M57 in Ha, R, G, B with outer shell

by Chris Plonski

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

Equipment: Astro-Tech AT8RC, ZWO ASI1600MM Pro

Integration: 3h 26m

Reprocessed M57 from data I captured in July 2019 showing some of the very dim outer shell