20
May
Speaker and Social Nights at the RHDDO and Online
Speaker: To be announced
Title: To be announced
Abstract: To be announced
Who can attend: Everyone
Fee: No Charge
Locations:
15
April
Speaker and Social Nights at the RHDDO and Online
Speaker: To be announced
Title: To be announced
Abstract: To be announced
Who can attend: Everyone
Fee: No Charge
Locations:
18
March
RASCTO Speaker's Night: Venus: From Earth’s Twin to a World Apart [Online Only]
Join us as Megan explore long-standing fascination with the planet Venus and how early speculation of an Earth-like world gave way to a very different picture.
18
February
RASCTO Speaker's Night: Cosmic Wonders with the James Webb Space Telescope [Online Only]
Join us as Nathalie Nguyen-Quoc Ouellette explores the discoveries by the James Webb Space Telescope!
21
January
RASCTO Speaker's Night [Cancelled]
[Cancelled]
29
March
DDO: Sunday Sungazing - March 2026
Safely observe the sun with us!
During these family-friendly sessions, a DDO Astronomer will answer your questions about our closest star: the sun!
22
February
DDO: Sunday Sungazing - February 2026 [Online Only]
Safely observe the sun with us from home!
During these family-friendly sessions, a DDO Astronomer will answer your questions about our closest star: the sun!
14
February
DDO Astronomy Speaker's Night - February 2026 - Doubles for Couples
Experience a presentation led by astronomy experts and researchers and tour the observatory.
25
January
DDO: Sunday Sungazing - January 2026 [Online Only]
Safely observe the sun with us from home!
During these family-friendly sessions, a DDO Astronomer will answer your questions about our closest star: the sun!
9
January
DDO How to Use Your Telescope
Do you have a telescope, but don’t know how to use it? Come to the Richmond Hill David Dunlap Observatory can help! Bring your telescope to this workshop to have it assessed and to receive one-on-one instruction on its use outdoors!