Folks This has taken some time to get to this point - with cosmetic correction featuring large to get rid of column defects in individual frames... There is a lot of detail here for a small number of used frames - 5 x R, 6 x G, 5 x B all 600s subs taken in Feb 2020. Pier 3 consists of ASA 12n F/3.6 Corrected Newtonian on a Paramount ME, using a FLI PL-16803 Mono CCD camera1x1 Binned with FLI CFW5-7 7 Position Filter wheel.