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To answer my own question, I'm assuming this is a narrower and deeper field of view than the Hubble deep field. So galaxies are more closely aligned and the light is travelling farther with more opportunity to 'get bent' as it were.
Edit - just found out it's due to a foreground galaxy cluster, hence the radial pattern
Markus
Last edited by Stonius; 12-07-2022 at 03:57 PM.
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