ScienceDownEast | ScienceDownEast Astrophotography | Nebulae | NGC 281 Pacman Nebula | Pacman Nebula NGC 281

Pacman Nebula NGC 281
The Pacman Nebula NGC 281 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 about 9200 ly away. Edward Emerson Barnard discovered the nebula in August 1883, describing it as "a large faint nebula, very diffuse.

A total of 4 hours and 40 minutes exposure.

Exposure 14@1200 sec
ISO 1600
Camera Nikon Z7 [8856 x 5504]
Optics Skywatcher Esprit 120mm Refractor
Filter Radian Triad Ultra Quad-Band Narrowband Filter
Guiding Phd2 using a ZWO 224MC on an Orion 60x240mm Guide scope
Controller Images taken using Kstars on an Odroid-N2 (Raspberry Pi clone)
Field of View 2.08 x 1.37 deg
Location Lower Sackville, Nova Scotia.
Date 2020-10-30
PixInsight Processing
WeightedBatchPreprocessing Script
NoiseXTerminator
Dynamic Crop
Automatic Background Extractor
ColourCalibration (both saturation and hue)
MultiscaleLinearTransform
HistogramTransform
CurvesTransformation



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