Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  NGC 891
NGC891 - Silver Sliver Galaxy, Derryk
NGC891 - Silver Sliver Galaxy
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NGC891 - Silver Sliver Galaxy

NGC891 - Silver Sliver Galaxy, Derryk
NGC891 - Silver Sliver Galaxy
Powered byPixInsight

NGC891 - Silver Sliver Galaxy

Equipment

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Acquisition details

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Description

Also known as Caldwell 23, NGC891 is an unbarred spiral galaxy located in the constellation of Andromeda at a distance of about 30 million light-years away.



Taken in November 2018 over multiple nights from Campbell, CA, USA. Sky: 18.80 mag/arcsec^2



Total integration: 1,435 mins (23 hr 55 mins)



Details, Equipment, & Software:

Telescope: Astro-Tech AT10RCT (FL2000mm f/8)

Camera: SBIG STF-8300m (-10°C)

Filter: Astrodon36mm LRGB

Guide: OAG-8300 with QHY5III174

Focuser: Moonlite CSL w/ high res stepper motor

Mount: Astro-Physics AP1100GTO

Capture: Sequence Generator Pro

Frames:

Astrodon L: 142x300s

Astrodon R: 51x300s

Astrodon G: 47x300s

Astrodon B: 47x300s

Stacking/Final Processing: Pixinsight

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NGC891 - Silver Sliver Galaxy, Derryk