Letchworth Observatory
Standalone Farm, Letchworth Garden City, Hertfordshire, SG6 4JN
Run by the Letchworth & District Astronomical Society the observatory is located on the edge of Letchworth Garden City away from the worst of the light pollution. The observatory hosts frequent public stargazing events throughout the year.
Location events organiser
Letchworth & District Astronomical Society organises events at this location
Please contact Letchworth & District Astronomical Society directly with any enquiries relating to visiting this location
Email: [email protected]
Website: Letchworth & District Astronomical Society
Twitter: @LetchworthAstro
Facebook: Letchworth & District Astronomical Society
Weather forecast
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17/05/25
18° 0% -
17/05/25
11° 4% -
18/05/25
9° 8% -
18/05/25
9° 9%
Weather forecast for Letchworth Garden City (1.0 miles away) updated 17/05/25 at 04:02.
Local light pollution
Letchworth Observatory is estimated to have light pollution levels similar to an urban 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 17th May
Sun 18th May
Mon 19th May
Tue 20th May
Wed 21st May
Thu 22nd May
Fri 23rd May
Find more dates
If you are planning to visit this location check our dark sky calendar to find out when is best!
CalendarForthcoming events
Below is a list of events at Letchworth Observatory. View these events on our calendar, add them to your calendar or Google Calendar.
Stay and gaze nearby
Stay at one of these stargazing-friendly accommodation providers.