Interesting circles
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by Javi1306
Hello, I just want to ask you, what do you think the two circles on the left side are? they look pretty interesting.
Posted
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by lostlens
UKIDSS (and other) images are full of (glare) artifacts - a product of bolometry.
where available, the other comments are worth a look.
have you seen the artifact/star discussions.
also, please follow the "examine" link to NED and the Viewer.Posted