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14 October

Solar Eclipse at Ontario Science Centre - October 14, 2023

Enjoy safe views and learn about the partial Solar Eclispe at the Ontario Science Centre!
27 October

Astronomy Speaker's Night - The Universe Seen in the Eyes of a Fast Radio Burst

Visit a unique historical site in Richmond Hill and experience an engaging presentation led by experts and researchers in astronomy, covering a variety of exciting astronomy topics. After the presentation, participants will tour the observatory and see a demonstration of the 74” telescope pointed to an interesting celestial object for the visitors to view (weather-dependent). Please wear / bring appropriate supplies for being outside. A registered adult must accompany all registered participants under the age of 16.
21 October

DDO Planetarium Day - October 2023

Enter a Digital Portable Planetarium and take a journey through the universe led by a DDO astronomer!
20 October

Astronomy Family Night - October 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.
14 October

Sun Fun: Annular Solar Eclipse!

Join the Astronomers at the Richmond Hill David Dunlap Observatory Astronomers and experience the annular eclipse. Learn about the sun and practice safe solar observing!
18 October

Speaker's Night: When worlds collide: asteroids, comets and the Earth

Join us as Margaret Campbell-Brown, Professor at University of Western Ontario, presents about asteroids, comets and the Earth!
20 September

Speaker's Night: The Adventure of Space Science and Exploration: A Canadian Perspective (ONLINE)

Join us as John E. Moores, York Research Chair in Space Exploration, presents about Canadian Space Science and Exploration!
29 August

RASC National Society: The Insider's Guide to the Galaxy FINALE

Join us online to learn basic astronomy that you can do on your own from your backyard! The spring sky hosts both very bright stars and very dim galaxies. We'll talk about the system astronomers use to measure and report the brightness of celestial objects - from luminosity to absolute and apparent brightness, to surface brightness. Please note, this will be the last episode of Insider's Guide to the Galaxy.
29 September

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

Come to the DDO where Quinton Weyrich, the outreach coordinator for the Royal Astronomical Society of Canada at the David Dunlap Observatory, as well as a regular Astronomer in Residence at Killarney Provincial Park in Killarney, Ontario, is presenting about the light pollution affecting the night skies!
27 September

Stargazing Night - September 2023 (GO for Wednesday)

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