Ken that is an amazing image of my favorite galaxy.
I prefer to call it Caroline's galaxy because Caroline Herschel found it. She also helped her brother catalogue 2500 DSO.
The distance to her galaxy (the average of 4 recent measurements) is 11.7 million light years. (3.6 Mpc)
http://nedwww.ipac.caltech.edu/level5/NED1D/ned1d.html