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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.
Shop
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!
Donate
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 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.
Robotic Telescope
Join us on our mission to enhance understanding of and inspire curiosity about the Universe.
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
| 1925 | Peltier discovers first comet (1925d). | 93 years ago |
Platinum Sponsor
Subaru — proud supporter of the RASC
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Helping People Discover the Wonders of the Night Sky
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The Camera Store / Nikon
Silver Sponsor
The Astronomy Shop With a Difference
Bronze Sponsor
Where OTA Means More
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SkyShed Observatories