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Upcoming & Recent Events

24 October

RASC Toronto Centre Fall Winter Star Party at CAO 2025

The cold crisp nights of winter contain many wonderful and bright winter constellations and deep sky objects, but they can come with numb fingers and cold toes, treacherous driving conditions, and equipment challenges.
24 October

Millennium Square Public Star Party - October 24 or 25, 2025

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

DDO: Sunday Sungazing - October 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 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

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The Sky Tonight

Toronto

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