Hesketh Park Observatory Heritage Open Day 2026
Sunday 20th September 2026 from 11:00am to 16:00pm
Hesketh Park Observatory
Hesketh Park, Southport, Merseyside, PR9 9LN
As part of the Southport Heritage Open Days festival, Hesketh Park Observatory will be open to visitors for three days thanks to the support of the Southport Astronomical Society. This is a rare chance to explore the Grade II listed observatory and see its impressive 19th-century telescope up close. Perfect for anyone interested in local heritage, astronomy, or historic architecture.
Event organiser
Southport Astronomical Society is organising this event
Please contact Southport Astronomical Society directly for more details regarding this event or, if appropriate, contact the event venue.
Email: [email protected]
Website: Southport Astronomical Society
Twitter: @Southport_AS
Facebook: Southport Astronomical Society
Event booking
Event darkness
The below chart shows if and when the skies will be at their darkest during this event. 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.
Sun 20th Sep
Local light pollution
Hesketh Park 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.
Forthcoming events
Below is a list of events at Hesketh Park 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.