The Leo Triplet (or the M66 Galaxy group) is a small group of galaxies that lie approximately 35 million light-years away in the constellation Leo.  This small galaxy group is comprised of three galaxies. M65, M66 and NGC 3628.

http://en.wikipedia.org/wiki/Leo_Triplet

    The second image shows a recent supernova in M65.  The supernova was first reported ont the 21st of March, 10 days before this image was acquired.

ABOUT THE IMAGE

DATE/TIME:  The evening of March 31st, 2013.

CAMERA:  Canon XSI, 450D modified

TELESCOPE:  Celestron C9.25" SCT @ F/6.3

MOUNT:  Celestron CGE Pro.

ISO SETTING:  800

EXPOSURES:  37

EXPOSURE LENGTH:  300sec.

TOTAL EXPOSURE LENGTH:  3hrs 5min.

SUBTRACTIONS: 16 dark frames and 10 bias frames.

CAPTURE: MaximDL

STACKING/PRE-PROCESSING: Deep Sky Stacker

PROCESSING: Photoshop CS3