Join us for a rare chance to see a brilliant comet as it graces our western sky after sunset.

Hover above the Moon like an astronaut and get eye-to-eye with the planets. Find colourful stars, star clusters, bright nebulae and even another galaxy.

We are piloting a new City Star Party at Long Branch Park to catch universe from within the city limits. If you don't have a telescope then you will find many astronomers who would love to share a view.

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

Families will see a presentation on a variety of exciting astronomy topics, followed by age-appropriate celestial activities. The 74” telescope is under restoration and will not be available for this program.

Join us as Cassia Bond from York University explores our Galactic Archaeology.

Join us for an evening of moon watching along the north shore of Lake Ontario at Millennium Square for International Observe the Moon Night.

We are piloting a new City Star Party at Long Branch Park to catch universe from within the city limits. If you don't have a telescope then you will find many astronomers who would love to share a view.

We are piloting a new City Star Party at Long Branch Park to catch universe from within the city limits. If you don't have a telescope then you will find many astronomers who would love to share a view.

Join us at the DDO as we talk about the expansive night sky!