The Hampstead Observatory, lovingly refurbished by the dedicated and enthusiastic astronomers from the Hampstead Scientific Society and re-opened in September 2019 is home to a stunning 6″ Cooke refracting telescope which offers stunning views of the skies above London. The facility is opened to the public every Friday and Saturday night (strictly weather permitting) during the observing season from mid-September through to mid-April (closed during Summer months), with tickets being made available at short notice via their Eventbrite page.
Location events organiser
Hampstead Scientific Society organises events at this location
Please contact Hampstead Scientific Society directly with any enquiries relating to visiting this location
Email: [email protected]
Website: Hampstead Scientific Society
Facebook: Hampstead Scientific Society
Weather forecast
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31/05/26
22° 5% -
31/05/26
22° 5% -
31/05/26
21° 2% -
01/06/26
19° 0%
Weather forecast for London (4.3 miles away) updated 31/05/26 at 12:01. Powered by Met Office data.
Local light pollution
Hampstead Observatory is estimated to have light pollution levels similar to an urban 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.
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.
Sun 31st May
Mon 1st Jun
Tue 2nd Jun
Wed 3rd Jun
Thu 4th Jun
Fri 5th Jun
Sat 6th Jun
Find more dates
If you are planning to visit this location check our dark sky calendar to find out when is best!
CalendarEvents nearby
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