Recovering previous...
 
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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.

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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.

 

Recovering previous results when removing light pollution

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(@jpiquette)
Main Sequence Star
Joined: 4 years ago
Posts: 25
Topic starter  

Sometimes when using the tool for reducing light pollution, I find that the latest set of area select boxes I chose worsen the results. In an attempt to recover the earlier better results, I save a FITS file version of the image that had ben improved by the previous set of select boxes. However, when I reload that previously saved FITS file, I find that the image I see is soild white, not the previously improved image that had been produced by the tool.

How do I save a FITS file version of an improved image version produced by the light pollution reduction tool in a way that I can reload it and again see the improved image version?

Jean



   
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(@andybooth)
Red Giant
Joined: 5 years ago
Posts: 67
 

as a guess, make sure you are not saving a version using the save button to the right of screen, the ‘viewer’ save,  as this saves a stretched version, which will ‘double’ stretch when loaded if you don't then  change the viewer settings. Use the save button on the left, within the light pollution controls itself.

if you did this then ignore my comment lol.



   
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(@jpiquette)
Main Sequence Star
Joined: 4 years ago
Posts: 25
Topic starter  

Thanks. That was it. It is a biy strange that there would be an obvious "save" button that would not simply save what is being displayed in the viewer.

Jean



   
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