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Astronomische Gesellschaft Katalog

(AGK)
(19th/20th century astrometric catalog)

The Astronomische Gesellschaft Katalog is a 19th/20th century astrometric catalog produced by the Astronomische Gesellschaft, a German astronomy society. The original version was begun in the 19th century and two subsequent versions have been produced, the three designated AGK1, AGK2, and AGK3, with more than 200,000 stars Their positions are tied to a shorter list of 20,000+ reference stars, designated AGKR.


(catalog,stars,astrometry)
Further reading:
http://en.wikipedia.org/wiki/Astronomische_Gesellschaft_Katalog
http://en.wikipedia.org/wiki/Astronomische_Gesellschaft
PrefixExample  
AGKAGK +81 266or "AG"
AGKRAGKR 1017subset of reference stars

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