The historic Mills observatory is the first purpose-built observatory in Britain, with its sole aim to educate and encourage the public’s understanding of science.
The impressive sandstone building stands proud atop Balgay Hill within a wood on Dundee city centre’s outskirts. It boasts fantastic views over the River Tay from its dome and balcony areas.
Join the experienced and friendly staff as they give you a guided tour of fascinating objects seen through their range of telescopes.
Admission is free, except for selected events, and there is no need to book a visit; simply drop in! An excellent experience for everyone!
Mills Observatory is also used as a meeting venue for the Dundee Astronomical Society.
Location events organiser
Mills Observatory organises events at this location
Please contact Mills Observatory directly with any enquiries relating to visiting this location
Email: [email protected]
Website: Mills Observatory
Twitter: @MillsObs
Facebook: Mills Observatory
Weather forecast
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10/07/26
20° 5% -
10/07/26
19° 5% -
10/07/26
18° 6% -
11/07/26
17° 10%
Weather forecast for Dundee (1.7 miles away) updated 10/07/26 at 06:01. Powered by Met Office data.
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. 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 10th Jul
Sat 11th Jul
Sun 12th Jul
Mon 13th Jul
Tue 14th Jul
Wed 15th Jul
Thu 16th Jul
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 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.