Metallic UFO near a volcano in Guatemala

On December 24, 2014, a man, named George, has photographed a metallic object during a trip in Guatemala. This UFO flow near volcano located on the shores of Lake Atitlán. Witness specifies that object was no visible on naked eye.

Witness report:

I noticed the object when I started editing my pics from my Guatemala trip.
The object doesn't appear in the previous frame taken 6 sec earlier or the next frame after.
I didn't know about its existence until just a few days ago when I started editing my pics from the trip. It does appear to be a silver shape when I zoom in.