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M 11 Open Cluster in Scutum

M11

 

M11 aka Wild Duck Cluster or NGC 6705 is an open cluster in the constellation Scutum. It's one of the most compact of the known open clusters. It's age is estimated at 250 million years and it's distance about 5000 light years.

Image data: RGB (R 8x10m, G 8x10m, B 10x10m); seeing 0.8-1.2 arcsec, 80cm f/7 Astrooptik Keller corrected cassegrain, FLI Proline 16803, Baader Filters, Prompt 7 CTIO Chile, robotic data acquisition, processing: Volker Wendel

Last modified on Sunday, 11 October 2015 21:49

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