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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.

 

Hot pixel disaster

6 Posts
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(@norbert-a)
White Dwarf
Joined: 6 years ago
Posts: 6
Topic starter  

I get some data from a friend to edit.

Messing around with BPM for days now, but still no success. 
All calibration frames loaded as usual.

Try to load or create a new BPM without any effect.
Check some Cosmetic Correction values under 2) CALIBRATE

Camera is QHY268C-PH and my APP version is 1.083
Solve the hot pixels in the narrowband pics, but not in the lights.

Any idea to solve the problem?

Cheers

Norbert

Hot Pixel Screen APP

 



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

@norbert-a Hi Norbert,

Can you give us more info please? How many lights do you have? What calibration data exactly (any bias, dark, flat, darkflat)? Are all RGB or all mono files or do you mix them? What Cosmetic Correction values did you check? Are you using 1.083 or 1.083-4 (Windows) or 1.083-2 (Linux/Mac)?

 

Thanks, Wouter



   
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(@norbert-a)
White Dwarf
Joined: 6 years ago
Posts: 6
Topic starter  

@wvreeven 

Hi Wouter,

Thanks for your participation.

I get 8x900 sec. frames narrowband 

3x300 sec. and 4x900 sec. RGB lights 

plus master files: MasterBias, MD, MDF, MF and BPM.

All from the color camera QHY268C-PH.

I try different values from 5 to 12 in Cosmetic Correction.

I use the Windows version APP 1.083

 

Best regards

Norbert



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

@norbert-a Please use version 1.083-4 for Windows since 1.083 has several issues that were resolved in 1.084-4.

Are you using a single MF for both the RGB and narrowband images? If yes then that will not work. Also, are the MB and MD produced by APP? If not then that will not work either. You'll need to create all masters with APP.

Wouter



   
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(@norbert-a)
White Dwarf
Joined: 6 years ago
Posts: 6
Topic starter  

Thanks for the hints.
I will update to 1.083-4 and check the RGB-MF.
I will report back to you on that.
Yes all calibration frames are produced by APP.

Norbert



   
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(@norbert-a)
White Dwarf
Joined: 6 years ago
Posts: 6
Topic starter  

Hi Wouter,

Sorry for messing around.
We made new calibration frames and the hotpixel are gone.
So we can go on.

Best regards

Norbert



   
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