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Sorry but this is a known phenomenon with the qhy10 in that it's due to the way the camera downloads the frame. It does red to the right and green to the left of the frame. Blue goes with the red (I think). Anyway that gives a weird colour cast to UNCORRECTED frames in that they have a green cast to them. It has to be corrected with bias frames which contain the same colour gradient. There is nothing wrong with the camera it's just the way the pixels are downloaded from the chip.
Hope this helps
Allan
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