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Video: Northern Ireland treated to a vision of rare 'Mother of Pearl' nacreous clouds

Stunning cloud formations, more commonly found forming over polar regions, were filmed in the skies over Cookstown and Castledawson.

The unusual Northern Lights-like patterns are known as nacreous formations. Also known as 'mother-of-pearl' clouds, they occur higher up in the atmosphere when temperatures drop to -80C and the small amount of water vapour condenses into fragile clouds.

Night Sky Hunter Martin McKenna managed to capture this stunning footage of the event.

To watch more of Martin's stunning videos visit his YouTube or website.

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