the-Lake. Home of the RASC Niagara Centre.
107S HAA Dark Sky Site
 
Ontario   Not a public Site. An observing site of the Hamilton Amateur Astronomers (HAA) for members' use.
108N Taigh nan Reul
 
Ontario   Scottish Gaelec for "House of Stars". A private observatory.
108S St Catharines
 
Ontario  
108SW New Hamburg Observatory
 
Ontario   A private observatory.
109N Pine Islands
 
Ontario   In Georgian Bay half way between Parry Sound and Honey Harbour.
109SW CMiller Observatory
 
Ontario   Near Brantford.
111NW Owen Sound
 
Ontario   Home of the Bluewater Astronomical Society.
112SW Brantford
 
Ontario  
113N Bracebridge
 
Ontario  
113SE Firemen's Park
 
Ontario   Used by the RASC Niagara Centre for monthly public observing nights.
113W Walkerton
 
Ontario  
115SW Spring Hill School Observatory
 
Ontario   A private observatory at the site of a former school. Near Drumbo Blandford-Blenheim.
116E Peterborough
 
Ontario   Home of the Peterborough Astronomical Association
117SE Eyeline Observatory
 
New York   A private observatory in Ransomville.
117SW 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.
118N Port Carling
 
Ontario  
119NE Highlands Wilderness Observatory
 
Ontario   An observatory in Minden Hills.
120NE Clearing off Thompson Road
 
Ontario   A clearing off Thompson road off of HYW 118. Private property. Use with permission.
120S Niagara Centre Observatory
 
Ontario   An observatory of the RASC Niagara Centre. Located at the Chippawa Creek Conservation Area.
120SE Niagara Falls
 
Ontario  
121SE Niagara Falls
 
New York  
122S The Blue Marble Observatory
 
Ontario   A private observatory.
122SW CMOR
 
Ontario   The Canadian Meteor Orbit Radar. A meteor research station of the University of Western Ontario. Near Tavistock.
124S Cayuga
 
Ontario  
125NW 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.
125S Welland
 
Ontario  
126E Cobourg
 
Ontario  
127N Muskoka District Municipality
 
Ontario  
127NW Allenford Observatory
 
Ontario   A private observatory near Allenford.
127S Haldimand
 
Ontario  
127SW Stratford
 
Ontario   Home of the Stratford Astronomy Group.
128W Wingham
 
Ontario  
129SE Tobey Memorial Observatory
 
New York   A private observatory.
130N Delta Rocky Crest Resort
 
Ontario   A resort near Mactier.
131SE Elliott-Astronomy Observatory
 
New York   A public observatory.
131W Hiddenwell Observatory
 
Ontario  
132SW Woodstock
 
Ontario  
133NE Camp Kawartha
 
Ontario   A non-profit camp for kids and adults.
134NE Buckhorn Observatory
 
Ontario   An observatory near Buckhorn.
135NW Wiarton
 
Ontario  
137NW South Bruce Peninsula
 
Ontario  
137S Port Colborne
 
Ontario  
137SW Embro Observatory
 
Ontario   A private observatory near Embro.
137W Port Elgin
 
Ontario   Home of the Bluewater Astronomical Society (formerly the Bruce County Astronomical Society).
138SE DaVinci Observatory
 
New York   A private observatory near Lockport.
139E WhistleStop Observatory
 
Ontario   A private observatory.
139SE Marshall Hill Observatory
 
New York   A private observatory in Medina.
140E Sandy Flats Observatory
 
Ontario   A private observatory near Roseneath.
140S Blue Braille Observatory
 
Ontario   A private observatory.
141E Lorenz Observatory
 
Ontario   A site of the North York Astronomical Association near Cobourg.
141NE Lake of Bays
 
Ontario  
141NW 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.
141SE Observatory on the Ridge
 
Ontario   A private observatory near Ridgeway.
142NE Mount Mould Observatory
 
Ontario   A private observatory near Gooderham. Also known as MMO.
143SE Fort Erie
 
Ontario  
144NE Anstruther Lake Observatory
 
Ontario   A private Observatory.
144S Simcoe
 
Ontario   Home of the North Shore Erie Amateur Astronomers.
144SW SkyShed Observatories
 
