Synsei,
Did the Pilot actually investigate the object or was that just an interpretation of the witnesses? I know that the conspiracy crowd are already jumping all over this and think that the 'object' is why the Typhoons were scrambled in the first place!
Link to images.
Bath UFO - What is it? - a set on Flickr
All I see here is a possible solar or mylar balloon. The wiggle shape blow up is down to camera shake and the photographer acknowledges it.