NGC 281 is an H II region in the constellation of Cassiopeia. It includes the open cluster IC 1590, the multiple star HD 5005, and several Bok globules. Colloquially, NGC 281 is also known as the Pacman Nebula for its resemblance to the video game character. The distance from earth is estimated about 7500 light-years.
Telescope: RCOS 14.5" f/8
Mount: ASA DDM85
Detector: Apogee U16M
Filters: Astrodon Gen 2, 3nm/5nm Narrowband
Exposures: Ha:OIII:LRGB 600:640:180:180:180:180 min
Observatory: ROSA, France