The Astronomische Gesellschaft is an astronomical society established in 1863 in Heidelberg, the second oldest astronomical society after the Royal Astronomical Society. In 1882, the Astronomische Gesellschaft founded the Central Bureau for Astronomical Telegrams at Kiel, where it remained until during World War I when it was moved to the Østervold Observatory at Copenhagen, Denmark, to be operated there by the Copenhagen University Observatory. Around the turn of the 20th century the A.G. initiated the most important star catalog of this time, the Astronomische Gesellschaft Katalog (AGK). More information...
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