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The dither will help hide the black lines
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I would like this as truth, Kevin. I was analysing that line, and I saw that since 14/06/2014 I have it in CR2 file.
It seems that the problem is increasing the intensity. I only perceived it by now.
The only thing I did that can cause damange to the camera was to generate long darks to use with long exposure of H alfa. Maybe it increased the problem in the sensor.
As my last message on the topic shows, the main problem is with red channel. Little with green. And nothing with blue. Therefore it seems that it is not from any kind of obstruction, nor dust, nor damage on the glass and infrared filter or so.
It seems to be loose of intensity of information on an horizontal area of the sensor. Therefore the dither will not aid to erase or hide it.
The failure always will be there, at the same place.
I don't remember what set I was using that time (June, 2014). Now, I am using -3 of sharp, -3 of contrast , +1 saturation and zero to color tone. I was changing sharp and contrast. I will try another set to see if the presence of the line becomes more faint.
