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Online Activities

Online astronomy activities to entertain you during isolation!

Star Parties

A list of star parties held across Canada.

Find a Centre

RASC has 30 Centres across Canada.


Mission, About Us, Centres, Donations, General Assembly, Sponsors.


Observer's Handbook, Calendar, Journal, newsletters, and more.


Certificates, projects, star parties, AstroSketchers, resources.


EPO, Light Pollution Abatement, History, Special Projects, Public Lectures

Social Media

Stay in touch with RASC.


The RASC has a rich history going back to 1868. Explore it here in our digital archives.


RASC offers its members many ways to get involved.

This Day in History

1817Messier dies at 87.207 years ago
1849A. de Gasparis discovers asteroid (10) Hygiea.175 years ago
1961Yuri Gagarin becomes first man in orbit.63 years ago
1981First space shuttle (Columbia) launched.43 years ago