Stargazing from the Severndroog Castle Roof
Wednesday 22nd April 2026 from 20:30pm to 22:30pm
Severndroog Castle
Shooters Hill, London, London, SE18 3RT, London
Join the Flamsteed Astronomers on Wednesday 22 April, who will be bringing their smart scopes and telescopes up Shooters Hill and setting up on the Castle’s viewing platform.
Your ticket includes 15 minutes up on the roof to view the smart scopes and telescopes plus 45 minutes access to the Williams James Room to view the live smart scope feed and meet the Flamsteed Astronomers who will be there to answer your questions, and have a hot drink (included in the price).
Tickets are £13 including booking fee and a hot drink. Very limited tickets for this event, so don’t delay.
Please dress warmly, as you will spend time outside on the viewing platform.
Event booking
Weather forecast
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22/04/26
15° 0% -
22/04/26
13° 0% -
23/04/26
10° 0%
Weather forecast for London (8.5 miles away) updated 18/04/26 at 12:01. Powered by Met Office data.
Event darkness
The below chart shows if and when the skies will be at their darkest during this event. Moonlight is shown in light yellow and the Sun's twilight in light blue. Midnight on the date shown is shown as a white line with sunset to the left and sunrise the next morning to the right. A black background with stars shows the best times for stargazing.
Wed 22nd Apr
Local light pollution
Severndroog Castle is estimated to have light pollution levels similar to a suburban location based on the latest data from the VIIRS satellite. For more advanced light pollution data, view this location on DarkSkySites.
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Urban
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Suburban
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Semi-rural
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Rural
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Dark site
The above demonstrates the estimated effect of light pollution - graphics created using Stellarium.
Forthcoming events
Below is a list of events at Severndroog Castle. View these events on our calendar, add them to your calendar or Google Calendar.
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