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.

NGC 891 Silver Silver Galaxy
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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
PixInsight Processing
Dynamic Background Extractor
NoiseXTerminator
ScreenTransfer Stretch
BlurXTerminator
StarXTerminator
CurvesTransformation
PixelMath