I did deep sky with it.... Lets see ...... Oh here's one...
www.billionsandbillions.com/centaurus_a.html
I did try using an ap reducer (27tvph .75 and .67). But because the field was very flat in the first place and the ap reducers have a slight flattening effect, they induced field curvature. I have a vc200 reducer that I was going to try, but never got around to it.