NGC 281 – The Pacman Nebula

NGC281 is a bright emission nebula and in the constellation of Cassiopeia. It is also known as the Pacman Nebula because it resembles the video game character.

Exposure  • 12¾ hours (76 X 10 minutes) @ -15°C & -20°C
 • Dusk flats
 • Camera position angle: 352.4°
Processing  • With PixInsight:
   ☞ Calibration and star registeraton
   ☞ Subframe integration
   ☞ Histogram transformation
   ☞ Background noise reduction
 • Final tweaking in Photoshop CS6
Date and Location  • August 19 & 24, 2019
 • October 21 & 24, 2022
 • Louisa County, Virginia, USA
Equipment
 • TMB-130SS APO refractor @ f/7 on an A-P 1200 mount
 • ZWO ASI-1600MC Pro color camera
 • Guided with an ST-402 camera on a 60mm f/5 scope
 • Imaging and autoguiding with MaxIm DL 6.20
 • Automated image acquisition with ACP Observatory Control


Updated May 23, 2023