van den Bergh 49 (* ome Ori, HD 37490 and many others) is the star and faint blue reflection nebula at the center of the image. Parts of the cloud further out are designated as LBN 894 and DG 70. vdB 49 is located between the head of Orion and M42.
Luminance – 33x600s – 330 minutes – binned 1x1
RGB – 12x300s – 60 minutes each – binned 2x2
510 minutes total exposure – 8 hours 30 minutes
Imaged October 10th and 14th and November 2nd and 3rd, 2018 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.
LRGB - https://www.flickr.com/photos/dcrowson/30798984937/sizes/l
See my refractor image here - https://www.flickr.com/photos/dcrowson/26728976546.