David Dunlap Observatory Tour (Richmond Hill, Ontario). Feb 5 2011.
The Royal Astronomy Society of Canada (RASC) held a special members-only tour of the David Dunlap Observatory on a very snowy February 2011 Saturday evening. It was hosted by the DDO's chairmain & all-out astronomy expert Paul Mortfield ( ). Find out more about the history of this iconic 74 Canadian telescope (brought online 1935) at and . For a full technical overview of the telescope, please refer to this Univ. of Toronto document, . The DDO also has a Facebook page at David Dunlap Observatory. Also refer to the photos page at
The Richmond Hill David Dunlap Observatory
Largest Telescope in Canada - David Dunlap Observatory
The David Dunlap Observatory (DDO) is an astronomical observatory site just north of Toronto, in Richmond Hill, Ontario, housed on a 189-acre (76 ha) estate. Formerly owned and operated by the University of Toronto, from its establishment in 1935 until 2008; the observatory is now managed by the Royal Astronomical Society of Canada, Toronto Centre (RASC-TC), and the David Dunlap Observatory Defenders (DDOD). Its primary instrument is a 74-inch (1.88 m) reflector telescope, at one time the second-largest telescope in the world, and still the largest in Canada. Several other telescopes are also located at the site, which formerly also included a small radio telescope.
The DDO is the site of a number of important studies, including pioneering measurements of the distance to globular clusters, providing the first direct evidence that Cygnus X-1 was a black hole, and the discovery that Polaris was stabilizing and appeared to be falling out of the Cepheid variable category.[1] Located on a hill, yet still relatively close to sea level at 730 feet (220 m) altitude, and now surrounded by subdivisions, its optical astronomy ability has been reduced as compared to other remote observatory sites around the world.
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Music: Whitesand - Beyond (Royalty Free Music)
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Star Gazing @ David Dunlap Observatory : Experiencing Toronto
Public Viewing @ David Dunlap Observatory
Richmond Hill - Persied Meteoroid Shower
Thursday August 12th
Time Lapse: Constellation - Cassiopeia
History of David Dunlap Observatory, Richmond Hill, in 2 minutes
David Dunlap Observatory
The David Dunlap Observatory is a large astronomical observatory site located at Yonge Street and Hillsview Drive in Richmond Hill. The Observatory is notable for housing the largest optical telescope in Canada.
Learn more about Richmond Hill's heritage and culture by visiting our online Culture Map:
RASC-TC David Dunlap Observatory Public Grand Opening Day June 9, 2018
On June 9, 2018 the public joined in the celebration of the Grand Opening of the David Dunlap Observatory under its new ownership, the Town of Richmond Hill. The Royal Astronomical Society of Canada helped in this celebration.
Historic observatory once again opening skies to the public
The David Dunlap Observatory in Richmond Hill is once again open to the public. But it's future was in doubt after the property was sold in 2007 until the town stepped in to protect this historic view of space
David Dunlap Observatory Universe Part 1
'Universe' is a 1960 NFB docu about the David Dunlap Observatory, the largest optical telescope in Canada. The David Dunlap Observatory is operated by the Royal Astronomical Society of Canada, Toronto Centre.
WTF? John Hart Dam, Richmond HIll, Ontario
So I pretty much work 3 minutes away from this storm water pond. I always past this place and I finally had the chance to check it out. I saw a few sunfish swimming around so there's definitely fish in there. I'm suspecting there might only be sunfish and carp. If you do catch bass in there, please let me know.
Bilibala talk 20181120 樓言(37) 邊睇邊講 model home p2
Observatory Hill @ Bayview Ave & 16th Ave (NE corner), Richmond Hill
Builder: Regal Crest Homes
David Dunlap Observatory Universe Part 2
Astronomical data collection has changed in the last 49 years! The David Dunlap Observatory is operated by the Toronto Centre of the Royal Astronomical Society of Canada. 'Universe' is a National Film Board of Canada production - you can purchase a copy at nfb.ca
Astronomy Family Night David Dunlap Observatory
May 31, 2019 Happy Birthday DDO! by Dr. Ian Shelton - Celebrating the David Dunlap Observatory's 84th anniversary - culminated with a view of the 74 inch telescope in the dome building. Richmond Hill Ontario Canada
David Dunlap Observatory Universe Part 3
The Sun rises again at the David Dunlap Observatory in Richmond Hill, Ontario. The David Dunlap Observatory is operated by the Toronto Centre of the Royal Astronomical Society of Canada. 'Universe' is a National Film Board of Canada production - you can purchase a copy at nfb.ca
Observatory Hill - History of the David Dunlap Observatory
2K Drone aerial of the David Dunlap Observatory
The David Dunlap Observatory is home to the largest optical telescope in Canada. Built in the 1930s, it was the second biggest telescope in the world.
Shot using: DJI Phantom 2 with H3-3D/GoPro3+, ImmersionRC 5.8 GHz, UNO 5800 receiver, SpiroNET cloverleafs, iOSD mini, Lumenier 8 monitor.
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Anima - You are truth
RASC-TC History of RASC at the David Dunlap Observatory
On June 9, 2018, at the official opening of the David Dunlap Observatory under the stewardship of the city of Richmond Hill, Eric Briggs gave a brief lecture on the history of the RASC at the DDO. Eric is a member of the Royal Astronomical Society of Canada - Toronto Centre.
Moving Day at David Dunlap Observatory
On July 24, 2008, the University of Toronto defied public opinion by having Pacart remove the water colours, the oils, and all the other significant art works from Canada's David Dunlap Observatory.
An evening of observing at the David Dunlap Observatory
A time lapse view of an RASC - Toronto Centre observing session at the David Dunlap Observatory in Richmond Hill Ontario. The 74 scope is the largest in Canada
100 OBSERVATORY LN, SUITE 605, RICHMOND HILL, ON
100 OBSERVATORY LN, SUITE 605, RICHMOND HILL, ON