Home of the Hampshire Astronomical Group the Clanfield Observatory boasts a number of permanently-housed telescopes which can be used by the public during one of their frequent and popular public stargazing sessions.
Location events organiser
Hampshire Astronomical Group organises events at this location
Please contact Hampshire Astronomical Group directly with any enquiries relating to visiting this location
Email: [email protected]
Website: Hampshire Astronomical Group
Facebook: Hampshire Astronomical Group
Weather forecast
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12/07/25
22° 0% -
12/07/25
19° 0% -
13/07/25
18° 0% -
13/07/25
16° 0%
Weather forecast for Horndean (1.8 miles away) updated 12/07/25 at 12:02.
Local light pollution
Clanfield Observatory is estimated to have light pollution levels similar to a 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.
Sat 12th Jul
Sun 13th Jul
Mon 14th Jul
Tue 15th Jul
Wed 16th Jul
Thu 17th Jul
Fri 18th Jul
Find more dates
If you are planning to visit this location check our dark sky calendar to find out when is best!
Calendar