York University Observatory

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York University Observatory
The York University Observatory building
The York University Observatory building
Organization York University
Observatory code H79 Edit this on Wikidata
Location Toronto, Ontario, Canada
Coordinates 43°46′26″N 79°30′26″W / 43.7739°N 79.5073°W / 43.7739; -79.5073Coordinates: 43°46′26″N 79°30′26″W / 43.7739°N 79.5073°W / 43.7739; -79.5073
Altitude 196 metres (643 ft)
Established 1969 (1969)
Website York University Observatory
Telescope 1 0.6 m reflector
Telescope 2 0.4 m reflector
York University Observatory is located in Canada
York University Observatory
Location of York University Observatory
Commons page Related media on Wikimedia Commons

York University Observatory is an astronomical observatory owned and operated by York University. It is located in the North York district of Toronto, Ontario, Canada. Opened in 1969, York's observatory is opened to both researchers and amateur astronomers.

The observatory owns two telescopes housed in separate domes: a 40 cm (16 in) Schmidt–Cassegrain telescope made by Meade Instruments, and a 60 cm (24 in) Cassegrain reflector. Other smaller portable telescopes are available for visitor use. Telescopes 1 and 2 are located at the main building at Petrie, and the remainder at Arboretum Observing Facility on the roof of the Arboretum Parking Garage.

The observatory is open to the public every Wednesday evening, and also hosts public viewing sessions for special events, such as Astronomy Day in 2006, Earth Hour and Science Rendezvous in 2008. There is no admission cost to visit the observatory.

Like the David Dunlap Observatory, York's location is subject to nearby light pollution. York is located away from residential neighbourhoods, but it is still subject to lights on campus and the surrounding business at the Keele location.


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