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Welcome to
Croydon Astronomical Society

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

Solar Day planned at the Observatory. 

Join us on  Saturday 6th July between 12:00 and 14:00 for some solar observing in the early afternoon, 

as always subject to the weather.

If the weather doesn't allow we have back up days of 13th and 20th July, but we will only do a single event on the first of these which is sunny.

Keep an eye on this website and our Facebook page for confirmation of which Saturday.  

We hope you get the chance to enjoy the long summer evenings and we will be back when they start to get shorter.

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.


Evie Faith Harvey - aged 13

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.

IC5067 the Pelican wall.jpg

IC 5067 The Pelican Wall

©John Mills 2021

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