Chinese sky lanterns.

https://en.wikipedia.org/wiki/Sky_lantern

My favorite authentic recent sighting was the meteorite behind the erupting volcano.

https://youtu.be/kRntP5h3AqI?si=XmBtqR2UH1JusSI4

Accounts that the retreating craft could be a satellite fail to observe there is a cloud cover behind the descent/ascent.

Cheeky.