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May 27 2026 APP 2.0.0-beta45 has been released !

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Update on the 2.0.0 release & the full manual

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Problem rtemoving green hue from images

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(@charles-thody)
Main Sequence Star
Joined: 7 years ago
Posts: 20
Topic starter  
Good Morning. For some reason I cannot get rid of this green hue on my images when processing in APP. I have an AltAir 183C ProTec with setting of RGGB and Bayer ticked in APP, yet the stacked images come through initially with a red hue and then green after calibrating star colours. I've not had this problem before and haven't changed any settings...
Will appreciate any guidance. Thanks.
 
image


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

You can use the sliders on the calibrate star colors to get a different look. Notice the sliders I have selected, play with those some, but use a gentle hand with them. You might also want to make sure the neutralize background box is checked as well.

image

 

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(@andybooth)
Red Giant
Joined: 4 years ago
Posts: 67
 

Try the method in this video to remove green casts.

 

https://www.astropixelprocessor.com/part-6-hsl-selective-color/



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5318
 

Posted by: @charles-thody

Good Morning. For some reason I cannot get rid of this green hue on my images when processing in APP. I have an AltAir 183C ProTec with setting of RGGB and Bayer ticked in APP, yet the stacked images come through initially with a red hue and then green after calibrating star colours. I've not had this problem before and haven't changed any settings...
Will appreciate any guidance. Thanks.
 
image

Hi Charles @charles-thody,

Are you using any filters when shooting the data? If so, what kind of filters? Which options are using when you run calibrate star colors?

 

 



   
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