ScienceDownEast | ScienceDownEast Astrophotography | Nebulae | NGC 281 Pacman Nebula | IC 1590 (Pacman Nebula cluster)
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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 20Ã30 arcmin sized nebulosity is also associated with open cluster IC 1590, several Bok globules and the multiple star, B 1. It collectively forms Sh2-184, spanning over a larger area of 40 arcmin. A recent distance from radio parallaxes of water masers at 22 GHz made during 2014 is estimated it lies 2.82±0.20 kpc from us. Colloquially, NGC 281 is also known as the Pacman Nebula for its resemblance to the video game character.
[Source: Wikipedia, en.wikipedia.org/wiki/NGC_281]
Total image time was 45 minutes.
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 20Ã30 arcmin sized nebulosity is also associated with open cluster IC 1590, several Bok globules and the multiple star, B 1. It collectively forms Sh2-184, spanning over a larger area of 40 arcmin. A recent distance from radio parallaxes of water masers at 22 GHz made during 2014 is estimated it lies 2.82±0.20 kpc from us. Colloquially, NGC 281 is also known as the Pacman Nebula for its resemblance to the video game character.
[Source: Wikipedia, en.wikipedia.org/wiki/NGC_281]
Total image time was 45 minutes.
| Moon Phase | Full Moon | ||||||||||
| Camera | ToupTek ATR2600C | ||||||||||
| Optics | Skywatcher Esprit 120ED, 840 mm focal length, f/7 (120 mm aperture, APO triplet) | ||||||||||
| Filter | Triad Quad | ||||||||||
| Binning | 1x1 | ||||||||||
| Date | 2025-10-07 | ||||||||||
| PixInsight Processing |
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