Sh2-240, also known as LBN 762, is a bright emission nebula located in the constellation of Cassiopeia. It is part of a larger molecular cloud complex and is approximately 1,000 light-years away from Earth. The nebula is characterized by its vivid colors, which are produced by ionized gases and the presence of young, hot stars. The nebula is often studied by astronomers to understand star formation processes. Sh2-240 contains several regions of active star formation, making it an important object for research in the field of astrophysics. Its intricate structure and dynamic environment provide insights into the life cycle of stars and the evolution of interstellar matter.