The Pacman Nebula or NGC 281, IC 11 or Sh2-184 is a bright emission nebula in the constellation Cassiopeia. At the centre of the nebula is an open star cluster with the catalogue number IC 1590. The nebula is located about 9'500 light years from Earth. The diameter of the nebula is about 96 light years.
Source: NGC 281
Image on Astrobin: https://www.astrobin.com/zdko7v/
Image in Instagram: https://www.instagram.com/p/Cyje5SPscqw/?hl=de&img_index=1
Setup
Main Deep-Sky Setup
Telescope / Camera Lens
UNC Newton 200/1000
Camera
QHY 294M Pro
Mount
Skywatcher EQ6-R pro
Filter
Ha & RGB
Integration Time
RGB: 164 x 240 s = 10 h 56 min
Ha: 107 x 300 s = 8 h 55 min
Total: 19 h 51 min
Comments
Ha and RGB combination was done in Adobe Photoshop.
Type of Main Object
Emission Nebula
Constellation
Cassiopeia
Observation Site
Goldau, CH
Bortle Class 4
Date
6. - 11. September 2023