Ontario   A manufacturer of observatories
145N Parry Sound
 
Ontario  
145SE Fort Erie Observatory
 
Ontario   A private observatory near Fort Erie.
146N Huntsville
 
Ontario  
146NE Haliburton County
 
Ontario  
147S Port Dover
 
Ontario  
147SE Kellogg Observatory
 
New York   Observatory of the Buffalo Museum of Science in Buffalo.
147SW Pictor Observatory
 
Ontario   A private observatory near Ingersoll.
148SE Buffalo
 
New York   Home of the Buffalo Astronomical Association.
148SW Delhi (ON)
 
Ontario  
151S Norfolk County
 
Ontario  
152NE Apsley
 
Ontario  
152W Kincardine
 
Ontario  
155SW Tillsonburg
 
Ontario   Aka Tilsonburg.
157E Campbellford
 
Ontario  
157E Lakehenge Observatory
 
Ontario   A private observatory.
158NE Haliburton Forest Observatory
 
Ontario   An in a privately owned forest.
158NE Oak Lake Observatory
 
Ontario   A private observatory.
158NE Oxtongue Lake
 
Ontario  
158NW 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.
158NW Quetican Observatory
 
Ontario   Near Lion's Head.
159NW Ponte di Legno Observatory
 
Ontario   A private observatory somewhere around Ferndale.
159W Camp Kintail
 
Ontario   A public camp used by the RASC Kitchener Centre.
160NE Haliburton Scout Reserve
 
Ontario   A large scout camp centered around Lake Kennabi.
160W Point Clark
 
Ontario  
161S Long Point Observatory
 
Ontario   A commercial observatory, open to the public. Near Port Dover.
162W Goderich
 
Ontario  
163NE Silent Lake
 
Ontario   Provincial Park
163SE Hamlin Beach State Park
 
New York   State Park on the south shore of Lake Ontario.
164SW Elginfield Observatory
 
Ontario   Observatory of the University of Western Ontario(UWO).
166SE Armour Observatory
 
New York   A private observatory.
167W 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.
168E Heartwood Observatory
 
Ontario   A private observatory.
168S Kitters Angola Observatory
 
New York   A private observatory affiliated with the Buffalo Astronomical Association and South West Florida Astronomical Society.
169NW Blue Heron Observatory
 
Ontario   A private observatory in Greenough Harbour, outside of Stokes Bay Ontario, on the Northern Bruce Peninsula.
169SW Purple Crow Lidar Facility
 
Ontario   Laser radar located at the Environmental Sciences Western Field Station of Western University.
170E Marmora
 
Ontario  
171E FvH Observatory
 
Ontario   A private observatory in Trenton.
171E Mason Bald Observatory
 
Ontario   A private observatory in Frankford.
171SE Brockport State Observatory
 
New York   An observatory on the campus of SUNY Brockport.
171SW Hume Cronyn Observatory
 
Ontario   A observatory run by the Department of Physics and Astronomy of the University of Western Ontario.
171SW London
 
Ontario   Home of the RASC London Centre.
172E Quinte West
 
Ontario  
172E Trenton
 
Ontario  
173SE Transit Dreams North
 
New York   A private observatory.
174E Stirling-Rawdon
 
Ontario  
174N Sandy Cove
 
Ontario   At the north-east end of Three Mile Lake. Near Burk Falls.
174S Long Point Provincial Park
 
Ontario   Provincial Park on lake Erie.
175N Burk's Falls
 
Ontario  
175N Pte. au Baril
 
Ontario   On Georgian Bay.
175NE Loon Call Observatory
 
Ontario   A private observatory near Coe Hill.
175NW Miller Lake
 
Ontario   Forecast covers Summer House Park and Miller's Family Camp both sites of star parties held by the Bayside Astronomy Program
176SE Dark Arts Observatory
 
New York   A private observatory.
177N Dunchurch
 
Ontario  
177NW Four Elements Observatory
 
Ontario   A private observatory.
178SE Orbit Jet Observatory
 
New York   An observatory near Colden.
179NW 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.
179SW G-2 Farms Observatory
 
Ontario   A private observatory.
180SW Port Burwell Provincial Park
 
Ontario   Provincial park.
180SW Springwater Conservation Area
 
Ontario   link
182NE Old Hastings Observatory
 
Ontario   A private observatory.
182S Fredonia Observatory
 
New York   Observatory of Fredonia State University of New York.
183SW Weymouth Pines Observatory
 
