NIGHT OPTICS
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Partial 22-degree lunar halo & upper tangent arc before a rainy sunrise.

 

Sky crayons: 22-degree moon halo, with Jupiter within the ring.
NOAA ~ National Weather Service Wisconsin gallery photo

 

Crepuscular rays from an almost full moon.

 

Moondog and Mars a day prior to the Hunter's Moon of October.
Earth Science Picture Of The Day 2003/10/31

 

Cloud iridescence just after moonrise.

 

Faint full 22-degree moon halo.

 

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