Odd stripes appeari...
 
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MAY 4 2026: APP 2.0.0-beta44 has been released !

New improved internal memory controls should now work on all computers

May 1 2026: APP 2.0.0-beta43 has been released !

Improved internal memory controls (much more stable and faster on big datasets), fixed CPU image viewer, fixed Narrowband extraction demosaic algortihms.

Apr 29 2026 APP 2.0.0-beta42 has been released !

New improved Normalization engine, Fixed random crashes in integration, fixed RGB Combine & Calibrate Star Colors, fixed Narrowband extraction algorithms, new development platform with performance gains, bug fixes in the tools, etc...

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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.

 

Odd stripes appearing in integration

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(@astrofalls)
White Dwarf
Joined: 7 years ago
Posts: 9
Topic starter  
test1 Hydrogen alpha session 1 lpc

In this 35-panel mosaic you can see a set of vertical bright spots appearing on every column. All of my master frames for the mosaic look good, and have been trimmed to remove overscan regions and noisy areas. Any idea why these stripes could be popping up? 

Also I'm really struggling to get a good registration result with this if anyone has suggestions.



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

@astrofalls Hi! Can you share with us the settings used in tabs 3 to 6 for creating the mosaic? In general they should be:

Tab 3: set the number of stars to 2500 or higher
Tab 4: set scale start to at least 5, set scale stop to at least 12, set registration mode to mosaic
Tab 5: set mode to advanced
Tab 6: leave integrate at automatic, enable "enable MBB" and set it to 15% or higher if necessary

Can you check and verify that you get a good result with those settings?

Wouter



   
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(@astrofalls)
White Dwarf
Joined: 7 years ago
Posts: 9
Topic starter  

Reran with these settings, still got a poor registration result and stripes showing up

Screen Shot 2022 06 26 at 1.34.40 PM
Screen Shot 2022 06 26 at 1.34.56 PM

 



   
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(@astrofalls)
White Dwarf
Joined: 7 years ago
Posts: 9
Topic starter  

Oh I'm just now noticing those stripes are reflections that are popping up in the data.... probably a bright light in the observatory somewhere.



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

@astrofalls Sorry that the settings I gave you didn't work.

Good find about the reflections. How did you find out? You wrote that they don't show up in the master frames of the mosaic.



   
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