9
January
DDO Gigantic Jupiter: The Gas Giant at Opposition
Jupiter is more than twice as massive than the other planets of our solar system combined!
Join us at the Richmond Hill David Dunlap Observatory as Jupiter, the Earth, and the Sun all align in their celestial dance - an astronomical arrangement known as opposition.
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!
3
June
Recreational Astronomy Night - June 3, 2026
Join us for our monthly recreational astronomy night meeting. This is where our members get to show their latest projects or give tutorials and tips on just about everything to do with astronomy.
6
May
Recreational Astronomy Night - May 6, 2026
Join us for our monthly recreational astronomy night meeting. This is where our members get to show their latest projects or give tutorials and tips on just about everything to do with astronomy.
1
April
Recreational Astronomy Night - April 1, 2026
Join us for our monthly recreational astronomy night meeting. This is where our members get to show their latest projects or give tutorials and tips on just about everything to do with astronomy.
4
March
Recreational Astronomy Night - March 4, 2026
Join us for our monthly recreational astronomy night meeting. This is where our members get to show their latest projects or give tutorials and tips on just about everything to do with astronomy.
4
February
Recreational Astronomy Night - February 4, 2026
Join us for our monthly recreational astronomy night meeting. This is where our members get to show their latest projects or give tutorials and tips on just about everything to do with astronomy.
7
January
Recreational Astronomy Night - January 7, 2026
Join us for our monthly recreational astronomy night meeting. This is where our members get to show their latest projects or give tutorials and tips on just about everything to do with astronomy.
12
December
DDO Astronomy Speaker's Night - December 2025 - Atmospheric Processes on Titan in the Context of the Dragonfly Mission
Experience a presentation led by astronomy experts and researchers and tour the observatory.
19
November
RASCTO Speaker's Night: Structure, Composition, and Internal Dynamics of Rocky Planets [Online Only]
Join us as Prof. Charles-Édouard Boukaré explores the Structure, Composition, and Internal Dynamics of Rocky Planets