Circumzenithal arc they are both the same cloud in different formation one is about 10 minutes later than the other. I wasn't really watching the time. If the vapor cloud had been bigger it would have formed a complete arc Like an up-side down rainbow but it arises from refraction of sunlight through horizontally-oriented ice crystals, generally in cirrus clouds, rather than from raindrops and is always the same side as the sun as opposed to the rainbow being the opposite the sun
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