Bright UFO over mountain in Los Andes, Chile

On May 18, 2017, after a night storm, an inhabitant of Chile has caught a photo of a bright UFO flying over mountain in Los Andes.

Witness statement:

After a night storm, I take two pictures of the snow mountains. A view of that, shows me a light ascending (I can´t see when take pictures).
The site is in front of San Ramon mountain in Los Andes, Santiago de Chile.
My position is in the little terrace of mi department.
Can't see the object during the take, only see before at checking pictures.
Between two shots, I saw that upper movement.