Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  IC 1590  ·  NGC 281
NGC 281 Pacman Nebula (revision), InsightAstro
NGC 281 Pacman Nebula (revision)
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NGC 281 Pacman Nebula (revision)

NGC 281 Pacman Nebula (revision), InsightAstro
NGC 281 Pacman Nebula (revision)
Powered byPixInsight

NGC 281 Pacman Nebula (revision)

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Revision- contrast, color balance, better stars.
NGC 281
IC 11 or Sh2-184 is a bright emission nebula and part of an H II region in the northern constellation of Cassiopeia and is part of the Milky Way's Perseus Spiral Arm. This 20×30 arcmin sized nebulosity is also associated with open clusterIC 1590, several Bok globules and the multiple star, B 1. It collectively forms Sh2-184,[3] spanning over a larger area of 40 arcmin.[4] A recent distance from radio parallaxes of water masers at 22 GHz made during 2014 is estimated it lies 2.82±0.20 kpc. (9200 ly.) from us.[5] Colloquially, NGC 281 is also known as the Pacman Nebula for its resemblance to the video game character.

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NGC 281 Pacman Nebula (revision), InsightAstro