Imperfect hot pixel...
 
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Imperfect hot pixel removal on mosaics

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(@zumix)
White Dwarf
Joined: 4 years ago
Posts: 12
Topic starter  

Hello

I am using a BPM as you recommend, and in a normal integration of a single panel works fine, but if I register a mosaic with that panel and another one, not all of them are removed and there appear small groups of coloured hot pixels,

I have tried ro create a new BPM with smaller kappa (2) but no change... Is it normal?

It is a dual narrowband photo in a OSC camera, and using Ha-O3 color routine.

Thanks 



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

A BPM usually works fine with standard settings, but it won't remove everything per-se, are you also using darks and are you dithering during data acquisition?



   
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