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Centre Information

View detailed information about an RASC Centre.

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.

Observer's Handbook

The standard North American reference for data on the sky.

RASC Journal

Articles on Canadian astronomers and current activities of the RASC and its Centres.

The Bulletin

The latest RASC news - delivered right to your inbox, or read it here online.

ePublications *Coming Soon*

Stay tuned for our new ePublications coming soon; written by members for members.


Read the latest user blog entries.


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.

Find a Centre

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

Social Media

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This Day in History

Today is Sat 19 Aug 2017, JD 2,457,985 (day 231 of 365 this year).

1646John Flamsteed born.371 years ago
1885Supernova discovered in M31 (S Andromedae).132 years ago
1887Alvan Clark dies at 83. JRASC130 years ago
1891Milton Humason born.126 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
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Where OTA Means More.

SkyShed Observatories
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SkyShed Observatories