Ontario   A private observatory near Middlesex Centre.
185E Ivanhoe Observatory
 
Ontario   A private observatory near Ivanhoe.
185NW Johnston's Harbour
 
Ontario  
185SW St. Thomas
 
Ontario  
186NE Bancroft
 
Ontario  
188E Belleville
 
Ontario   Home of the RASC Belleville Centre
190SE Beaver Meadow Observatory
 
New York   Observatory of the Buffalo Astronomical Association. Near North Java.
190SE Middlebury Observatory
 
New York   A private observatory.
192NW Dorcas Bay
 
Ontario   Location of the Singing Sands portion of Bruce Penninsula National Park. Also site of public astronomy events
193NE Mew Lake Campground
 
Ontario   A campground in Algonquin Provincial Park.Home to the Algonquin Adventure, a star party of the RASC Toronto Centre.
193NE Rock Lake
 
Ontario   A campground in Algonquin Provincial Park.
195NE Lake St. Peter Provincial Park
 
Ontario   Provincial Park near Bancroft.
195SW Lambton Shores
 
Ontario  
196N Nelsons Bay Observatory
 
Ontario   A private observatory on Deer Lake near South River.
196SW Port Franks
 
Ontario  
196SW Strathroy
 
Ontario  
197E West Lake
 
Ontario   Forecast also covers Sandbanks Provincial Park.
198SE 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).
199NE Four Corners Algonquin Observatory
 
Ontario  
200SW Fingal Wildlife Centre
 
Ontario   FWC is a site used by the London RASC
202N WBI/Britt
 
Ontario   A radar station. And site of informal star parties.
202NW Tobermory
 
Ontario  
205SE Webster Park
 
New York   A park in Monroe County, NY.
208E Picton
 
Ontario  
208E Oak Hills
 
Ontario   A private observing site in Popow Ranch
208SE Lime Lake
 
New York   A lake near Machias.
209NE McCauley Lake Observatory
 
Ontario   A private observatory.
210E Point Petre
 
Ontario   A spot at the end of end of Simpson Road used by some RASC Kingston members for Mars observing.
210NE Four Corners Madawaska Observatory
 
Ontario  
213S Long Point on Lake Chautauqua
 
New York   A state park on Chautauqua Lake. Used by the Southern Tier Astronomy Recreation Society (STARS) .
216E Lennox and Addington Dark Sky Viewing Area
 
Ontario   A public and official dark-sky observing site of Lennox and Addington county.
216NW 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.
217S Erie
 
Pennsylvania   Home of the Mehalso Observatory of Penn State Erie.
217SE Ellicottville Observatory
 
New York   A private observatory near Ellicottville.
218E Fall 'N' Stars
 
Ontario   A star party held by the Belleville and Kingston RASC centres at Johnson's R.V. PARK.
218E Kaladar
 
Ontario  
220SE 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.
222E Greater Napanee
 
Ontario  
222N Munro Park
 
Ontario   A campground near Powassan. Home of the Frozen Banana Star Party.
223N Restoule Provincial Park
 
Ontario   Provincial park and home of the Gateway to the Universe star party held by the North Bay Astronomy Club.
223NE Marble Lake Observatory
 
Ontario   A private observatory near Cloyne.
223NE 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.
223S Jamestown
 
New York  
224S Mitchell Observatory
 
Pennsylvania   A private observatory.
224SE Starry Knoll
 
New York   A private observing site. A few miles from Houghton.
224SW Big Bend Observatory
 
Ontario   A private observatory of a member of the RASC London Centre.
227NE Barry's Bay
 
Ontario  
228E Prinyer's Cove
 
Ontario   In Prince Edward County.
229SW Rodney
 
Ontario  
231NW 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.
233E Arden
 
Ontario  
234E Camden Lake
 
Ontario   A public wildlife area used by the Kingston RASC.
234S Evergreen Observatory
 
Pennsylvania   A private observatory in Girard Township.
235S Martz-Kohl Observatory
 
New York   Near Jamestown. Observatory of the Martz Astronomical Association
235W Delaware Park
 
