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Old 10-02-2016, 10:29 AM
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traveller (Bo)
Not enough time and money

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Strange CCD artifact

Hi, need some help and advice from more experienced CCD imagers.
My QHY8 has developed a very strange artifact to the top right hand corner but only during the focusing frames using Maxim DL.
The attached frames are
Focus 1 sec using Maxim DL
Find DSO 10 sec using Maxim DL
Find star 1 sec using Maxim DL
Focusing 1 sec using Image Plus
As you can see, the artifact only appears on the first frame (focus 1 sec using Maxim DL).
There is no physical obstruction. I can't explain it.
Has anyone else experienced this?
This does not appear to affect the image captured (yet). Is this something to worry about? Time for a service?
Thanks
Bo
Attached Thumbnails
Click for full-size image (focus 1sec.jpg)
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Click for full-size image (find dso 10sec.jpg)
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Click for full-size image (find star 1sec.jpg)
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Click for full-size image (FocusTest_ 1.00Sec_0.jpg)
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  #2  
Old 10-02-2016, 10:32 AM
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multiweb (Marc)
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Nothing to worry about. My 8 and even the 9 do that when first powered up and downloading the first frame if I haven't used the camera for a little while. Might be the wells emptying first time download.
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Old 10-02-2016, 10:56 AM
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traveller (Bo)
Not enough time and money

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Thanks Marc for the quick reply, much appreciated!
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