Happy 86th Birthday DDO!

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The David Dunlap Observatory’s official opening was on 31 May 1935, also Prof. Chant’s 70th birthday. The opening ceremony was attended by notables such as Sir Frank Dyson, and former Prime Minister William Lyon Mackenzie King, who praised the Observatory as “a gift to science all over the world.” Chant retired the same day and moved into Observatory House, the original pre-Confederationfarmhouse (built in 1864 for Alexander Marsh and known also as Elms Lea Alexander Marsh) just to the south of the administration buildings, where he spent his remaining years. In May 1939 the train carrying King George VI and Queen Elizabeth, the Queen Mother on their cross-Canada tour paused on the railway to view the Observatory and the largest telescope in the commonwealth. 

Presently, DDO has a rich heritage and offers public astronomy programs hosted by the City of Richmond Hill and provided by the program partners, DDODefenders and RASC.

To learn more please explore www.richmondhill.ca/Astronomy

-DDO Defenders : )

MARS IS HERE

Don’t wait till 2035 to see the next Great Opposition of Mars!

Image obtained by DDOD astronomer David Wing on September 4, 2020 from his home in Richmond Hill

Join us at our Mars Madness event starting October 3 for a chance to see Mars at its very best.

Mars imaged by the Hubble Space Telescope in 2003

Although Earth passes by Mars every couple of years, it’s only during rarer Great Opposition years like 2020 that the distance between the two planets is at its smallest, making Mars appear much larger when viewed through telescopes here on Earth.

We will provide views through telescopes, including the largest telescope in Canada. We will show you how to find Mars from your own backyard; You’ll learn fun facts and stories about Mars and its exploration. There will be special guests and lots of opportunities to ask questions. And there are fun activities. Best of all, you get to enjoy all of this from the comfort of your own home!

Space is limited, so don’t delay… Register today!

This event will be held on Oct 3rd, Oct 4th, Oct 5th & Oct 6th. Please follow the links to register.