Michigan   County park of Sanilac County.
236S Eureka Observatory
 
Pennsylvania   A private observatory.
238NE Quadeville Road
 
Ontario   A spot along Quadeville road near Wolfe.
238SE Ossian Observatory
 
New York   A private ovservatory in Ossian.
240E Starlight Cascade Observatory
 
Ontario   A private observatory near Yarker.
240SW Oakdale
 
Ontario  
241NE 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.
242NE Split Rock Observatory
 
Ontario   A private observatory near Ardoch.
242SE C.E.K. Mees Observatory
 
New York   Observatory of the University of Rochester. Near Hornell.
242SE Timerson Observatory
 
New York   A private observatory near Newark.
244S Conneaut
 
Ohio   Also covers Ashtabula.
244S Old LeBoeuf Cemetery
 
Pennsylvania   A site of the Erie County Mobile Observers Group. Near Mill Village.
245NE Foymount
 
Ontario   A site used by the OAOG.
245NW South Baymouth
 
Ontario   On Manitoulin Island.
245SE M & T Observatory
 
New York   A private observatory near Olean.
246NE Bonnechere Provincial Park
 
Ontario   Provincial park on Round lake. (Note: Nearby Bonnechere airstrip is nolonger accessable for observing.)
246S Edinboro University Planetarium and Observatory.
 
Pennsylvania   Observatory and planetarium of Edinboro University.
247SW Sarnia
 
Ontario   Home of the RASC Sarnia Centre.
248NE Algonquin Radio Observatory
 
Ontario   Radio Observatory located in Algonquin Provincial Park.
248SE Lyons
 
New York  
249NE Teeples Hill
 
Ontario   Private property on Teeple Haley Road. Permission required.
250SW Green Ridge Observatory
 
Ontario   A private observatory near Ridgetown.
251N North Bay
 
Ontario   Home of the North Bay Astronomy Club.
251NW Manitoulin Eco Park
 
Ontario   A commercial park and dark sky preserve.
251S Warren
 
Pennsylvania   Home of the Warren County Amateur Astronomy Club.
252S GCC Observatory
 
Pennsylvania   Observatory of Grove City College
253E Sydenham
 
Ontario  
253NW Killarney Provincial Park Observatory
 
Ontario   Observatory at Killarney Provincial park.
254E Sharbot Lake
 
Ontario  
254NE Achray Campground
 
Ontario   Campground in the northeast part of Algonquin Park.
254NW Killarney
 
Ontario  
255E The Observatory on the Lake
 
Ontario   link
255SE Lone Pine Observatory
 
New York   A private observatory
256SE Stull Observatory
 
New York   Observatory at Alfred University. In Alfred.
256SW Black River Observatory
 
Michigan   A private observatory near Port Huron.
257SE The Smith Observatory
 
New York   Historic observatory in Geneva.
258E Fair Haven
 
New York   A town in Cayuga county.
258E Otter Lake Scout Camp
 
Ontario   A scout camp on Otter lake.
258N Burwash
 
Ontario   An observing site of the Greater Sudbury Amateur Astronomers.
258N Canadian Ecology Centre Observatory
 
Ontario   Observatory of the Canadian Ecology Centre. In Samuel de Champlain Provincial Park
259SW Rondeau Provincial Park
 
Ontario   A provincial park on Lake Erie, near Chatham.
260E Kingston
 
Ontario   Home of the RASC Kingston Centre and The Queen's Observatory of Queen's University.
260SE Richard S. Perkin Observatory
 
New York   A private observatory of Hobart and William Smith Colleges.
260W Lamoria Springs Observatory
 
Michigan   A private observatory in Sandusky.
261S "Way The Held Out" Observatory
 
Pennsylvania   A private observatory near Conneautville.
263NE Kennelly's Mountain
 
Ontario   Near Calabogie.
264N Mattawa
 
Ontario  
264SE Los Gatos B&B
 
New York   Bed and Breakfast with star parties. In Penn Yan.
265SE Highwinds Observatory
 
New York   A private observatory in Geneseo.
266W Port Crescent State Park
 
Michigan   State park
267S Higby Hill Observatory
 
Pennsylvania   A private observatory.
268S Hearts Content Scenic Area
 
Pennsylvania   A site used by the Southern Tier Astronomy Recreation Society(S.T.A.R.S).
268SW Kenockee Observatory
 
