IC 59 (bluish, below center), IC 63 (bright red, upper right ), and Gamma Cassiopeiae.
Credit: NOAO/AURA/NSF
One of two arc-shaped nebulae (the other is IC 63) that are associated with the extremely luminous star Gamma Cassiopeiae. IC 59 lies about 20' to the north of Gamma Cas and is primarilyy a reflection nebula, appearing blue in photographs because of scattered starlight.