UFO Witnessed From Crop Circle In Avebury: 19/08/2012

While walking through a Crop Circle in Avebury, a family and other witnesses spotted an intensely bright UFO. Yes, they actually filmed it! Its often postulated that real Crop Circles are made from Plasma Orbs - could this be one?
Filmer's comments:
Please note, although the length of time that you see the object is brief, before I got to my video camera to start filming it was larger and