Join Now

Membership in the RASC is open to everyone who is interested in astronomy. You may join through one of 30 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

Online Activities

Online astronomy activities to entertain you during isolation!

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 30 Centres across Canada.

The RASC Robotic Telescope Project
Robotic Telescope

Join us as we explore the universe with our telescope in California.

RASC Seal
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.

This Day in History

1973Carl Sagan appears on Tonight Show.49 years ago