2nd attempt at Perseus Double Cluster with that tube.
Gear: Olympus E-PL6 with Skywatcher 130PDS and SWCC at 600mm/4.62 and dydimium filter on Omegon EQ-300 tracking RA
Capture: 22 lights × 20s × 2000 ISO, master bias, at 1.28"/px
Site: deep country 26km from Limoges, France
Processing: Regim 3.4, Fotoxx 12.01+