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29 July

Astronomy Speaker's Night: Taking Back the Night Sky: What We Can Do About Light Pollution (CANCELLED)

Abstract: In this talk, Quinton Weyrich will discuss his experience as an Astronomer in Residence at Killarney Provincial Park, the first provincial park in Ontario to be designated a dark sky preserve. He will discuss what commitments a location must make in order to be designated a dark sky preserve and why the reduction of ambient light within them is scientifically and culturally valuable.
25 July

Stargazing Night - July 2023 (GO for Tuesday)

Bring Your Own Binoculars and observe the sky from the David Dunlap Observatory!
9 July

DDO: Sunday Sungazing - July 2023

Safely observe the sun with us! During these family-friendly sessions, a DDO Astronomer will answer your questions about our closest star: the sun!
5 August

Astronomy Family Night - August 2023

Join us for the wonders of astronomy through a presentation on a variety of exciting astronomy topics, followed by an age-appropriate celestial activities and a demonstration of the 74” telescope.
7 July

Astronomy Family Night - July 2023

Join us for the wonders of astronomy through a presentation on a variety of exciting astronomy topics, followed by an age-appropriate celestial activities and a demonstration of the 74” telescope.
28 June

Stargazing Night - June 2023 (GO for Wednesday)

Bring Your Own Binoculars and observe the sky from the David Dunlap Observatory!
5 May

Clone of Astronomy Family Night - May 2023

Join us for the wonders of astronomy through a presentation on a variety of exciting astronomy topics, followed by an age-appropriate celestial activities and a demonstration of the 74” telescope.
5 May

Astronomy Family Night - May 2023

Join us for the wonders of astronomy through a presentation on a variety of exciting astronomy topics, followed by an age-appropriate celestial activities and a demonstration of the 74” telescope.
7 May

DDO: Sunday Sungazing - May 2023

Safely observe the sun with us! Join us at the DDO for these family-friendly sessions where a DDO Astronomer will answer your questions about our closest star: the sun!
13 May

Doors Open Richmond Hill 2023 at the DDO

Join us at the DDO for a visit of the dome and check out the Administration building for Doors Open Richmond Hill!