Cassiopeia is a beautiful and distinctive constellation in the northern sky, named after a vain queen in Greek mythology. It is recognizable by its distinctive W or M shape, depending on its orientation in the night sky. Cassiopeia is most prominent in the fall and can be easily located using the North Star as a reference point. The constellation is home to a number of interesting deep-sky objects, including the famous supernova remnant Cassiopeia A. Its bright stars and interesting lore make Cassiopeia a favorite among stargazers and astronomers alike.