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June 24 2026 APP 2.0.0-beta46 has been released !

Improved internal memory configuration (lower ! memory usage), fixed beta45 startup issue, fixed Set Save Directory & 2-panel mosaics.

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.

 

Star color calibration question

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(@apatil)
White Dwarf
Joined: 8 years ago
Posts: 9
Topic starter  

If I understand correctly you first combine RGB, followed by light pollution and calibrate background. Follow this by star color calibration as per the tutorial videos. Of course you can change the sequence. So when you combine RGB and add luminance channel you take your time adjusting different sliders for the channels so that the image if pleasing to you mainly the image of the object. But when you do the Star color calibration the colors of main image object changes. Of course you can get some of the colors back by changing the sliders for magenta green or blue red or changing the slopes in star color calibration.

My question is if there is way to put a mask on the main image object and only change the star colors in star color calibration. For example, I was working on Dumbell nebula so I took my time combining LRGB by adjusting the sliders so the image is pleasing to me (more red and blue) but when I do star color calibration the colors of the nebula changes. It becomes green and some red but the blue disappears. Is there a way around this.I hope I am making sense.

Avi



   
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(@wvreeven)
Quasar
Joined: 8 years ago
Posts: 2134
 

@apatil You certainly make sense. There is no possibility of applying a mask in APP at the moment. 



   
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(@dalepenkala)
Red Giant
Joined: 5 years ago
Posts: 37
 

@apatil

I have noticed this same thing. I do the calibration and play with it a little and if I don’t like the outcome then I just work without using the star calibration tab.



   
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