Huge UFO caught in Kansas, on September 2017

On September 1st, 2017, a witness caught a weird picture of UFO flying over Garnett, Kansas. What is it?

Witness statement:

I stopped to take pictures of the sunset i snapped 6 to 10 photos when i got home i was looking through them to pick one that was good and one of the photos had this object in it i was standing in the same place and i snapped all of the photos within a matter of about 10 seconds. i did not notice the object with my eyes i only noticed it when i returned home and look through my pictures but out of several pictures i took only one had this object the rest were clear and my camera lens was cleaned off

Source, 31th January 2019