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4 November

Gigantic Jupiter - The Gas Giant at Opposition at the DDO

Join us at the Richmond Hill David Dunlap Observatory as, Jupiter, will make its closest approach to Earth in 59 years - an astronomical arrangement known as opposition.
22 November

The Giant Planets at the Richmond Hill Public Library

Join us to learn about the surprising features of the gas giants, Jupiter and Saturn, and ice giants, Uranus and Neptune.
15 November

Speaker's Night: Galactic Evolution: Unveiling the Structure of Galaxies

Join us as Rajveer Seehra, an Astrophysics student at University of Manitoba, delves into the world of galaxy formation and evolution, focusing sharply on the structures that define these grand celestial objects.
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!