Robert Cohen wrote:
And as at least some or many other sightings' explanations including
by airplane people

But if not, then perhaps: vestigial flying dinosaur aka giant birdie,
optical bifocal prism illusion, John Q, SPACE BALL leftover from STAR
WARS, that Heat defection as portrayed rather non cavalierly by
Clevelanders

Wow. Next time, you may want to try translating things like that into
English
before posting.

Bob M.