Whatever You Call Noctilucent Clouds Seen During The Day (?)
Taken by Nevin Reid on May 12, 2018 @ Oromocto, Canada
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  Camera Used: samsung SM-G950W
Exposure Time: 1/7463
Aperture: f/1.7
ISO: 50
Date Taken: 2018:05:12 12:39:35
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Driving home at noon (ADT) today when I noticed a strange pink glow around a long stretched out cloud ahead of me. At one end of it another cloud was glowing yellow with blue around it. I wear polarized prescription sunglasses so I asked my daughter if she could see the glow without sunglasses. At first she didnt but then the pinks brightened and she said she could. When I got home I was able to snap these photos with my Samsung S8, some taken through my sunglasses to enhance the colours. The colours were constantly shifting and at times very bright to the naked eye. Pink was the prominent colour but thin blue/green glowing ones can been seen. The yellow briefly showed up again too (124746.jpg) but the camera didnt pick it up as well.

These are looking SE with the clouds travelling in an easterly direction. We observed them for about an hour then noticed a ring around the sun once the clouds disappeared.

I have observed blue noctilucent clouds in the past and these looked and acted similar so Im wondering, is there a name for glowing clouds seen during the daylight?
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It seems to be a part of circumhorizontal arc.
It appears horizontally at low altitude with a spectrum where red is upper and blue is lower.
Circumhorizontal arc appears around noon (i.e., the sun is high) at a low sky, while Circumzenital arc appears near sunrise or sunset (i.e., the sun is low) at a high sky.
You mentioned a ring around the sun also could be seen and it is a 22-degree halo. Circumhorizontal arc or circumzenital arc often appear with the 22-degree halo.
Noctilucent clouds cannot be seen in daytime.
Posted by shiram 2018-05-12 22:13:37
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