Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  Andromeda Galaxy  ·  M 31  ·  M 32  ·  NGC 221  ·  NGC 224
The secret life of Andromeda's core, kskostik
The secret life of Andromeda's core
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The secret life of Andromeda's core

The secret life of Andromeda's core, kskostik
The secret life of Andromeda's core
Powered byPixInsight

The secret life of Andromeda's core

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Description

Inspired by the works of Vadim Kozatchenko (https://www.astrobin.com/jq4flw/) and Jari Saukkonen (https://www.astrobin.com/372379/0/), I did a series of channel subtractions using my M31 data. As a result, the dust swirls at the core became visible. Here is a gif animation of the following frames: unsubtracted Ha, R-B, Ha-B, Ha-G, and Ha-R.

Ha: 9 x 600 sec

L: 240 x 60 sec (not used in this gif)

R: 44 x 90 sec

G: 67 x 90 sec

B: 36 x 90 sec

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Sky plot

Sky plot