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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.

 

How to save a "linear" image?

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(@ddaniel84)
Brown Dwarf
Joined: 5 years ago
Posts: 4
Topic starter  

I appreciate APP as pre-treatment tool, and use "INTEGRATE". Then I want to treat the image with PixInsight. I need it in "linear" format (not stretched). How to do? and other question: how to access APP documentation ?

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(@ddaniel84)
Brown Dwarf
Joined: 5 years ago
Posts: 4
Topic starter  

to precise my question: how to save an image in linear format (unstretched).. Thanks

 



   
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(@juergenn)
Neutron Star
Joined: 5 years ago
Posts: 88
 

The integrated image resulting from stacking is unstretched! I also use those for further processing in PI (BXT/NXT).



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

@ddaniel84 any file created and saved automatically by APP, by light pollution, star calibration, star reduction, hsl , rgb combine etc are always in linear format. 
ONLY if you save from the right hand save button in the viewer panel is a non linear file created, as it has been stretched by the viewer.



   
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(@ddaniel84)
Brown Dwarf
Joined: 5 years ago
Posts: 4
Topic starter  

@andybooth thanks a lot. It's exactly what happen. Now I use the original file prodeced by Iintegrate... and undestand why "-st" is added if I do a SAVE  (st for stretched)!



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

Posted by: @ddaniel84

I appreciate APP as pre-treatment tool, and use "INTEGRATE". Then I want to treat the image with PixInsight. I need it in "linear" format (not stretched). How to do? and other question: how to access APP documentation ?

Best

Hi Dominique @ddaniel84,

Glad others have answered already to help you with saving a linear image 😉

Documentation is available in the application in the form of tooltips, we will publish a printable PDF manual once 2.0 stable is releases as well.

Mabula

 



   
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(@ddaniel84)
Brown Dwarf
Joined: 5 years ago
Posts: 4
Topic starter  

Thanks a lot Mabula.  I suppose we will know wgen the pdf will be available in this forum. It would be à good idea to inform us with the software itself.

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