NGC 1931 is an open star cluster located in the constellation of Auriga. It is approximately 2,500 light-years away from Earth and is known for its bright stars and surrounding nebula. The cluster is relatively young, with an estimated age of around 3 million years. The cluster is often studied for its stellar formation processes and the dynamics of star clusters. NGC 1931 is also associated with the LBN 762 nebula, which adds to its visual appeal in astronomical observations. Its distinct features make it a popular target for both amateur and professional astronomers.