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| Catalogue and alternative designations |
NGC 281, pacman nebula |
| Type | Emission Nebula |
| Position | 00 52 59.3, +56 37 19 |
| Constellation | Cassiopeia |
| Camera and Telescope | QSI 583 WSG, 20cm Maksutov Newtonian courtesy Dean Salman |
| Focal Ratio | F4 |
| Exposure Details | 320 minutes Hydrogen Alpha with Astrodon 3nm filter. HaRGB had R=170m, G=B=130m |
| Description | NGC
281 is an emission nebula in
Cassiopeia and resides in the
Perseus spiral arm. The
popular name comes from its
resemblance to the video game
character. It was
discovered in 1883 by Barnard
and is visible in amateur
telescopes from a dark sky
location. It is 35 arc
minutes across and about 9,500
light years distant.
|