Picture taken with QSI583cs camera. 80 exposures of 60 second duration at -20deg centigrade were made with MaxImdl/ccd and focused with focusmax. Images were stacked with CCDSTACK2 and merged. Final processing was done with photoshop cs3. Images were taken on 1/30/2013 in Southern Arizona. Dark frames, Bias frames and sky flats were used in image calibration.
Arthur Miller