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.
Quick Navigation
Star Parties
A list of star parties held across Canada.
SkyNews - This Week’s Sky
Weekly highlights from Skynews magazine.
Find a Centre
RASC has 28 Centres across Canada.
Robotic Telescope
Join us as we explore the universe with our telescope in California.
Society
Mission, About Us, Centres, Donations, General Assembly, Sponsors.
Publications
Observer's Handbook, Calendar, Journal, newsletters, and more.
Observing
Certificates, projects, star parties, AstroSketchers, resources.
Programs
EPO, Light Pollution Abatement, History, Special Projects, Public Lectures
Social Media
Stay in touch with RASC.
History
The RASC has a rich history going back to 1868. Explore it here in our digital archives.
Volunteer
RASC offers its members many ways to get involved.
RASC Sesquicentennial
150th podcast and special events held in 2018.
This Day in History
| 1875 | Argelander dies at 75. | 144 years ago |
Platinum Sponsor
Subaru — proud supporter of the RASC
Gold Sponsor
Helping People Discover the Wonders of the Night Sky
Gold Sponsor
The Camera Store / Nikon
Silver Sponsor
The Astronomy Shop With a Difference
Bronze Sponsor
Where OTA Means More
Bronze Sponsor
SkyShed Observatories