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Upcoming & Recent Events

22 March

DDO Astronomy Speaker's Night - Daydreaming in the Solar System: Exploring the Planets with our Five Senses - March 2025

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

EAR 2025 - Learning Science: One Misconception at a Time

Explore how people learn science and how astronomers make discoveries with Pierre Chastenay as he shares engaging methods for teaching astronomy.
30 March

DDO: Sunday Sungazing - March 2025 [Virtual]

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

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.