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15th Feb 2024: Astro Pixel Processor 2.0.0-beta29 released - macOS native File Chooser, macOS CMD-Q fixed, read-only Fits on network fixed and other bug fixes

7th December 2023:  added payment option Alipay to purchase Astro Pixel Processor from China, Hong Kong, Macau, Taiwan, Korea, Japan and other countries where Alipay is used.

 

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(@gregwrca)
Black Hole
Joined: 7 years ago
Posts: 227
Topic starter  

Is it possible to create a final stack with differing sub times and iso (having all cal frames for each sub set)? I.e. 2 integrations sets combined in the end into one image? I've got a feeling different times are ok, but iso won't mont mix.


   
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(@gregwrca)
Black Hole
Joined: 7 years ago
Posts: 227
Topic starter  

Yes, one can! As a test I ran m45 subs from 2 nights, one set at ISO 1600@30 sec and the other set ISO 800 @ 60 seconds. Together they made up to 11,010 seconds, or ~3hr. little post in Lightroom and PS. I used the Batch modify tool to crop the best parts of the mosaic looking Integration so as not to have to do any work on that part.

M45 11000 APP LR ps

 


   
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(@gregwrca)
Black Hole
Joined: 7 years ago
Posts: 227
Topic starter  

And overprocessed with 12480 sec.

20171224 142243
20171224 152626

Trying to integrate 1,098 subs right now. 20, 30, 45 and 60 sec at iso 800 and 1600. APP is handling the task well, surprisingly well.

 


   
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(@mabula-admin)
Universe Admin
Joined: 7 years ago
Posts: 4366
 

Hi Greg,

Yes, as you found out already, it's certainly possible.

One tip, if you combine data of different iso values and exposure times, it can be beneficial to change the normalization mode in 5) to multiply-scale instead of add-scale 😉

Kind regards,

Mabula


   
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