UFO researcher/advocate Jim Dilettoso perform "spectral analysis" of video imagery of these exact same Orbs of Light UFO's showing up over Pheonix, Texas, and Lake Erie Ec., that proved the lights could not have been produced by a man-made source.

Dilettoso determined the amount of red, green and blue in the various video images and constructed histograms of the data, which were then compared to a database of known light sources such as flares, Lanterns, Planets, FAA lights, Etc.
The Balls of light UFO's do not match up to any known "spectral analysis" histograms of any known light sources, that was the conclusion. That episode was just on TV last night.