NGC 457
the Dragonfly Cluster in Cassiopeia


10.1'' reflector    Mallincam DS432cTEC with 0.5 focal reducer
Live-stacked frames = 1, Exposure = 487 msec, Gain = 250/250


Also known as Caldwell 13, the Dragonfly Cluster is an open star cluster about 7900 light years away. The two brightest stars toward the bottom of the cluster are Phi Cassiopeia (magnitude 5) and HD 7902 (magnitude 7).

North is at 11 o'clock, East at 8 o'clock