Open star cluster M6 in Scorpius

by: S.Guisard/Novapix
Reference: a-aou64-05006
Date: 2011-03-24

The open star cluster M6, (NGC 6405), is also known as the Butterfly Cluster. M6 is visible to the naked eye in the constellation Scorpius. M6 is variously estimated as between 50 and 100 million years old.

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