Owl Cluster (NGC 457)
The Owl Cluster is a bright open star cluster located approximately 7,922 light-years away in the northern constellation Cassiopeia. With an apparent magnitude of 6.4,… Read More »Owl Cluster (NGC 457)
NGC 457
Cassiopeia’s W
The constellation Cassiopeia has long been known by its popular nickname, the W constellation. Its five brightest stars form the distinctive shape of a W… Read More »Cassiopeia’s W