Removing bad column
 
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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.

 

Removing bad column

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(@oscar-keet)
White Dwarf
Joined: 6 years ago
Posts: 12
Topic starter  

Hello. Hopefully someone can give me some advice.

I have a Trius SX694c camera. It's quite a nice camera, but during it's use it has been damaged (probably) by some high energy cosmic ray.

This damage creates a off-color column in my photographs, as you can see in the example.

 

Now my question is, if it's possible to have this column automatically removed? I've tried some "hot column", "bad pixel" settings, but they do not seem to help.

Does anyone have a solution?

 

afbeelding

 


This topic was modified 4 years ago by Oscar Keet

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

Tricky one as it seems quite faint. This would be something you should tackle with the hot pixel kappa in tab 2. To be able to see if it works per sub, you load in a single sub, load your master-calibration files, switch that on and select "l-calibrated" on top of the image viewer. Then you can see if it removes it, you can then experiment by changing the kappa to be more aggressive and check again. This is a faster way to see if it works then first integrating everything. What also would help is to dither aggressively during data capture, like 10 pixels.



   
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