lens?
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by steviepaxton
I am new to this, is this a lens? (Lower right corner)
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by JeanTate in response to steviepaxton's comment.
Welcome to Galaxy Zoo!
It's actually a pair of stars in our own galaxy; the purple/magenta ring is an artifact, caused by internal reflections within the camera.
Here's the field as seen by SDSS (the orientation is different, but the scale is about the same):
Curiously, SDSS thinks there's only one star there ...
Posted