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Description
Description
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 20×30 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. (9200 ly.) from us. Colloquially, NGC 281 is also known as the Pacman Nebula for its resemblance to the video game character.(Source: Wikipedia)
Acquisition
Date 2021 September 7 - October 4Bortle scale 5 to 6Exposure 20h30H-alpha 66 x 300sOIII 61 x 300sSII 89 x 300sAcquisition
Equipment
Facility Peepoodo Remote Observatory Location Graz, AustriaTelescope Lacerta Newton 200/800Imaging cam ZWO ASI 1600MM CoolCorrector GPU Optics coma corrector 1:1 Mount SkyWatcher AZ-EQ6 ProFilters Optolong H-Alpha 7nm Optolong OIII 6,5nm Optolong SII 6,5nmGuiding cam ZWO ASI 120MM MiniGuiding SkyWatcher Finder 8x50Accessories Lacerta Flatfield box Lacerta MFOC Processing Gimp, SirilAutomation Stellarmate, Ekos & KstarsEquipment
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