23-05-2018, 11:02 PM
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Registered User
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Join Date: Mar 2018
Location: Canberra
Posts: 516
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Quote:
Originally Posted by Atmos
As for the dark ring, I think it may be a psychological thing as the high contrast galaxy meets low contrast outer extension hits black. In that ring is a region of less bright stars which would be coincidence  |
Mach bands perhaps?
Kevin
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