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Upcoming & Recent Events

27 March

Millennium Square Public Star Party - March 27 or 28, 2026

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

DDO Astronomy Family Night - March 2026 - Constellations: Connecting the Dots

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!
29 March

DDO: Sunday Sungazing - March 2026

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

Speaker and Social Nights Coming to the RHDDO

Starting April 15th, the Toronto Centre will be hosting a simulcast of our Speaker's Night at the historic David Dunlap Observatory in Richmond Hill follow

Winter Access at the CAO

The Carr Observatory is open this winter on a limited basis as follows:

Board Conducts Planning Meeting

The Toronto Centre Board and key volunteers spent the day on Saturday, January 10th talking up the Centre's future and identifying ways that we could improve our services to members and enhance our mandate.

Spectroheliographs Coming Soon!

The RASC Toronto Centre has invested in two Spectroheliographs for use in public outreach at both the CAO and DDO.

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.