152mm A+M Refractor(OfficinaStellare-1200mmF/L) using a TeleVue 2XPowerMate with a BreakThrough X4-UV 49mm filter with step-rings to 48mm , and a CanonEOSII RebelT7i modified UV-IR @ Hutech . I did MaximDL Pro V6.16 RAWMonochrome Autosave Sequences , one 67secISO1600-3200-6400-12800 , and two 87secISO800-1600-3200-6400-12800 , and two 107secISO800-1600-3200-6400-12800 , and two 127secISO800-1600-3200-6400-12800 .... . I Sum stacked each Sequence separately and then Sum stacked all the finished Sequences to one FITS . Then "DigitalDevelopment" and other commands . I can't get the finished FITS to 'solve' though . xx An extra un-finished FITS that will 'solve' , ? .x