Sh 2-5, also known as Sharpless 2-5, is a bright emission nebula located in the constellation of Cassiopeia. It is part of a larger region of star formation and is approximately 2,000 light-years away from Earth. The nebula is characterized by its vibrant colors, which are produced by ionized gases, primarily hydrogen. This nebula is often studied by astronomers to understand the processes of star formation and the dynamics of interstellar matter. Sh 2-5 is also associated with a cluster of young stars, which contribute to the illumination of the surrounding gas and dust, making it a fascinating object for both amateur and professional astronomers.