Nice image, Albert. I can compare my visual sketch of 1 Feb 2011 to your image and see that I saw it "just about right" including the "teardrop" extension to the right, and the "hollow". (Of course with zero fine detail) 8-inch f/6 RFT at 45x, UHC and O-III filters, from my dark-ish site southeast of Hollister CA. Bob Ayers -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.