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 resemblance of its shape to a butterfly.
https://github.com/davepinch/pinchy.cc/blob/master/content/topics/astronomy/catalogs/messier/messier-6/en.wikipedia.org.md
