NGC3628 or the Hamburger Galaxy is one of the three galaxies, along with M65 and M66 that make up the Leo Triplet. It has a tidal tail (scroll to the left to see the full image) that spans 300,000 light years.
Image Credit: Stefano Cancelli & Paul Mortfield
14 hours of LRGB exposure time. Imaged from SRO in California, U16M CCD Camera, RCOS 16" f8.9 telecope,
