The Clamshell Nebula Sh2-119

Processed using PixInsight with FBPP, SPFC/MGC, SPCC, BXT, NXT, SXT, MAS, NarrowbandNormalization, ImageBlend, PSCM, and Affinity Photo 2.

While SII data is not available for MGC, MCG is crucial for the OIII channel bcause of the degree of stretching required.