I think Rob started this thread before the MOC's were up and we have been having some running discussions on this object. Quite an easy one even from my suburban mag 5.5 skies, with the UHC of course. The object is otherwise invisible. Best views are in my grab and go Orion 80ST at low power where it looks like a much larger ring nebula. Here is an old sketch. I have a newer one that I have not scanned:
http://www.geocities.com/dhumpie/dastro/7293.jpg
Darren