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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
Thu, 2015-07-09 Vancouver Monthly Meeting
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

This Day in Astronomical History

This Day in Astronomical History


Taurus supernova, 1054.


Pathfinder/Sojourner land on Mars.


Deep Impact lands on Comet 9P/Tempel 1.

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 33 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 39 weeks ago


Today is Sat 4 Jul 2015, JD 2,457,208 (day 185 of 365 this year).