Quote:
Originally Posted by Paul Haese
I really don't know what that glow is. It is present in all the data to some degree. There was also some on the left hand side too (I cropped this out) but that looked more like some form of nebulosity. I can't imagine it is any light pollution because I am almost pointed south most of the time. It is a mystery and perhaps Robert might come up with something here. It is whispy through other parts of the image too. So it could be calibration, or just legit dust??? It might be a reflection off the interior of the dome too with some LED light, though other test images in other parts of the sky did not show this at all.
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The bulk of it looks liek galactic cirrus to me, the bottom right corner may eb something else but the rest looks liek dust.
Mike