Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  Great Nebula in Andromeda  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224
M31 - 71.5 hours, Steve Milne
M31 - 71.5 hours
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M31 - 71.5 hours

M31 - 71.5 hours, Steve Milne
M31 - 71.5 hours
Powered byPixInsight

M31 - 71.5 hours

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Description

I recently posted a two-panel mosaic of M31 using data from DSW - M31 - two panel mosaic. I commented that I was not certain about the 'horizontal' presentation. I had two earlier M31s - one of these was another set of data from DSW - M31; and the other was an image I had done from my home observatory in the UK - The Andromeda Galaxy.

I thought that I would try combining all of the data. I used AstroPixel Processor and produced stacks aligned to The Andromeda Galaxy.

This gave:

Lum: 18 hours 32 mins

Red: 9 hours 45 mins

Green: 11 hours 50 mins

Blue: 9 hours 30 mins

Ha: 22 hours

A total of 71 hours and 37 mins

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M31 - 71.5 hours, Steve Milne