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UPDATE FROM MABULA

I have had a very rough 2 months unfortunately health wise. I was struck 3x in a row with bacterial infections. The second infection occurred  after a routine hospital checkup and I became very sick. I had to rest and take a lot of antibiotics. Once I was recovering and restarting work 1 month ago, I again became sick. The infection was not yet gone, so even more antibiotics and rest was needed. Needless to say, it took a lot of my energy and I needed a lot of rest.

 

Finally, the infection is really gone and my energy is coming back step-by-step now and I have started work again. I am terribly sorry to have kept you waiting for support. I will address all outstanding questions and e-mails step-by step and will be on the forum daily from today.

 

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How do I reduce the green in the background without affecting the galaxy?

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(@msamazing)
Neutron Star
Joined: 5 years ago
Posts: 84
Topic starter  

Looking for the steps please.  Here is the JPG of the image.

M31 RedCat 9 14 23 RGB session 1 sr crop St

 



   
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(@maxthebuilder)
Red Giant
Joined: 9 years ago
Posts: 47
 

Your galaxy is pretty green too so you should want to affect it.



   
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(@imnewhere)
Black Hole
Joined: 9 years ago
Posts: 174
 

Make sure you have neutralize background checked and you can either desaturate the green in selective cooler or if you bring it into Photoshop you can use HLVG, pull down the green channel in curves ro levels, or desaturate and darken the green channel in hue saturation.



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5379
 

Posted by: @msamazing

Looking for the steps please.  Here is the JPG of the image.

M31 RedCat 9 14 23 RGB session 1 sr crop St

 

Hi @msamazing,

Best is to make sure first that the image ia background calibrated, is it? The background neutralization is not what you want to use, this only serves as initial preview to get more or less gray backgrounds in your preview RGB images.

Once you have calibrated the background with the calirbate background tool (or remove light pollution tool) then load it into the HSL selective Color tool, select green push it to magenta (that neutralize it) and you can also desaturate the green color at the same time, so set saturation to negative as far as needed. That should remove it.

If you only wan to remove it in the background, use the range options like background to background + 3*noise, that should prevent the operation to affect the galaxy.

Mabula

 


This post was modified 3 years ago by Mabula-Admin

   
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