The Leo Triplet (also known as the M66 Group) is a small group of galaxies about 35 million light-years away in the constellation Leo.
This galaxy group consists of the spiral galaxies M65, the M66, and the NGC 3628 (WIKI)

Imaged with the 16" f3.75 Dream Astrograph.
Apogee Alta U-16M camera.

Luminance for 3:00 HRS (BIN 1)

RGB 30 min per channel

Total of 4:30 hrs

Imaged from Tivoli farm in Namibia May 2015.