Orion Nebula (M42) in Hydrogen-alpha - More fun with the Antlia...

Orion Nebula (M42) in Hydrogen-alpha - More fun with the Antlia 3nm Ha filter on the William Optics SpaceCat 51 and ZWO ASI1600MM-Pro. Notes: 55 x 240-second stacked subs of M42 and surrounding clouds of dust and atomic hydrogen.