Messier 93 is an open star cluster located in the constellation Pyxis. It was discovered by the astronomer Pierre Méchain in 1781 and later included in the Messier catalog by Charles Messier. The cluster is approximately 3,600 light-years away from Earth and contains around 100 stars. The stars in Messier 93 are relatively young, with an estimated age of about 1.5 billion years. The cluster spans about 20 light-years in diameter and is best observed with binoculars or small telescopes. Its bright stars make it a popular target for amateur astronomers.