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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.

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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.

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Stacking large mosaic really slow registering (new user)

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(@mbalkham)
Molecular Cloud
Joined: 6 years ago
Posts: 1
Topic starter  

Hi there

Trying to stitch a 9 panel mosaic (447 light frames). Following Sara's tutorial on this site. So far taken 14hours and only 59% registered. Is this normal or am I doing something wrong?!

Running MacBook Pro 2.3GHz i7 with 16GB Ram.

Thanks in advance 


This topic was modified 6 years ago 2 times by Matt Balkham

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

Hi Matt,

This is normal mostly because all 447 frames are checked for overlapping areas etc in the registration phase. I would advise to stack all 9 panels individually and then create the mosaic from the 9 stacked panels.

 

HTH, Wouter



   
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(@chrispeace)
Red Giant
Joined: 8 years ago
Posts: 43
 

Matt

I agree with Wouter.  I had a similar experience trying to make a 4 panel mosaic by loading all the subs and hitting integrate. This is not the most efficient and quick way to do it.  Whilst I had other issues with APP’s outputs you might find Mabula’s concise guidance on mosaic workflow here helpful.

https://www.astropixelprocessor.com/community/main-forum/pig-and-fish-images-are-not-funny-mabula-quite-rude-really-2/#post-10357

 

Chris



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

Yep, making panels first is the best and might even produce better results as the statistics become extremely complicated when doing this from all separate frames.



   
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