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Astro Photos by Bob Samuel

The Pacman Nebula

24 Sep 2018, 10:48 UTC
The Pacman Nebula
(200 words excerpt, click title or image to see full post)

This is a bicolour narrowband image of NGC281, the Pacman nebula, captured with 9 x 10min H-alpha frames and 12 x 10min OIII. The “white” parts in the middle of the nebula are where there is some OIII response in addition to H-alpha, and the yellow parts are where there is just H-alpha.

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