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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
Sat, 2015-04-25 Kitchener-Waterloo Public Observing Session
Wed, 2015-04-29 Okanagan Vernon Meeting
Fri, 2015-05-01 Ottawa Regular Meeting
Tue, 2015-05-05 Okanagan Kelowna Meeting
Wed, 2015-05-06 Toronto Lecture Night
Thu, 2015-05-07 Okanagan Penticton Meeting
Thu, 2015-05-07 Sarnia Monthly Meeting
Fri, 2015-05-08 Sunshine Coast Regular Meeting
Fri, 2015-05-08 Winnipeg Monthly Meeting
Fri, 2015-05-08 Mississauga Regular Meeting

This Day in Astronomical History

This Day in Astronomical History


Curtis-Shapley debate. [2]

Personal Astronomy Blogs

RASC Astronomy Blog

March 11, 2015. Fantastic Night Observing Moonlighter 6 weeks 3 days ago
Comet Lovejoy, Feb 18th Moonlighter 9 weeks 3 days ago
An Astronomical Anecdote WMacDonald 11 weeks 3 days ago
Back to Astronomy After a 28 Year Absence Moonlighter 13 weeks 6 hours ago
Maple Sugar Moon—The Mi'qmaw Year DChapman 1 year 7 weeks ago


Today is Sun 26 Apr 2015, JD 2,457,139 (day 116 of 365 this year).