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Speeding Up Processing of Super Larger Mosaics


(@rixon)
White Dwarf Customer
Joined: 4 years ago
Posts: 19
Topic starter  

I have a 60 panel mosaic of ASI6200 full frame images I'm putting together, just 1 sub per panel. It's taking literally days to process (running 24 hours a day) on a new MacBook Pro Max 64gb, 2TB machine. I've allocated 60 gb Ram to APP along with 9 of the 10 cores.

1. Is there any way to speed this up?

2. What if I processed each row separately, one at a time and then when completed, stitch two rows together at a time, then incremently process those finished combined rows with the next row, until done? Might that be faster?

3. Would this take a similar amount of time with a Ryzen 5950X machine with 64gb and ample hard drive? 

Thanks in advance. 
Rick


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(@wvreeven)
Galaxy Admin
Joined: 4 years ago
Posts: 1636
 

@rixon Most of the time is taken by the registration of the panels. Less panels to integrate means less processing time, independent of the hardware. A faster machine may help but probably not much. Your suggestion to stitch per row and then combine them may work but note that this may introduce issues with distortion of the panels. In any case, please give it a try. I am not aware of many such large mosaics ever done with APP.


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(@wvreeven)
Galaxy Admin
Joined: 4 years ago
Posts: 1636
 

@rixon Have you seen this thread?

https://www.astropixelprocessor.com/community/main-forum/mosaic-normalization-issue-nan-or-normalization-failed/

Not as many panels as yours but there may be some tips in there that may help you.


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