Quick Navigation

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 28 Centres and over 4,800 members world-wide.

Social Media

Stay in touch with RASC.

Latest Tweets

This Day in History

Today is Sun 29 May 2016, JD 2,457,538 (day 149 of 366 this year).

1919Total solar eclipse (relativity theory tested).97 years ago
Gold Sponsor

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

Bronze Sponsor

Astronomical and Eclipse Tours by Melitatrips.

Ontario Telescope
Bronze Sponsor

Where OTA Means More.