“NGC 281 is known informally as the “Pacman Nebula” because of its appearance in optical images. In optical images the “mouth” of the Pacman character appears dark because of obsuration by dust and gas…”
NASA Administrator 7/30/2015
This was imaged through the Takahashi 4 inch refractor. It is a stacked composite of 52 thirty minute narrowband images (26 hours).