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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.

RASC eNews

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, 2015-07-10 Mississauga Regular Meeting
Fri, 2015-07-10 Ottawa Public Observing Session
Fri, 2015-08-07 Mississauga Regular Meeting
Fri, 2015-08-07 Ottawa Public Observing Session
Wed, 2015-08-12 Kitchener-Waterloo Perseid Meteor Watch
Fri, 2015-09-04 Mississauga Regular Meeting
Fri, 2015-09-04 Ottawa Public Observing Session
Fri, 2015-09-18 Mississauga Regular Meeting
Sat, 2015-09-26 Kitchener-Waterloo Public Observing Session
Fri, 2015-10-02 Ottawa Public Observing Session

This Day in Astronomical History

This Day in Astronomical History


Total solar eclipse (relativity theory tested!).

Personal Astronomy Blogs

RASC Astronomy Blog

Planetary Lineup Over Toronto dgrey 2 years 24 weeks ago
Urban observing with the Observer's Handbook DChapman 2 years 28 weeks ago
Pocket Sky Atlas Challenges for December JPKulczycki 2 years 29 weeks ago
David Dunlap's 150th Birthday EBriggs 2 years 32 weeks ago
Halloween Thoughts WMacDonald 2 years 34 weeks ago


Today is Fri 29 May 2015, JD 2,457,172 (day 149 of 365 this year).