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M6 (NGC 6405) & M7 (NGC 6475)
The Butterfly Cluster (M6 and as NGC 6405) – in the picture zoomed above – is an open cluster of stars in the southernconstellation of Scorpius. Its name derives from the vague resemblance of its shape to a butterfly. Estimates of distance 1,590 light-years, giving it a spatial dimension of