I had a couple of hours of pretty good meridian seeing the other night and put it to good use with nearly 2hours of clean guiding. I was surprised how far out the nebulosity of the main galaxy goes as can be seen well in this image
http://thebigfoto.com/wp-content/upl...messier-83.jpg Before compressing for upload the nebulosity at the bottom and over near the two small galaxies is quite visible. Cropped and reorientated for a change