Join Now
Membership in the RASC is open to everyone who is interested in astronomy. You may join through one of 29 RASC Centres, or as an Unattached member.
Shop
Visit our store for your astronomy needs. We carry a wide variety of items such as the Observer's Handbook, calendars, astronomy teaching guides, observing aids, and more!
Donate
RASC is a national, non-profit, charitable organization devoted to the advancement of astronomy and related sciences. Help support our society through your kind donations.
Community
Canada's Astronomy Club
- RASC is Canada's leading astronomy organization bringing together over 5,000 enthusiastic amateurs, educators, and professionals
- Our 29 Centres offer local programs across Canada
- The majority of our events are free and open to the public
Quick Navigation
Centre Information
View detailed information about an RASC Centre.
SkyNews - This Week’s Sky
The magazine of astronomy and stargazing, is your guide to observing the night sky.
eNews
The latest in astronomy.
RASC Speakers
Find an RASC Speaker.
Observer's Handbook
The standard North American reference for data on the sky.
RASC Journal
Articles on Canadian astronomers and current activities of the RASC and its Centres.
The Bulletin
The latest RASC news - delivered right to your inbox, or read it here online.
ePublications *Coming Soon*
Stay tuned for our new ePublications coming soon; written by members for members.
Blog
Read the latest user blog entries.
Programs
RASC offers many programs.
Star Parties
A Star Party is an overnight excursion to a suitable dark sky site where you will meet many other astronomers.
Volunteer
RASC offers its members many ways to get involved.
History
The RASC has a rich history going back to 1868. Explore it here in our digital archives.
Certificate Programs
The RASC offers six observing certificate programs to promote active observing.
Find a Centre
RASC has 29 Centres and over 5000 members world-wide.
Social Media
Stay in touch with RASC.
Latest Tweets
-
From the 2016 Observer's Handbook, Jupiter 1.9° S of Moon #RASCbenefits https://t.co/ZO4mxnZfnt https://t.co/ztIYAc7dpU -
Watch tonight Nov 25, 7 pm PST TEDx Bob MacDonald: gravitational waves https://t.co/RmUIX7FBal
-
From the 2016 Observer's Handbook, today's event: Algol at minimum. This system is a fast-orbiting eclipsing... https://t.co/vmjxdIYIP5
Pages
This Day in History
Today is Sun 27 Nov 2016, JD 2,457,720 (day 331 of 366 this year).
No history event found for today.
Subaru
Diamond Sponsor
Subaru -- proud supporter of the Royal Astronomical Society of Canada.
Canadian Telescopes
Silver Sponsor
Best Online Source For Telescopes in Canada…
Khanscope
Silver Sponsor
The Astronomy Shop With a Difference.
Ontario Telescope
Bronze Sponsor
Where OTA Means More.