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Membership in the RASC is open to everyone who is interested in astronomy. You may join through one of 29 RASC Centres, or as an Unattached member.

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Visit our store for your astronomy needs. We carry a wide variety of items such as the Observer's Handbook, calendars, astronomy teaching guides, observing aids, and more!

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RASC is a national, non-profit, charitable organization devoted to the advancement of astronomy and related sciences. Help support our society through your kind donations.

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RASC 150
RASC Sesquicentennial

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SkyNews - This Week’s Sky

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

eNews

The latest in astronomy.

The RASC Robotic Telescope Project
Robotic Telescope

Join us on our mission to enhance understanding of and inspire curiosity about the Universe.

RASC Publications
Publications

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

Programs

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.

Volunteer

RASC offers its members many ways to get involved.

History

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

1857E.E. Barnard born.161 years ago
1917Sir Arthur C. Clarke born.101 years ago
2004Voyager 1 crosses termination shock at 94 AU.14 years ago

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Where OTA Means More

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