The Observatory

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Used by the University of Copenhagen until 1861, the Round Tower is Europe’s oldest functioning astronomy observatory. It is now regularly used by amateur astronomers and others who wish to explore the sky. It is included in the ticket to visit the Observatory.

On top of the Round Tower, there has been several different observatories. The latest is from 1929. The observatory is 6.75 metres high and 6 metres in diameter and contains a refracting telescope with 80–450 x magnification.

Read More about the history of the Round Tower Observatory

Opening hours

Tuesday 6. March 18-21 Mercury+Venus
Wednesday 7. March 18-21 Mercury+Venus
Tuesday 13. March 18-21 Mercury+Venus
Wednesday 14. March 18-21 Mercury+Venus

Sunday 1. Juli 13-16 The Sun
Sunday 8. Juli 13-16 The Sun
Sunday 15. Juli 13-16 The Sun
Sunday 22. Juli 13-16 The Sun
Friday 27. Juli 20-23:30 Mooneclipse
Sunday 29. Juli 13-16 The Sun
Sunday 5. August 13-16  The Sun
Sunday 12. August 13-16 The Sun