LBN 878 is reddish nebula at the right (western) edge of Barnard 35, the large dark nebula at the center of the image. These are located in the head of Orion which is designated as Sharpless 264.
Luminance – 18x600s – 180 minutes – binned 1x1
RGB – 12x300s – 60 minutes each – binned 2x2
360 minutes total exposure – 6 hours
Imaged from Dardenne Prairie, Missouri (a red zone) on December 6th, 2013, March 12th and October 20th, 2018 with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm. I lost and found the 2013 data so it did take nearly five years to complete this image.
LRGB - https://www.flickr.com/photos/dcrowson/43660831840/sizes/l