Technical details:
Location / Date: Outside of Ramnäs, Västmanland, Sweden / 2014-April
Optics: Skywatcher Explorer 190MN, Skywatcher 102mm Guide-Scope
Mount: Skywatcher NEQ6 PRO Synscan
Camera: Canon EOS 5D Mark III (Unmodded), Skywatcher Synguider (Stand alone autoguider)
Exposure: 32 x 270 seconds, all shot on ISO 3200 (cumulative exposure time is 2 hours and 8 minutes)
Processing: Pixinsight and Photoshop
Image details:
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, M66, and NGC 3628. (Information from Wikipedia)