Noticed object while reviewing a digital picture on home computer.While reviewing pictures at home days after the baseball game, we noticed an object in the sky on the far corner of the picture. We did not notice the object when taking the picture only after reviewing on the computer.The object appears to be oval. When zoom in, it is slightly blurry but shape is distinctable.Color: looks black or shaded because of distance.How many: only one in picture.Person reviewing picture is a high school student along with two family members.