HSL selective color
 
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May 27 2026 APP 2.0.0-beta45 has been released !

Fully Multi-Threaded LNC, many improvements for the registration engine, platform upgrade, and further tuning of internal memory consumption and memory release back to OS.

Apr 14 2026: Google Pay, Apple Pay & WeChat Pay added as payment options

Update on the 2.0.0 release & the full manual

We are getting close to the 2.0.0 stable release and the full manual. The manual will soon become available on the website and also in PDF format. Both versions will be identical and once released, will start to follow the APP release cycle and thus will stay up-to-date to the latest APP version.

Once 2.0.0 is released, the price for APP will increase. Owner's license holders will not need to pay an upgrade fee to use 2.0.0, neither do Renter's license holders.

 

HSL selective color

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(@ary-slingerland)
Main Sequence Star
Joined: 6 years ago
Posts: 27
Topic starter  

Hi, Vincent? I would like to learn more about HSL, just now i found only a short video of Nitesky.

My results of nebulas are so very green  😉



   
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(@ippiu)
Neutron Star
Joined: 7 years ago
Posts: 138
 

Have you seen this?

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

 



   
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(@ary-slingerland)
Main Sequence Star
Joined: 6 years ago
Posts: 27
Topic starter  
RunningChicken HSL

 

i followed the mentioned instruction and this is the result of the Running Chicken. 

 

Schermafbeelding 2020 03 21 om 23.48.10

 

 



   
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(@kijja)
Black Hole
Joined: 9 years ago
Posts: 149
 

@ary-slingerland

May I try on your image. My approach is to remove cyan from green. This would transform green to be more yellow. Then I remove cyan from yellow. This would turn yellow into 'gold'. If I want to remove green to be more blue, just move the sliders in opposite direction.

3050 RunningChicken HSL SC SC St

 



   
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(@ary-slingerland)
Main Sequence Star
Joined: 6 years ago
Posts: 27
Topic starter  

@kijja

i'm gonna try! Thanks! Or do you want to have my RGB sub?

 



   
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(@ary-slingerland)
Main Sequence Star
Joined: 6 years ago
Posts: 27
Topic starter  

It is far better now! 

HSL Kijja St

 

but also still far away from this:

Schermafbeelding 2020 03 22 om 09.10.58

Can such be reached with APP?



   
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(@Anonymous 174)
Joined: 9 years ago
Posts: 5702
 

Yes, I think the lower one is a different combination of the data. So you would have your mono integrations (e.g. OIII, Ha, R, G and B) and you can load them into "Combine RGB" in the tools tab. There are new presets to choose from in 1.078 which are nice to try, all kinds of combinations can be made using that.

Screenshot 2020 03 22 at 10.43.48


   
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(@ary-slingerland)
Main Sequence Star
Joined: 6 years ago
Posts: 27
Topic starter  

Thanks! If i mau ask: How to download 1.78? 

 



   
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(@ippiu)
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Joined: 7 years ago
Posts: 138

   
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(@ary-slingerland)
Main Sequence Star
Joined: 6 years ago
Posts: 27
Topic starter  
HSL3 CarinaeNebula

 

i am learning HSL 😉 please your comment. Calculating after moving the sliders on the right takes 2 minutes for my Mac 3,5 GHz Quad-Core Intel Core i5 - that normal?

Sharpening is very diffcult and delicate, quick too far



   
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