Ken, the reason I ask is this thread:
http://www.iceinspace.com.au/forum/s...ad.php?t=29501
So I an trying to understand how you got a 10 min single shot without noise or amp glow. Granted my shots are through an 8" f9 tube but the comparison is interesting to me - any chance you can post at the same size (25%) as my images for a side by side look?