Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.

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 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 see a presentation on a variety of exciting astronomy topics, followed by age-appropriate celestial activities.

Our monthly City Star Party is the place to catch universe from within the city limits at Bayview Village Park. If you don't have a telescope then you will find many astronomers who would love to share a view.

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.

Bring your own binoculars for a free, guided tour of the night sky.

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!

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

Our monthly City Star Party is the place to catch universe from within the city limits at Bayview Village Park. If you don't have a telescope then you will find many astronomers who would love to share a view.

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.

Our monthly City Star Party is the place to catch universe from within the city limits at Bayview Village Park. If you don't have a telescope then you will find many astronomers who would love to share a view.