Gottfried Kirch
Gottfried Kirch (or Kirche , or Kirkius ) is a German Astronome , born the December 18th 1639 with Guben in Saxony and dead the July 25th 1710 with Berlin.
This wire of a Cordonnier of Guben starts to work like manufacturing calendar in Saxony and Franconie. It starts to learn astronomy with Iéna then with Dantzig where it studies near Johannes Hevelius (1611-1687). Starting from 1667, always in Dantzig, Kirch makes appear calendars and builds several Télescope S and other instruments optical.
In 1686, Kirch settles with Leipzig. There, it observes large the Comet of 1686 with Christoph Arnold (1650-1695). It meets there also his second wife, Maria Margarethe Winckelmann (1670-1720), which had learned astronomy at Arnold.
In 1688, it invents and cartography a Constellation forgotten today, Sceptrum Brandenburgicum, the sceptre of Brandebourg.
In 1700, Kirch is chosen by Frederic I {{er}} of Prussia (1657-1713) like first astronomer of the royal Company of sciences of Prussia.
Kirch studies star doubles Mizar and discovers the cluster of wild duck (1681) and the globular cluster M5 (May 5th 1702). He also discovers the variability of the Variable of the type Mira Chi Cygni in 1687.
A lunar crater , the crater Kirch, was dedicated to him as well as the Astéroïde (6841) Gottfriedkirch.
Sources
- Messier Catalog: biography
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