[Stratoscope]

That turned out to be a fake.

https://www.reddit.com/r/pics/comments/6v6y1k/

[rangibaby]

Oh man that's hilarious considering this: https://petapixel.com/2016/01/29/nikon-awards-prize-to-badly...

[dboreham]

I was in North Eastern Idaho and there is a similar looking contrail visible in my wide angle shots at totality so if the point of image capture happened to be just right it would be possible to have it in the frame with the sun.