Nonsuch High School Observatory

Ewell Road, Cheam, SM3 8AB

Location description

Nonsuch High School for Girls is home to an observatory which is open on the first Friday of every month (weather permitting) with events run by astronomers from Ewell Astronomical Society.

Location event organiser

Ewell Astronomical Society organises stargazing events at this location.

Astronomical society

Meeting place for local astronomical society, often in a location that enables stargazing and observing.


Location has an observatory that is accessible to the public by prior arrangement or during public events.

Location light pollution

This location is estimated to have light pollution levels similar to a urban setting based on satellite data from CPRE.

Dark site
The above demonstrates the estimated effect of light pollution - graphics created using Stellarium.

Stargazing events at this location

There are no known forthcoming events at this location. Previously there have been 16 events with the last one being on 18th December 2018 organised by Ewell Astronomical Society.


When to visit

The best time to visit Nonsuch High School Observatory can be found on this dark skies calendar.

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