Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  NGC 3031
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M81, Simon
M81
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M81

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M81, Simon
M81
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M81

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Description

I thought I would have a go at Jim Misti's data once more, and so I tried some TGV noise reduction with local support, and then an inverted star mask with an unsharp mask applied, first for the luminance and then for the RGB, but much earlier on in the processing for both of these independently. Due to the 'softness' of the data I am exploring alternatives, and probably breaking the rules! Oh well, you have to try - and I am trying with the limits of my processing knowledge... I am quite happy with the result.

Image acquisition Jim Misti - 9 x 5 minutes luminance, 4 x 5 minutes for each of R, G and B - all unbinned - through a 32" scope. Thanks Jim!

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M81, Simon