The Astronomische Gesellschaft Katalog (AGK) is an astrometric star catalogue of the Northern hemisphere. It was published in 3 versions from 1890 until 1975, named AGK1, AGK2 and AGK3.
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This article is an automated import of the Wikipedia article "Astronomische Gesellschaft Katalog", available at https://en.wikipedia.org/wiki/Astronomische_Gesellschaft_Katalog . Text is licensed under CC BY-SA 4.0.