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Cambridge Astronomical Association

£4 a year
Planet and Moon

Our history and what we do

Spacecraft in Orbit
  • CAA events

  • CYA 7-11 years old events

  • CA+ 11-18 Cambridge AstroPlus

  • Observing Evenings

  • Summer Courses

  • Recommended Events


Become a member and enjoy all the CAA, CYA and CA+ activities we prepare every month for our members


We attempt to clear away the fog and help people who want to get into astronomy to get started.

Book your course HERE


Founded in 1959 for people with an interest in astronomy in and around the Cambridge area we have been running for over 60 years! The CAA caters for all levels of interest in astronomy from absolute beginners to experts, young and old. We aim to make astronomy interesting and fun and we hope to do that for a modest subscription fee.

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Cambridge AstroPlus

Catering for all CAA members including those aged 11 and up we also run sessions called the Cambridge AstroPlus.
These evenings take the form of four 20-minute talks by our in-house team of lecturers. These are on the first Monday of each month at 19:15.


Cambridge Young Astronomers is a great opportunity for children from the age of 7 to 11 to learn about Science and Astronomy from a very young age. It consists of group meetings where children have the opportunity to do fun activities while learning. 


Observing Evenings

The event is available for the public, not only members. These events are integrated with the Institute of Astronomy's public open night program and begins at 8 pm following the indoor lecture for members, which starts at 19:15

The CAA team will give you a guided tour of the night sky, picking out a number of objects of interest via the array of telescopes which all link up to the large screens so that everyone in attendance can see at once.

Keep up to dated with what we do

Join our email list and receive information about our public observing evenings, talks and events.

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CAA Library

Our Library of about 150 books, videos, CDs and DVDs can be borrowed by members, free of charge, for a month. The Library is open at every Speaker Meeting from 7.30 pm - 8.00 pm and after the talk. Items in the Library are regularly reviewed and updated. Suggestions for new additions are always welcome.

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You can't go wrong with a

One Year Membership Gift Card.

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