Michigan  
269E Cygnus Hill Observatory
 
Ontario   A private observatory near Maberly.
269E Chickadee Ridge Observatory
 
Ontario   A private observatory.
269NE K&P at Clyde Forks
 
Ontario   A spot along Clyde Forks road where it ends at the K&P trail.
270E Battersea Observatory
 
Ontario   A private observatory in Battersea.
270W Oak Beach Observatory
 
Michigan   A private observatory.
271E 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.
271S Meadville
 
Pennsylvania  
271SW Chatham
 
Ontario  
272SE Finger Lakes Regional Airport
 
New York   Also covers the north-central portion of the Finger Lakes area.
273S Dorset Wilderness Area
 
Ohio   Wilderness area open to the public.
273S Kinzua Bridge State Park Visitor's Center
 
Pennsylvania   Visitor Center of a state park. Near Mt Jewett.
274E Westport
 
Ontario  
274NE Black Creek Pond
 
Ontario   A small pond along Black Creek road in Lanark County.
274S Pettis Rd Observatory
 
Pennsylvania   A private observatory.
276SW Madison
 
Ohio  
276W Blue Moon Observatory
 
Michigan   A private observatory near Mussey.
277N Fisher's Paradise
 
Ontario   A campground used by some members of the North Bay Astronomy Club.
277NW Whitefish
 
Ontario  
277SE Port Allegany
 
Pennsylvania  
279NE Driftwood Provincial Park
 
Ontario   Provincial Park near Stonecliff, west of Deep River.
279W Beckstrom Observatory
 
Michigan   A private observatory near Deford.
280NE Pit Road
 
Ontario   A spot along Pit road (aka Mcguinty Rd) used by some Ottawa area observers. Near Osceola.
280S Starshine Farm Observatory
 
Pennsylvania   A private observatory near Wayne.
281NE Petawawa
 
Ontario  
282NE Petawawa Terrace Provincial Nature Reserve
 
Ontario   A nature preserve near Petawawa.
282NE Sunset Bay
 
Ontario   A private observatory on the SW end of White Lake, occaisonally used by some members of OAFs.
283SE Hebron Observatory
 
Pennsylvania   A private observatory somewhere around Hebron.
284E Black Lake Observatory
 
Ontario   A private observatory between Perth and Westport.
284N Doran Planetarium
 
Ontario   Planetarium of Laurentian University.
284NE Pembroke
 
Ontario  
284NE 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.
287E Gananoque
 
Ontario  
287E Whippoorwill Hill Observatory
 
Ontario   A private observatory.
287N Curiosity Observatory
 
Ontario   A private observatory.
287NE Deep River
 
Ontario   Home of the Deep River Astronomy Club.
287NE Renfrew
 
Ontario  
288SE Gold
 
Pennsylvania  
289S SkyWatch Observatory
 
Ohio   A private obseratory near Hartsgrove.
289SW New Haven
 
Michigan   In Macomb county.
289W Oscoda
 
Michigan  
290N 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.
290SW Sirius Observatory
 
Michigan   A private observatory near Almont.
291NW Espanola
 
Ontario  
292E Perth
 
Ontario  
294NE Zion Camp
 
Ontario   A site used by the OAOG. In Forester's Falls, about 10km from Cobden.
295E Dexter
 
New York  
295NE Coyote Observatory
 
Ontario   A private observatory near White Lake.
295SW Stargate Observatory
 
Michigan   Observatory of The Warren Astronomical Society. Located at Wolcott Mill Metropark.
296N Marten River Provincial Park
 
Ontario   Provincial park and star party site of the North Bay Astronomy Club.
296NE Bootland Farm
 
Ontario   A site use by the OAOG
296SW Tilbury
 
Ontario  
297NE Apple Orchard Observatory
 
Ontario   A private observing site
297NE Lookout Point
 
Ontario   A lookout on Lookout Road, in Westmeath.
297NW Gore Bay
 
Ontario  
297S 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.
298E Rideau Ferry Observatory
 
Ontario   A private observatory near Rideau Ferry.
298SW Lake St. Clair Metropark Observatory
 
Michigan   Future site of an observatory of Wayne State University located at Lake St. Clair Metropark.
299E Charleston Lake
 
Ontario   Provincial Park
300SE Baltimore Woods Nature Center
 
New York   Nature Center and site of star parties.


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