Østervold Observatory [SEP] architect
Hertzsprung and the American astronomer Henry Norris Russell). Around 1950, he developed the UVBYß photoelectric system, which is still in use today.
In the 1950s, the Østervold Observatory was replaced by the Brorfelde Observatory located near the town of Holbæk, it was provided with a very fine meridian circle and a Schmidt camera. It houses a 300 double reflector with a focal depth of 4.9 m.
Building.
The Østervold Observatory is a south-facing, three-winged building, designed by Christian Hansen. The central
Østervold Observatory
Østervold Observatory (or Copenhagen University Observatory; ) is a former astronomical observatory (IAU code 035) in Copenhagen, Denmark owned and operated by the University of Copenhagen (Københavns Universitet). It opened in 1861 as a replacement for the University's old observatory at Rundetårn.
History.
The first astronomical observatory operated by the University of Copenhagen was Rundetårn. It had been inaugurated in 1642 as a replacement for Tycho Brahe's Stjerneborg, but during the early 19th century had become outdated as astronomical instruments grew