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Founded in 1868, The Royal Astronomical Society of Canada is Canada's leading astronomy organization bringing together over 4,800 enthusiastic amateur astronomers, educators, and professionals.

Upcoming Local Events

RASC centres across Canada host meetings and observing sessions, open to everyone. Come on out and enjoy an event near you.

Datesort icon RASC Centre Event
Fri, 2015-11-27 Mississauga Regular Meeting
Fri, 2015-12-11 Mississauga Regular Meeting

This Day in Astronomical History

This Day in Astronomical History


G.E. Hale born. JRASC


Peltier discovers 12th comet, 1954d.

Personal Astronomy Blogs

RASC Astronomy Blog

Planetary Lineup Over Toronto dgrey 2 years 29 weeks ago
Urban observing with the Observer's Handbook DChapman 2 years 32 weeks ago
Pocket Sky Atlas Challenges for December JPKulczycki 2 years 34 weeks ago
David Dunlap's 150th Birthday EBriggs 2 years 37 weeks ago
Halloween Thoughts WMacDonald 2 years 38 weeks ago


Today is Mon 29 Jun 2015, JD 2,457,203 (day 180 of 365 this year).