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Upcoming & Recent Events

2 May

Millennium Square Public Star Party - May 2 or 3, 2025

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

DDO Global Star Party for International Astronomy Day! 2025

Join us for a world-wide live stream of events from here and from around the world hosted from the David Dunlap Observatory!
3 May

DDO Global Star Party - International Astronomy Day!

Celebrate International Astronomy Day with a Global Star Party at the Richmond Hill David Dunlap Observatory.

FEATURED NEWS

Information for the 2024 Annual Meeting

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

Welcoming a far away friend! Comet C/2023 A3 (Tsuchinshan–ATLAS)

Comet C/2023 A3 (Tsuchinshan–ATLAS) is visible now!

We have found a new home! - York University

We have a new meeting location at York University!
About us

Welcome to the Toronto Centre of the Royal Astronomical Society of Canada. We’re Canada’s largest astronomy club with more than 600 members in the GTA who share a love of astronomy and the wonders of the night sky

Learn More

The Sky Tonight

Toronto

 Astronomical forecasts for different locations in the GTA and a monthly, free star map.