Remove Vignette Too...
 
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Mar 28 2026 APP 2.0.0-beta40 will be released in 7 days.

It did take a long time to have the work finished on this and it  will have a major performance boost of 30-50% over 2.0.0-beta39 from calibration to integration. We extensively optimized many critical parts of APP. All has been tested to guarantee correct optimizations. Drizzle and image resampling is much faster for instance, those modules have been completely rewritten. Much less memory usage. LNC 2.0 will be released which works much better and faster than LNC in it's current state. And more, all will be added to the release notes in the coming weeks...

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.

 

Remove Vignette Tool... What am I doing wrong?

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(@cdugger)
Main Sequence Star
Joined: 5 years ago
Posts: 18
Topic starter  

This is a series of screen shots of the results I get when I try to use the tool to remove vignetting.  I get basically the same result regardless of the integration.   Any ideas of where things are going wrong would be appreciated.

Thanks

Chris

 

Screen Shot 2021 11 14 at 7.53.12 AM
Screen Shot 2021 11 14 at 7.54.13 AM
Screen Shot 2021 11 14 at 7.54.41 AM
Screen Shot 2021 11 14 at 7.54.55 AM
Screen Shot 2021 11 14 at 7.55.32 AM


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

   
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(@cdugger)
Main Sequence Star
Joined: 5 years ago
Posts: 18
Topic starter  

I had already reviewed that tutorial and believe I am following the guidelines.  This is an RBG image from a Sony CMOS.  I have darks but no flats.  Light pollution tool and star calibration tool work fine.  I have tried all three of the models, and while the two KangWeiss are a bit better, I am still left with an unusable image, regardless of stretch.  Is is important to stretch it out to the extreme before using the tool? Am I oversampling with that many green boxes?   I also watched the video tutorial and can't see anything that I am doing differently

Thanks.... Not the end of the world, but it would be nice to have it work

Chris


This post was modified 4 years ago 2 times by Chris Dugger

   
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(@col)
Neutron Star
Joined: 5 years ago
Posts: 127
 

@cdugger

The vignetting tool is not so effective. Much better to go directly to the light pollution removal tool, which is takes care of gradients and vignetting and background neutralization in one go.



   
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