Small Sagittarius Star Cloud
The Small Sagittarius Star Cloud ( also known as Messier 24 and IC 4715 ) is a star cloud in the constellation of Sagittarius , approximately 600 light years wide , which was discovered by Charles Messier in 1764 . 
<triplet> Small Sagittarius Star Cloud <subj> Sagittarius <obj> constellation <subj> Charles Messier <obj> discoverer or inventor <triplet> Sagittarius <subj> constellation <obj> instance of