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File:NGC 281, the 'Pacman Nebula'.jpg - Wikipedia
NGC 281 - Wikipedia
NGC 281 Pacman Nebula Ha+RGB | Foto di Stelle
NGC 281 – Pacman Nebula – astrophotomannheim
The 'Pacman Nebula' - NASA Science
NGC 281. Pacman Nebula in Cassiopeia
Astronomers Do It In The Dark - NGC 281 - The PacMan Nebula in HaOIIIRGB - Narrowband Images - Astrophotos captured using narrowband filters such as H-Alpha and/or OIII