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Mid-Term Council Appointment

Toronto Centre President Tom Luton announced today that Denis Grey has succeeded Adrian Aberdeen as the Centre's Treasurer.

Solar Observing is back for 2023!

Join us to safely view and learn about the sun, including the upcoming solar eclispes!

New Website Launched!

Welcome to our upgraded website!

We have completed an upgrade our website to do the following:

The Sky This Month for June 7 to July 5, 2023

The PDF contains the detailed notes for The Sky This Month presentation by Chris Vaughan at the Recreational Astronomy Night Meeting on June 7, 2023. Highlights include:

Daytime all month – View the sun with safe solar filters!

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


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


Upcoming & Recent Events

29 September

Astronomy Speaker's Night: Taking Back the Night Sky: What We Can Do About Light Pollution

Come to the DDO where Quinton Weyrich, the outreach coordinator for the Royal Astronomical Society of Canada at the David Dunlap Observatory, as well as a regular Astronomer in Residence at Killarney Provincial Park in Killarney, Ontario, is presenting about the light pollution affecting the night skies!
4 October

Recreational Astronomy Night - Oct. 4, 2023

Join us for our monthly recreational astronomy night meeting. This is where our members get to show their latest projects or give tutorials and tips on just about everything to do with astronomy.
7 October

Solar Observing at Ontario Science Centre - October 2023

Enjoy safe views of the Sun every first Saturday of the month at the Ontario Science Centre!