This photo shows an altocumulus lenticularis cloud with a sky lit by the aurora borealis. The photo was taken just north of Longmont, facing north, on Nov. 11th at 11:16PM. The Skew-T diagram shows a stable atmosphere.
Sony A7II: 70mm, f/8.0, 15″, ISO 1600


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I love how most of the shapes in the image are silhouetted, gives a very dreamlike feel!