5 - 5 min. exposures at Gain 1, Offset 100. TEC-140 (980mm, f/7) and no focal reducer, yielding 980mm, f/7. Q453HR color CCD camera from CCD-Labs. No darks, no bias frames and no flat frames applied. Post processing: Aligned, combined, DDP and color balance in ImagesPlus 3.75; curves and color adjustment in Nebulosity2. Final contrast and slight sharpening in ThumbsPlus. Image left uncropped to show galaxy in upper left of center.

20090526_M13_CombDDPCrv.bmp