The open cluster M 52, NGC 7635 a.k.a. the Bubble Nebula, and NGC 7538 are framed in this astrophoto.

Date: August 1, 2011
Constellation: Cassiopeia and Cepheus
Location: Dominion Astrophysical Observatory, Victoria, BC
Optics: Tele Vue NP-127is, f/5.2, used with field corrector
Mount: Paramount ME, guided using PhD
Camera: Hutech modified Canon EOS 5D Mark II
Exposure: 60 light frames of 90 seconds, ISO 800
Processing: Light frames calibrated with dark frames in ImagesPlus. Light frames normalized and combined using MinMax Excluded.