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| Alternative names | Observatory Sonnenborgh |
|---|---|
| Organization | University of Utrecht |
| Observatory code | 015  |
| Location | Utrecht, Netherlands |
| Coordinates | 52°05′12″N 5°07′48″E / 52.08667°N 5.13000°E |
| Established | 1853 |
| Website | www |
  Location of Sonnenborgh Observatory | |
 Related media on Commons | |
Sonnenborgh Observatory (Dutch: Museum Sterrenwacht Sonnenborgh; Sonnenborgh museum & sterrenwacht; obs. code: 015) is an astronomical observatory and museum open to the public, located in Utrecht, Netherlands. It is located in one of the four stone forts built by Charles V as defense buildings for Utrecht. In 1639 the fort was expanded with an academic herbal garden by members of Utrecht University, three years after its founding. The garden was moved in 1724 to the current location of the Oude Hortus. During reconstruction works in 2001 remains were found of the first chemical laboratory in Utrecht, third in the world. The lab was led by the first chemistry-only professor in Utrecht Johann Conrad Barchusen.
The observatory was founded in 1853 as a university observatory (of the University of Utrecht)[1] and from 1854 until 1897 it was the first home of the Royal Dutch Meteorological Institute. After the meteorological institute moved to de Bilt it was operated again by Utrecht University. In 2013 its main function became a museum, organising viewing evenings for amateur astronomists. It is located on, what is now, the only surviving bastion of the city walls of Utrecht.
In 2021, The European Physical Society (EPS) named it as an official EPS Historic Site.[2][3]
- ^ "Overnight stay at Sonnenborgh top prize in renovation raffle | DUB". dub.uu.nl. Retrieved 2023-12-02.
- ^ "Sonnenborgh Utrecht inaugurated as new EPS Historic Site - European Physical Society (EPS)". www.eps.org. Retrieved 2023-12-02.
- ^ "Recognition of Sonnenborgh's historic importance". Utrecht University. April 9, 2021.