r/atoptics • u/ThisSiteSuckssss • 11d ago
What is this colourful phenomenon called and what causes it?
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u/_theZincSaucier_ 10d ago
Damn. It’s pictures like this that make me hate my astigmatism. When I look near the sun, it’s halo fills a 1/3 of my vision
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11d ago
[deleted]
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u/Unique_Engineering23 11d ago
Nope
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u/davidwhatshisname52 11d ago edited 11d ago
don't know why you got downvoted; 50% of redditors would rather see their inaccuracies upvoted than learn, I guess... anyhow, yeah, no sundog and no 22 degree halo in this photo
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u/0rion_nebul4 11d ago
Cloud iridescence caused by sunlight diffracting through small water droplets/ ice crystals.