You've certainly picked up a lot of faint outer structure from this super interesting galaxy Greg, well done. That one is on my todo list as well, it's a lovely interacting galaxy.
If I should say something it would be that there is still more dust detail in the bright core area, the dark pattern extends right across the core from one side to the other, like Cen A. Maybe it's possible to enhance it, or is the core already very bright in the raw data? (I don't know as I've never tried imaging this galaxy) Hope you don't mind
