NGC 891 Silver Silver Galaxy cropped · 2022-11-02

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 (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.

Exposure	50*1200sec
ISO	3200
Camera	Nikon Z7 [8856 x 5504]
Optics	Skywatcher Esprit 120mm
Capture	KStars on an Odroid-N2
Location	Lower Sackville, Nova Scotia.
Date	2022-11-02 - 2022-11-05
PixInsight Processing	Dynamic Background Extractor NoiseXTerminator ScreenTransfer Stretch BlurXTerminator StarXTerminator CurvesTransformation PixelMath