Messier 100 is a spiral galaxy located in the constellation Coma Berenices. It is approximately 56 million light-years away from Earth and is part of the Virgo Cluster. This galaxy is notable for its well-defined spiral structure and bright central bulge. Discovered by Henrietta Leavitt in 1781, Messier 100 is classified as a type SA spiral galaxy. It contains a significant number of young stars and star-forming regions, making it an interesting subject for astronomers studying galaxy formation and evolution. Its brightness makes it a popular target for amateur astronomers as well.