Rainbow clouds

The rainbow colours are caused by ice crystals in the cloud.

Last week I posted someone else’s pictures of rainbow clouds on Facebook.  Today I stumbled across the pictures I took of the same effect on La Palma, coming down from the observatory in January 2012. The only thing I changed with photoshop was the size of the picture – no other tweaks, I promise.

The rainbow colours are caused by ice crystals in the cloud.

Posted by sheila

Sheila came to La Palma with a six month contract and has stayed 24 years so far. She used to work as a software engineer at the observatory, but now she's a writer and Starlight guide.

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