The University of Copenhagen's astronomical observatory in Denmark, completed in 1861 on the site of abandoned seventeenth-century fortifications to replace the university's older, increasingly light-polluted observatory at the Rundetaarn tower, with a three-winged building designed by architect Christian Hansen. Director Heinrich Louis d'Arrest published a catalog of nearly 2,000 nebulae there, and director Bengt Stromgren made pioneering studies of stellar composition; the Central Bureau for Astronomical Telegrams operated from the site during the First World War until 1965. Active observation ended in the 1950s, when the university's astronomical work shifted to Brorfelde Observatory, and the historic building now houses the university's Institute for Science Didactics.
Facts
Observatory Typeformer astronomical observatory 1 Measuresnebulae, cataloguing nearly 2,000 of them 1 Operating Principlea 280 mm refractor telescope, replaced in 1895 by a 360 mm refractor 1 Classification
Observing Band FAQs
Why was the Østervold Observatory built?
It replaced the university's old observatory at Rundetårn.
The Østervold Observatory in Copenhagen opened in 1861 as a replacement for the University of Copenhagen's old observatory at Rundetårn.
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Source Wikipedia: Østervold Observatory
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1. Wikipedia: Østervold Observatory
Lead paragraph, sentence 1
Østervold Observatory (or Copenhagen University Observatory; Danish: Københavns Universitet Astronomisk Observatorium) is a former astronomical observatory (IAU code 035) in Copenhagen, Denmark owned and operated by the University of Copenhagen (Københavns Universitet).
Lead paragraph (location clause)
Østervold Observatory (or Copenhagen University Observatory; Danish: Københavns Universitet Astronomisk Observatorium) is a former astronomical observatory (IAU code 035) in Copenhagen, Denmark owned and operated by the University of Copenhagen (Københavns Universitet).
Lead paragraph, opening clause
It opened in 1861 as a replacement for the university's old observatory at Rundetårn.
History section, d'Arrest catalogue
He used the observatory for his study of nebulas, in 1867 publishing an astronomical catalogue of 1,942 nebulas
Instruments section, original refractor
The original main instrument of the observatory, housed in the dome, was a 280 mm refractor with a focal distance of 4.9 m.
Instruments section, 1895 refractor upgrade
In 1895, this telescope was replaced by a 360 mm refractor with a focal length of 4.9 m and a 200 mm photographic lens
In Group: Optical Observatories of Europe, Lead sentence
Østervold Observatory (or Copenhagen University Observatory; Danish: Københavns Universitet Astronomisk Observatorium) is a former astronomical observatory (IAU code 035) in Copenhagen, Denmark owned and operated by the University of Copenhagen (Københavns Universitet).
Operated By: University of Copenhagen, Article text: operator
Østervold Observatory (or Copenhagen University Observatory; Danish: Københavns Universitet Astronomisk Observatorium) is a former astronomical observatory (IAU code 035) in Copenhagen, Denmark owned and operated by the University of Copenhagen (Københavns Universitet).
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