Rosette Nebula

4 hours dual narrowband (Svbony 220 filter) 60s subs @ 100 gain
darks/flats/darkflats applied

Skywatcher HEQ5-Pro
Askar 71F w .75x reducer
ZWO EAF
ASI533MC @ -5C
NINA
Phd2 guiding

Images culled using ASTAP
Stacked in Siril as an RGB image, then split the channels and then recombined R (Ha) and B (Oiii) with Pixel Math
Denoising in Graxpert
Color calibration and GHS with Siril
Statistical Stretch/HDR/Curves adjustment with SetiAstroSuite
Star mask from separate Pixel Math combination using different weighting for green channel