This 'circumzenithal' or 'Bravias' arc appeared for around 40 minutes at 7.20pm last night.
They usually just last for a couple of moments and are caused by light shining at a specific angle through tiny ice crystals in the clouds.
They are much brighter than a normal rainbow with the colours in reverse order.
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Rather cloudy on Wednesday, but some bright or sunny spells developing through the day. The odd light shower is also possible.
Variable cloud and some bright or sunny spells, although there will still be a few light showers. Temperatures close to average.
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