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 2. Oktober 18-21 Saturn+Jupiter

Wednesday 3. Oktober 18-21 Mars+Saturn

Tuesday 9. Oktober 18-21 Saturn+Jupiter

Wednesday 10. Oktober 18-21 Mars+Saturn

Friday 12. Oktober 18-24 Mars+ Saturn

Monday 15. Oktober 18-21 The Moon+Saturn

Tuesday 16. Oktober 18-21 The Moon+Mars

Wednesday 17. Oktober 18-21 The Moon+Mars

Thursday 18. Oktober 18-21 The Moon+Saturn

Tuesday 23. Oktober 18-21 The Moon+Mars

Wednesday  24. Oktober 18-21 The Moon+Mars

Tuesday 30. Oktober 18-21 Mars+Saturn

Wednesday 31. Oktober 18-21 Mars+Saturn

Tuesday 6. November 18-21 Mars+Albireo

Wednesday 7. November 18-21 Mars+Albireo

Tuesday 13. November 18-21 Mars+The Moon

Wednesday 14. November 18-21 Mars+The Moon

Tuesday 20. November 18-21 Mars+The Moon

Wednesday 21. November 18-21 Mars+The Moon

Tuesday 27. November 18-21 Albireo+The Plejads

Wednesday 28. November 18-21 Albireo+The Plejads

Tuesday 4. December 18-21 Mars+The Plejads

Wednesday 5. December 18-21 Mars+The Plejads

Tuesday 11. December 18-21 Mars+The Moon

Wednesday 12. December 18-21 Mars+The Moon

Tuesday 18. December 18-21  The Moon+The Orion Nebula

Wednesday 19. December 18-21 The Moon+The Orion Nebula