10 - 10 min. frames with the SBIG ST-8300M (monochrome) CCD camera at -20C. Baader 2" UV/IR filter. Telescope configuration: TEC-140 (980mm, f/7) with the AP 27TVPH .75x focal reducer, yielding 806mm, f/5.76 and an image scale of 1.38 arc-seconds/pixel. Mount: Losmandy G11 w/Gemini. Focused using a Bahtinov focus mask. Post processing: 24 dark frames; calibrated, aligned, combined and DDP applied in ImagesPlus 3.82 (Auto Image Set Processing). Curves in Nebulosity2. Image cropped from original of 3352 x 2532 to 1600 x 1200.

(See next for uncropped version.)

20100322_M66-M65_Comb-ddpcrvadjcrp.tif