Astronomische_Gesellschaft_Katalog
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.
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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