High Top Observatory is the proud home of the South West Herts Astronomical Society. The observatory is accessible to Society members only and the public on special open days and evenings.
Location events organiser
South West Herts Astronomical Society organises events at this location
Please contact South West Herts Astronomical Society directly with any enquiries relating to visiting this location
Email: [email protected]
Website: South West Herts Astronomical Society
Weather forecast
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23/05/24
15° 4% -
23/05/24
11° 0% -
24/05/24
9° 0% -
24/05/24
8° 1%
Weather forecast for Chorleywood (2.6 miles away) updated 23/05/24 at 12:00.
Local light pollution
High Top Observatory is estimated to have light pollution levels similar to asemi-rural semi-rural location based on the latest data from the VIIRS satellite.
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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.
Best time to visit
The below chart shows when the skies will be at their darkest at this location and therefore the best time to visit. 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. See our dark sky calendar for more details.
Thu 23rd May
Fri 24th May
Sat 25th May
Sun 26th May
Mon 27th May
Tue 28th May
Wed 29th May
Find more dates
If you are planning to visit this location check our dark sky calendar to find out when is best!
CalendarEvents nearby
Stay and gaze nearby
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