Halton "Chip" Arp produced a catalogue of 318 "interesting" galaxies and groups of interacting galaxies. He photographed most of these with the Palomar 48inch Schmidt and the Hale 200inch telescope. I've tried to produce photographs of these objects with my much more modest setup :-).

Most of the images were taken through a TMB203 8 inch apochromatic refractor at f/9 with a SXV-H9 camera. Most exposures were an hour or less. Clear nights are at a premium in deepest dankest Somerset!