A smoke trail; smaller on the right side that gradually got bigger on the left side closest to the ball of flame; eventually the whole line faded once the ball blew up
Terminal flash
Observation
Yes
Remarks
When it blew up, there was a bright light
Fragmentation
Observation
Yes
Remarks
There were 3 or 4 fragments that came off the big ball when it blew up. It looked like those fragments faded and eventually disappeared