Galaxies NGC 3718, NGC 3729 and group HCG 56 in Ursa Major

HCG 56 (Hickson Compact Group 56) is comprised of 5 galaxies at magnitudes 15-16.

11 x 4-minute, manually guided exposures at f/4 and ISO 1600. Modified EOS 600D & Revelation 12" Newtonian reflector telescope.

Registered and stacked using DeepSkyStacker; curves adjusted in Canon Photo Professional; noise reduction via Cyberlink PhotoDirector.

Done