Copper Colored UFO photographed over Potrero Hidalgo, Mexico

I was walking in the mountains of Potrero Hidalgo. It was approximately 3:30 pm, and stopped to take pictures from the nature.

At about 6:00 pm I was looking at all the pictures, in one picture at first glance, I saw a dark spot, but zooming in I saw it was a copper colored object.

I clarify that I did not see the approaching object, because the eye was not perceptible, and I did not realized I had captured something and it made no sound. I took the photo on September 2007. Mufon case 62893.