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Upcoming & Recent Events

3 October

DDO Astronomy Family Night - October 2025 - It's A Bird, It's A Plane, It's Supermoon!

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!
4 October

International Observe the Moon Night 2025

Join us for International Observe the Moon Night to learn about lunar science and exploration, take part in celestial observations, and honor cultural and personal connections to the Moon.
11 October

DDO Astronomy Speaker's Night - October 2025 - The Stunning View from Planet Earth

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

FEATURED NEWS

CAO Mini Work party Report for July 2025

On Saturday July 12, 20925, several RASC Toronto Centre volunteers attended our observatory property at the CAO to affect some needed maintenance.

CAO Work Party Report for May 2025

On the weekend of May 2-5, 2025, about 24 Toronto Centre member volunteers participated in the annual Spring Work Party at our E.C. Carr Astronomical Observatory (CAO) on Blue Mountain.

Information for the 2024 Annual Meeting

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

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.