Interesting picture from 14 August 2015.
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The main picture
The arrow shows where it is.
This picture was taken Friday 14.August 2015, at 05:46 P.M. Kåre Gøran Mangen Tjelte was walking down from the Hessdalen Automatic station at Vårhus,
when he decided to take some pictures of the view. When he studied the pictures later, he noticed this black spot in one of the pictures.
It was not seen by the bare eyes when he took the picture.
He used the camera on his Samsung mobile phone, model SM-G900F. The f=2,2 and the exposuretime was 1/2776 second. ISO-40. The 35mm focal length was 31 mm.