Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 106  ·  NGC 4248  ·  NGC 4258
M106, with and without Ha data, Colin McGill
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M106, with and without Ha data

M106, with and without Ha data, Colin McGill
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M106, with and without Ha data

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Description

M106 - a famous Messier galaxy. I was never happy with my version from last year - too noisy, though the two additional "arms" caused by gas being heated by the active galactic nucleus were well shot in Ha.

This year, I reshot all the Luminance and colour images, but retained the 15 hours of Ha data from last year. Combined with better processing using TGVDenoise, the image is much less noisy.

I like the version with the added Ha data since it shows the additional arms - but I prefer the colours in the standard LRGB version, so left this as the final image.

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  • M106, with and without Ha data, Colin McGill
    Original
  • Final
    M106, with and without Ha data, Colin McGill
    B

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M106, with and without Ha data, Colin McGill