Hemisphere:  Northern  ·  Contains:  NGC 891
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Silver Silver Galaxy NGC891, 


            Alf Jacob Nilsen
Silver Silver Galaxy NGC891
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Technical card

Imaging telescopes or lenses: GSO RC 254/2000 Carbon OTA

Imaging cameras: ZWO ASI294MC PRO

Guiding telescopes or lenses: Skywatcher EvoGuide 50ED

Guiding cameras: Starlight Xpress Lodestar 2

Software: Astro Pixel Processor APP  ·  Adobe Photoshop CC  ·  PixInsight Core Version 1.8 Ripley

Filters: IDAS (Tokai) LP-filter

Dates:Dec. 25, 2019

Frames: 84x600"

Integration: 14.0 hours

Avg. Moon age: 28.81 days

Avg. Moon phase: 0.59%

Basic astrometry details

Astrometry.net job: 3162271

RA center: 2h 22' 29"

DEC center: +42° 20' 52"

Pixel scale: 1.567 arcsec/pixel

Orientation: 267.494 degrees

Field radius: 0.307 degrees

Resolution: 1200x741

Locations: Osmundstø Observatorium (private backyard observatory), Hidrasund, Vest Agder, Norway

Data source: Backyard


Here is the final version of my NGC891 image, with another 5.5 hrs on top of vthe previous image of the same object. Total of 14 hours from 30. November, 01. December and 25. December 2019. Unfortunately my flats were not good enough to lighten the background a bit..... next time :)



Alf Jacob Nilsen
License: None (All rights reserved)

Sky plot

Sky plot


Silver Silver Galaxy NGC891, 


            Alf Jacob Nilsen