Astrobin: https://www.astrobin.com/rz6o7f/
Astrometry: https://nova.astrometry.net/user_images/5820815#annotated
M42 region in SHO palette, subframes recorded among December 2021 and February 2022.
William Optics Redcat 51 on Skywatcher EQM35,
ASI 1600 mm pro at -20C, Gain 173
From Livorno (IT) Bortle 6 sky