White, there was color, yellow?, but my color perception is unreliable.
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
8s
Length
38°
Remarks
train went from straight to mottled with side streamers, turned dark, should have been visible outside of car window for about 1 minute. With binocs dark train should have been visible for 2 minutes.
Terminal flash
Observation
Yes
Remarks
several brightenings with a central flash, dimmed, continued with more brightenings a terminal flash then faded
Fragmentation
Observation
Yes
Remarks
side pieces were coming off with trails to the central flash, even more pieces just before and during terminal flash