Earth is catching up and will pass closest to Mars in January 2025 when the distance between the two planets is at its smallest, making Mars appear much larger when viewed through telescopes here on Earth.

Join us as Dr. Samantha Lawler, Associate Professor of Astronomy at the University of Regina talk about the resulting space debris from the ongoing space race.

Experience a presentation led by astronomy experts and researchers and tour the observatory. The 74” telescope is under restoration and will not be available for this program.

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 while interacting with RHDDO Astronomers!

Jupiter will make its closest approach to Earth in 59 years - an astronomical arrangement known as opposition. Astronomers will have views through telescopes (weather dependent).

Check out the December AstroTour! December AstroTours features Tanisha Ghosal's talk about our own sun!

This page contains information regarding the upcoming member's only Annual Meeting of the RASC Toronto Centre.

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!

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.

Join us as Claude Cournoyer-Cloutier from McMaster University explores binary stars and clusters in the Milky Way.