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