Hi Howard,
very nice object indeed. A really brilliant one. Nice detail in your drawing Howard. A bit surprising to me that the small knot appears that faint in your drawing yet - in DSS and the following great pic it appears more bright in comparison to the other region of the galaxy...
http://apod.nasa.gov/apod/image/1201/n3239_block.jpg
When i tried this galaxy it had been so nice and surprising to me that i made a sketch of it too.
arp263.jpg
Shape of the bigger region was hard to catch. Observation was with 12" at 5000 ft during a very clear night of 7m0+ . Mediocre Seeing.
Just like you i just concentrated on the Arp itself - some of the companions should have been visible in 12" too i guess.
CS!
Norman