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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.

 

Is the workflow for dslr data calibration still relevant?

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(@shlomi)
Red Giant
Joined: 7 years ago
Posts: 42
Topic starter  

Hi, I was watching the tutorial at https://www.astropixelprocessor.com/a-dslr-data-calibration-workflow/ which shows a different workflow for calibrating dslr data. Here is my summary of the video:

1. create BPM from darks + flats
2. create master flat: flats+bias+bpm(add to list as a light)
3. create master darks: only darks, no bias
4. Now use lights + master flat + master darks + BPM: Calibrate, Analyze stars, Register
5. Look in the files table below at Registration RMS. See that the error is very small (smaller than a pixel), otherwise "Distortion correction" may be selected
6. Normalize and Integrate

The video is about 2 years old, and I read in another thread that a lot of the calibration engine have changed.

My question: is this still the preferred way of calibrating dslr data? Or can we simply add all lights, flats, darks, biases and our yearly (camera specific) BPM to the file list and APP will take care of the rest?

Thanks!



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

I usually just add all calibration subs together and press "create masters" and switch on to create the BPM as well. 🙂 Works fine. That routine has been optimized since that workflow to be easier. A new tutorial, written, is in the works.

 



   
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(@shlomi)
Red Giant
Joined: 7 years ago
Posts: 42
Topic starter  

Glad to hear that! So no need to redo my pictures now 🙂

Thanks for the quick reply!



   
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