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Schmidt-Cassegrain telescope FL 2032mm, Aperture 8mm. Canon 80D mod.
Stacked and stretched.
The Butterfly Cluster (cataloged as Messier 6 or M6, and as NGC 6405) is an open cluster of stars in the southern constellation of Scorpius. Its name derives from the vague resemblance of its shape to a butterfly.
Image at right top corner is a vague resemblance of its shape to a butterfly. The main image is without a line.