NGC 2204

Open Cluster NGC 2204 (= H VII.13), in Canis Major

Right Ascension 06 : 15.7 (h:m)
Declination -18 : 39 (deg:m)
Distance 8.6 (kly)
Visual Brightness 8.6 (mag)
Apparent Dimension 13 (arc min)

Discovered by William Herschel in 1785.

Open cluster NGC 2204 was discovered on February 6, 1785 by William Herschel, who included it in his catalog as H VII.13. However, in the appendix of his first deepsky catalog, William confused this cluster with H VII.12 (NGC 2360) and erroneously attributed its discovery to his sister Caroline Herschel as of February 26, 1783, which she had listed as entry No. 2.

  • Jean-Claude Mermilliod's WEBDA cluster page for NGC 2204
  • SIMBAD Data of NGC 2204
  • Publications on NGC 2204 (NASA ADS)
  • Observing Reports for NGC 2204 (IAAC Netastrocatalog)
  • NGC Online data for NGC 2204

    Hartmut Frommert
    Christine Kronberg
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    Last Modification: March 11, 2009