ScienceDownEast | ScienceDownEast Astrophotography | Galaxies | NGC 891 Silver Silver Galaxy | NGC 891 Silver Silver Galaxy cropped

NGC 891 Silver Silver Galaxy cropped

NGC 891 (also known as Caldwell 23, the Silver Sliver Galaxy, and the Outer Limits Galaxy) is an edge-on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda. It was discovered by William Herschel on October 6, 1784. [Wikipedia]

16.6 hours total integration.

Exposure50*1200sec
ISO3200
CameraNikon Z7 [8856 x 5504]
OpticsSkywatcher Esprit 120mm
CaptureKStars on an Odroid-N2
LocationLower Sackville, Nova Scotia.
Date2022-11-02 - 2022-11-05
ProcessingProcessed in PixInsight.
Dynamic Background Extractor
NoiseXTerminator
ScreenTransfer Stretch
BlurXTerminator
StarXTerminator
CurvesTransformation
PixelMath



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