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
Processing	Processed in PixInsight.	Dynamic Background Extractor NoiseXTerminator ScreenTransfer Stretch BlurXTerminator StarXTerminator CurvesTransformation PixelMath

Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Galaxies/NGC-891&image=NGC-891-Silver-Silver-Galaxy-cropped.jpg Wed, 26 Mar 2025 17:50:04 -0300 https://sciencedowneast.com/zenphoto/index.php?album=Galaxies/NGC-891&image=NGC-891-Silver-Silver-Galaxy.jpg
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]

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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
Processing	Processed in PixInsight.	Dynamic Background Extractor NoiseXTerminator ScreenTransfer Stretch BlurXTerminator StarXTerminator CurvesTransformation PixelMath

Date: March 26, 2025 ]]> https://sciencedowneast.com/zenphoto/index.php?album=Galaxies/NGC-891&image=NGC-891-Silver-Silver-Galaxy.jpg Wed, 26 Mar 2025 17:50:04 -0300