https://github.com/davepinch/pinchy.cc/blob/master/content/topics/astronomy/catalogs/messier/messier-54/messier-54.md
Messier 54 (Wikipedia) Messier 54 (also known as M54 or NGC 6715) is a globular cluster in the constellation Sagittarius. It was discovered by Charles Messier in 1778 and then included in his catalog of comet-like objects.
