National nature reserve and part of the Queen Elizabeth Country Park, this observing site is the highest point in Hampshire and benefits from a rural location and good dark skies.
Local light pollution
Butser Hill 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.
Thu 4th Sep
Fri 5th Sep
Sat 6th Sep
Sun 7th Sep
Mon 8th Sep
Tue 9th Sep
Wed 10th Sep
Find more dates
If you are planning to visit this location check our dark sky calendar to find out when is best!
Calendar