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Lunar Halo

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b2ap3_thumbnail_lunar-halo.jpgb2ap3_thumbnail_lunar-halo_2.jpg

 

Wal and I photographed this lovely Lunar halo the other night. The Moon was one day from being full and lit the sky and the clouds beautifully. This 220 halo is formed by moonlight being refracted by ice crystals in the clouds.  We often see full or partial halos around the Sun (or sundogs, arcs and other optical phenomena) but this is the first Lunar halo that we have managed to photograph.  It persisted for a few short minutes before gradually fading away.

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