Croydon Astronomical Society present a series of talks on subjects related to astronomy on Fridays.  From September 2021 these are held in the Sandison Room at Trinity in Croydon. 

The meetings start at 7.30 pm and are open to anyone. 


There is no need to book; just turn up.

For details of car parking, a map and access by public transport click here.

There is no charge for the talks but there is a suggested donation of £3 per person to help cover the costs of venue hire and the speaker (larger donations are of course very welcome).  Refreshments are available for a nominal charge.

The talks programme is shown below.   This is always provisional and subject to last-minute changes. We will update this programme as we know more information.

Please see the rules we ask visitors to follow.


10th September 2021

Konrad Malin-Smith.  Gravity

24th September

Roy Easto: The dynamic universe.  Plus other short talks (including brief update by Graham Cluer on this year's Persieds)

8th October (Note that this date has been changed back to our normal pattern)

Long Talk.

Keith Brackenborough.  "The Changing Face of Amateur Astronomy."

Keith will trace the start of amateur Astronomy in the UK with the Great amateurs of the 19th century,  how local  societies started as well as the formation of the Royal Astronomical Society and the BAA. 

The explosion of amateur astronomy after the War and the formation of the Junior Astronomical Society and  local groups in the 1960s and the formation of the FAS.

 In  particular the early start of the Croydon Group of the JAS. Keith will then trace the development of the Croydon society over its first 21 years, finishing with the opening of the observatory in 1979.

22nd October

A programme of short talks featuring: TBA

12th November  (note new date.  We do NOT meet on 5th November)

Long Talk.

Mark Westmoquette on “Mindful Stargazing”

26th November  (note the date.  We do not meet on 19th November)

A programme of short talks featuring:

Janet Taylor.  The Moon

3rd December

Long Talk

Martin Hogbin. "What is the Time?".

17th December.

Christmas meeting.  Festivities!