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M17 Bicolor Vs The Hubble Palette (HaSHO)


Rodd

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TOA 130, ASI 1600.  Ha 66 5min, OIII 23 5min.  I think this target would benefit from a wider FOV.  The .7x reducer would be just about perfect. Still trying to figure out how to get a bicolor that has decent two tone representation without white areas.  I have not yet learned how to get a rich blue in my HOO images--except perhaps for the veil Nebula.  Not sure if I will finish this with SII, more OIII (or both), or just leave well enough alone and move on.  

 

HOO-4bnoise-hist-2.thumb.jpg.e68fb15b69565331b226cfed2f23aa90.jpg

 

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I added Ha as a luminance layer.  I have never regretted adding SII--then again, I like this target in red rather than yellow as is typical with SHO images.

 

HOO-4bnoise-hist-2-Ha-sharp.thumb.jpg.b5e8b70a4bc8ae219181ef316883cf22.jpg

 

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34 minutes ago, wimvb said:

Great image. I like the way you brought out that faint "blue smoke" in front of the Ha on the left.

Thanks Wim.  Here is a different take.  Not really processed differently--but a very different result.

2.thumb.jpg.a334f52eaba029e626c8ad57a09c7118.jpg

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  • Rodd changed the title to M17 Bicolor Vs The Hubble Palette (HaSHO)
8 minutes ago, wimvb said:

Very different with lots of detail in the blue central part. Unfortunately the red halos around the brightest stars are distracting.

Not so much for me....I hardly notice them.  Unless I am pixel peeing of course.  They are all in dark areas.  Even at full resolution I tend to not notice them too much.  I think there are much worse issues with this image.  Trying to figure out why at present.

Rodd

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On my small mobile phone screen, the red stands out, even without pixel peeping. But I'll have a look on my computer screen later. I do like the latest bicolor and the bright part of the SHO, though. Never tried nb, so can't advise on how to improve.

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48 minutes ago, wimvb said:

On my small mobile phone screen, the red stands out, even without pixel peeping. But I'll have a look on my computer screen later. I do like the latest bicolor and the bright part of the SHO, though. Never tried nb, so can't advise on how to improve.

Here is another version--The red halos are less and the image is less noisy.  Not 100 percent into the palette (too much blue) but I think it is  better image over all.

 

 

C2.thumb.jpg.962ebd445c2353b717a11121f2d27920.jpg

 

 

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