Welcome to Ewell Astronomical Society - serving sky watchers in Southwest London and North Surrey.

 Ewell Astronomical Society was founded by Phil Ringsdore in 1966 with Sir Patrick Moore as its patron. Following Sir Patrick's death in 2012 Professor Ian Morison accepted an invitation to become the society's patron. A position he still holds.


Scholl entrances for meetings and ObservingEwell astronomical Society meetings are held on the second Friday of each month in the library at Nonsuch High School for Girls in Cheam.  Access is via the meeting entrance marked on the left. For School observing sessions please use the Main Entrance opposite the car park. Larger map here.


Attendance at the monthly meetings is £1 for members and £5 for non members. 


The society has use of an 11 inch SCT in the observatory on the roof of the school.

We have regular observing sessions at the school, at Nonsuch Park and Ranmore Common.

There is a regular newsletter called Janus available at our meetings or can be downloaded here.


We can provide talks and demonstrations for schools and groups such as Brownies, Cubs, Scouts and Guides.






Upcoming meetings and events

Observing Session First Date

Monday 23 September 2019

The next observing session will be on the first clear night between the 23rd and 26th September. Please check back for actual date as weather and clear skies will affect date.

Viewing Group

Monday 07 October 2019

This is an informal session for members to meet and discuss anything related to their telescopes and sky events and if weather permits to go up on the roof for observing.

October Meeting

Friday 11 October 2019

Tonight's speaker will be Mike Maunder and the topic will be "Eclipses"

Ron Canham will also give a presentation on the sky at night for the coming month.