Welcome to the website of the Canterbury Astronomical Society.

Relax and take a look around our site.  Hopefully it can answer any questions you have about us, and can assist you in discovering more about the exciting world of amateur astronomy.

Each month we have a number of meetings you can come along to...
  • The CAS Astronomical Catalogue "CASAC", is available for download from the practical astronomy page. Members are encouraged to download the list and observing logs template. We aim to compile logs from members on there observations, and make it a great reference resource for all. The catalogue will be updated and corrected periodically, so be sure to check back now and then for the latest revisions.

  • Tonight's Public Open Night (Friday, July 30th)Updated at 4:00pm


    Coming attractions: Also see the calendar for other upcoming events.

    Keep up to date with Royal Society of New Zealand events here.


    APanel - Observing Conditions for West Melton

    APanel (Astroweather Panel) is a numerical weather forecast designed for astronomical purposes. The image below is a prediction for the observing conditions at West Melton. Please visit http://7timer.y234.cn/ for more information, or click the image to download PDF instructions for how to read APanel. CAS does not guarantee the accuracy of the predictions made by APanel.




    MAP: How to get to the West Melton Observatory.