Bayfordbury Observatory
Lower Hatfield Road, Bayfordbury, Hertfordshire, SG13 8LD
Observatory located on the campus of the University of Hertfordshire and accessible to the public during their open evenings which take place once a month between October and March, and also community events throughout the summer.
Location events organiser

Bayfordbury Observatory organises events at this location
Please contact Bayfordbury Observatory directly with any enquiries relating to visiting this location
Email: [email protected]
Website: Bayfordbury Observatory
Twitter: @BayfordburyObs
Facebook: Bayfordbury Observatory
Weather forecast
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15/05/26
12° 11% -
15/05/26
11° 7% -
15/05/26
11° 6% -
16/05/26
8° 5%
Weather forecast for Potters Bar (6.2 miles away) updated 15/05/26 at 06:01. Powered by Met Office data.
Local light pollution
Bayfordbury Observatory is estimated to have light pollution levels similar to a suburban 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.

Fri 15th May

Sat 16th May

Sun 17th May

Mon 18th May

Tue 19th May

Wed 20th May

Thu 21st 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 Bayfordbury 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.