152mm A+M Refractor(OfficinaStellare-1200mmF/L) using a CanonEOSII RebelT7i modified UV-IR @ Hutech thru a TeleVue 2.5XPowerMate for an effect of 2960mmFL and doing RAWMonochrome Autosave image thru MaximDL Pro V6.16 as four each of ISO1600-3200-6400-12800-25600 from 67sec to 107sec and Sum stacked .x