Interesting. I have observed that this camera repeatedly exhibits a "build-up" of red towards the bottom right corner of the frame during long exposures, which gets worse as exposure time and/or ISO is increased. (In the case of this image this red 'glow' would be in the top left, as I have rotated the image anti-clockwise by ~90 deg). I had just assumed that this was what people referred to as "amp glow", but I guess i'm mistaken.
Will post a full frame shot when I get back home later today.
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