Mills Observatory Weekend Open Day (free!)
Sunday 5th October 2025 from 12:30pm to 18:00pm
Mills Observatory
Glamis Road, Balgay Park, Dundee, Angus, DD2 2UB
Join the knowledgeable staff at Mills Observatory for one of their free open weekend days through their winter season (start of October through to the end of March). Observe the Sun through their solar telescope and take in beautiful views over the River Tay and beyond.
Due to the popularity of these events, access to the observatory dome is ticketed. Please book your space via Eventbrite. You can enjoy the rest of the observatory during opening hours without any prior booking.
There are loads of things to see and do, and with free admission and free parking, these events offer a fantastic family day out and excellent value too!
Event organiser
Mills Observatory is organising this event
Please contact Mills Observatory directly for more details regarding this event or, if appropriate, contact the event venue.
Email: [email protected]
Website: Mills Observatory
Twitter: @MillsObs
Facebook: Mills Observatory
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 5th Oct
Local light pollution
Mills Observatory is estimated to have light pollution levels similar to a suburban 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.
Forthcoming events
Below is a list of events at Mills 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.