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A Little More Soul


Dmack1

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When I looked at yesterdays HOO Soul I decided I really did not like it very much. Too harsh, oversaturated, over sharpened.

So I went back and started from first principles using the Ha-Oiii colour algorithm from APP (instead of the separate extract Ha and extract Oiii) and tying to keep it a bit more toned down. I used starnet to remove the stars to allow better control and kept saturation down.

The result is softer, less contrasty and (at the moment anyway) I think it is better overall - maybe a little too soft.

Thoughts?

https://cdn.astrobin.com/thumbs/B4x600oxSwUv_16536x16536_JXczOqwr.jpg

Previous version

https://cdn.astrobin.com/thumbs/QAw464UULoOe_16536x16536_JXczOqwr.jpg

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The newer version shows more of the fainter nebulosity and is certainly better.  You could probably increase the contrast a bit but be careful not to lose the fainter nebulosity in the middle.  I feel you have taken the black level too low in the first version.  Hope that helps.

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Posted by: @Gina

The newer version shows more of the fainter nebulosity and is certainly better.  You could probably increase the contrast a bit but be careful not to lose the fainter nebulosity in the middle.  I feel you have taken the black level too low in the first version.  Hope that helps.

Thanks Gina, it really helps to hear what folks think - if ind it very difficult to know what is good or bad really

 

So what I have done is to merge the two images 50/50 in Pixinsight to try to keep the best of both.

How do you think this looks?

Souls2combined2.thumb.jpg.437f85fb182e889fd08102612c7ad8b3.jpg
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Sorry, but I don't think that has quite worked.  You seem to have lost some of the nebulosity in the middle of the nebula.  Keep the black level and increase the gain.  Use HistogramTransformation on your second image to brighten it up.  Watch your black level.   Play with i until you get what you like.

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