NGC 6992 and 6960

TS-Optics Doublet SD-Apo 72 mm f/6 - FPL53 telescope, Heq5 mount, TSRed08-72? reducer, Canon 550Da camera (without two filters), a UV/IR filter is placed in front of the reducer, 13 frames at 180 seconds, ISO 800, darks. The corrector is not working well; the backfocus needs to be reduced, waiting for parts.