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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

1901Nova Persei 1901 discovered.117 years ago
1938G.E. Hale dies at 70.80 years ago

Subaru -- proud supporter of the Royal Astronomical Society of Canada.


All-Star Telescope

Helping People Discover the Wonders of the Night Sky

Ontario Telescope
Bronze Sponsor

Where OTA Means More.

SkyShed Observatories
Bronze Sponsor

SkyShed Observatories