Ring Nebula M57 with its faint outer shells

by AMOS_Observatory

Objects in field: Ring Nebula, M 57, NGC 6720, IC 1296

Equipment: GSO 16" f/8 Ritchey-Chretien Truss Tube, ToupTek ATR533M

Integration: 30h 32m 30s

The Ring Nebula M57 is certainly not one of the less frequently imaged objects. Probably because almost any equipment can produce a pleasing result. Things become considerably more challenging, however, when the goal is not only to capture the bright ring itself, but also the extremely faint outer shells. Revealing these structures against the background requires one thing above all: plenty of…