|This article needs additional citations for verification. (March 2014) (Learn how and when to remove this template message)|
The Sternwarte Düsseldorf (a.k.a. Sternwarte Bilk, Sternwarte Charlottenruhe; Bilk Observatory or Düsseldorf-Bilk Observatory in English) in Düsseldorf-Bilk was a private observatory founded in 1843 by Johann Friedrich Benzenberg. The observatory's main feature was a refracting telescope with 1800mm focal length. After Benzenberg's death the observatory was bequeathed to the city of Düsseldorf. It was destroyed by bombing in 1943.
Between 1852–1890, C. Robert Luther discovered 24 asteroids there, from Thetis, discovered on April 17, 1852 to Glauke, discovered February 20, 1890. These asteroids and planetoids are called the 24 Düsseldorf planets. The asteroid 4425 Bilk is named in honour of the observatory.†
Near its original location, a benchmark was erected, displaying the observatory's burnt-out telescope.
|This article about a North Rhine-Westphalian building or structure is a stub. You can help Wikipedia by expanding it.|