This was a relatively straightforward case. The object looked like a Tic-Tac shaped blob. Initially I thought it was fake, but then it quickly became apparent it was a real object (or at least a really good 3D fake).
The low resolution, sharpening, and digital zoom make bright white shapes turn into blobs. Here on the right there the buildings and the racetrack, with the object overlaid at the same resolution.
Sharpening makes it worse at this scale, as it adds dark pixels which make it look bigger. See the gaps between the buildings.
Tracking down the plane was a simple matter as they gave the flight number ... Read even more
