Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  HD85458  ·  M 81  ·  NGC 3031
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M81   HaLRGB, xlong
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M81 HaLRGB

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M81   HaLRGB, xlong
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M81 HaLRGB

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Description

In December 2021, I encountered a few nights with very good astrophotographic weather conditions and took a large number of LRGBHa channel photos.

I focused on galaxy color calibration and HDR processing of cantilever details during processing, and the final result is shown in this image.

Ha:600s*30;
L:300s*132;
R:300s*36;
G:300s*36;
B:300s*36;

Filters:Astrodon Ha 5nm & Antlia LRGB Pro.

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  • Final
    M81   HaLRGB, xlong
    Original
    M81   HaLRGB, xlong
    D

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M81   HaLRGB, xlong