M42 -- 800 s_crop

Starting at the top of the image:

 

NGC 1981 (Open Cluster)

NGC 1977 (Running Man Nebula)

M43 (nebula)

M42 (Orion Nebula)

NGC 1980 (Open Cluster with nebula)

 

100 x 8-s exposures, ISO 2000, f/7.1, 250 mm, combined in DeepSkyStacker. Nikon D800 mounted on a Sky-Watcher Star Adventurer.

Done