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Welcome to
Croydon Astronomical Society

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Croydon Astronomical Society is based in Croydon, just a few miles south of London. We hold public talks approximately every two weeks during school term time and aim to open our observatory to the public every Saturday evening.   The society was founded in 1956 and operates through the donation of time from its members and donations of money from its members and visitors.   If astronomy is your thing, please consider joining us as a member.  

Public opening of the Observatory

We have an observatory near Kenley aerodrome which we aim to open to the public each Saturday evening. Whether we can open depends on the weather (and availability of volunteers).  We can't open if it is wet, windy or cloudy.  As the weather is often quite changeable we sometimes can't make the final decision about whether we can open until mid-afternoon on Saturday.  We post messages here and on our Facebook page.

Saturday 20th April 2024


8:30pm to 10:30pm.

A variable weather forecast mainly showing some clear sky and cloud and different with every forecast! But the lighter nights are upon us and last possible evening opening this side of September will be next Saturday (27th) so we would like to take advantage of any possibility.


Jupiter and nearby Uranus will be visible first thing and also the Moon.


Please have a look at our Observatory page for details about visiting .  


Please check our Facebook posts and here on the website on Saturday 27th April 2024 at lunch time to see if we can open then.

Public talks

The Society holds public talks at Trinity School, Shirley Road, Croydon CR9 7AT.     Further details of the talks programme and location are set out in the Talks tab.

Talks are open to all, there is no charge, but we have a suggested donation of £3 towards society funds. Refreshments priced at 50p are available during the break.

Why we're here

Our objectives are to advance education in the science of astronomy and related subjects for the public benefit in Croydon and the surrounding area by:


  • encouraging a popular interest in astronomy and allied subjects;

  • helping beginners, irrespective of their age, to acquire a knowledge of astronomy and allied subjects; and

  • providing facilities for practical work and active participation in astronomical observation.

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IC 5067 The Pelican Wall

©John Mills 2021

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