Calibration trouble...
 
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2022-05-29: APP 2.0.0-beta2 has been released !

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windows 2.0.0-beta2

macOS x86_64 2.0.0-beta2

macOS arm64 M1 2.0.0-beta2

Linux DEB 2.0.0-beta2

Linux RPM 2.0.0-beta2

Calibration troubles


(@charles-thody)
White Dwarf Customer
Joined: 3 years ago
Posts: 15
Topic starter  

Hi. Since downloading the latest version of APP, I am consistently having problems with the results (as per the image attached). The Amp Glow from my 183CProTec is obvious from the right (despite using 50 dark files, all at the same temp etc) and the vigneting appearance is pretty awful. I have changed nothing in the way I process the files, I dither when capturing to reduce noise etc, and have great difficulty then trying to process this out to make the image acceptable.

 

Would appreciate any advice - this has only happened since upgrading to 1.083 and then 1.083.2.

 

Thanks in anticipation.

M101 St

 


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(@vincent-mod)
Quasar Admin
Joined: 5 years ago
Posts: 4830
 

In this regard not much changed in APP itself I think. Are you taking flats? How old are your darks?


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(@charles-thody)
White Dwarf Customer
Joined: 3 years ago
Posts: 15
Topic starter  

I use Flats, Dark Flats, Darks and Bias. All of them are a day old... Since losing patience with this, I reprocessed using a library of calibration frame from 30 months ago, and the image came out absolutely fine! Settings for new Calibration frames were identical to the old ones, so I remain absolutely baffled...


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(@vincent-mod)
Quasar Admin
Joined: 5 years ago
Posts: 4830
 

That would indicate something went wrong with the new ones, you can maybe check the various calibration file headers in APP to see if you see any issues there (like different offset or offsets of 0 etc)


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