Welcome to the Canberra Astronomical Society website!

CAS caters to the needs of amateur astronomers in and around Canberra and the ACT, Australia. If you’re interested in astronomy, you’ve come to the right place—why not consider becoming a member?

  • Europa eclipsing Jupiter's Great Red Spot
    Europa eclipsing Jupiter's Great Red Spot

Recent photos by CAS members.
See more in our Image Galleries.

Please use the site navigation at the top of the page to explore our website. You can also use the sidebar at left to search the site or use quick links to recently-added content.

Articles from CAS members are regularly added to the Articles section of the website.