Random pictures taken of sky, then uploaded to find round object in one.

On the morning of June 11, 2007 I took a walk to the river.  I took my digital camera and binoculars along.  It was between 09:30 and 10:00 a.m.  On the way to the river, I had to insert new batteries into the camera, but I didn't update the time, as you can see in the picture it shows in the afternoon.  I put my camera atop the binoculars, looking through the binoculars making sure there were no birds in my view and taking random shots of the sky.  When I uploaded them on my computer, this round object was in one of the shots.  It didin't appear in any other shot.  I didn't see the object with my binoculars or without them.  There was no sound or lights.  It was a clear day with a few clouds.