Wow Brian, lot's to digest in here! Currently printed and studying. Thank you, Jimmy Ray ----- Original Message ----- From: "Brian Skiff" <bas@xxxxxxxxxx> To: <az-observing@xxxxxxxxxxxxx> Sent: Sunday, July 15, 2007 14:12 Subject: [AZ-Observing] Re: Flats and Bias > Jeff and Mike have mentioned most of the various trade-offs > with regard to flat-field calibration images.... -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.