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Upcoming & Recent Events

26 June

City Star Party - July 2025 - Location change to York University Open Air Astro Fair

LOCATION CHANGE: Our monthly City Star Party for July has been moved to York University Open Air Astro Fair instead of Bayview Village park. If you don't have a telescope then you will find many astronomers who would love to share a view.
27 June

Millennium Square Public Star Party - Summer Solstice 2025

Join us on the evening of the Summer Solstice for free public stargazing along the north shore of Lake Ontario, at Millennium Square in Pickering.
29 June

DDO: Sunday Sungazing - June 2025

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

FEATURED NEWS

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.

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

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

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The Sky Tonight

Toronto

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