Long, red, artifact. What is it?
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by ine
What is that #long #red #artifact at the bottom of the galaxy? I am curious about this. (see picture)
http://imageshack.com/a/img923/5956/E11Nn2.jpg
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by ElisabethB moderator
It's an artifact. Probably a cosmic ray hit that didn't get removed. You'll see a lot of them in these DECaLS image.
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