NGC 100 is a spiral galaxy located approximately 200 million light-years away in the constellation Andromeda. It is part of the NGC 102 group, which includes several other galaxies. NGC 100 is notable for its bright core and well-defined spiral arms, making it an interesting subject for astronomers. Discovered by William Herschel in 1786, NGC 100 has a visual magnitude of about 13.5, making it faint but observable with larger telescopes. Its structure and composition provide valuable insights into the formation and evolution of galaxies in the universe.