NGC281 - Pacman Nebula in Hubble Palette Narrowband (Astronomy Now) Tags: uk longexposure photoshop ninja nebula astrophotography astronomy ha noise deepspace sii cooled cassiopeia oiii deepsky baader nebulosity ngc281 narrowband atik starlightxpress astrotech pacmannebula astrometrydotnet:status=solved at8rc eq8 hubblepalette sequencegeneratorpro qhy5lii astrometrydotnet:id=nova978822