[Cancelled]

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.

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!

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.

Experience a presentation led by astronomy experts and researchers and tour the observatory.

Families will be introduced to the wonders of astronomy through a presentation on a variety of exciting astronomy topics, followed by age-appropriate celestial activities!

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.

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

Join us as Prof. Charles-Édouard Boukaré explores the Structure, Composition, and Internal Dynamics of Rocky Planets

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.

Families will be introduced to the wonders of astronomy through a presentation on a variety of exciting astronomy topics, followed by age-appropriate celestial activities!

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