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RASC Sesquicentennial

Join us as we celebrate our sesquicentennial in 2018.

Find a Centre

RASC has 29 Centres and over 5000 members world-wide.

SkyNews - This Week’s Sky

The magazine of astronomy and stargazing, is your guide to observing the night sky.


The latest in astronomy.

RASC Speakers

Find an RASC Speaker.


Stay up to date with our publications: the Journal, Bulletin and Observer's Handbook.


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.


RASC offers its members many ways to get involved.


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.

Social Media

Stay in touch with RASC.

This Day in History

1646John Flamsteed born.372 years ago
1885Supernova discovered in M31 (S Andromedae).133 years ago
1887Alvan Clark dies at 83. JRASC131 years ago
1891Milton Humason born.127 years ago

Subaru — proud supporter of the Royal Astronomical Society of Canada


Helping People Discover the Wonders of the Night Sky

The Camera Store / Nikon


The Astronomy Shop With a Difference

Where OTA Means More

SkyShed Observatories