When I first saw the tail I could hear what sounded like the sound of jete engined aircaraft but couldn\'t see any aircaft lights. I drove to work in my truck and could still see the tail plainly in the Norhtwester hemisphere, as well as when I started to drive up the mountain on a skidoo aprox 45 min after i first sighted it.
Persistent train
Observation
Yes
Duration
45s
Length
1°
Remarks
Thin high overcast skys but train was easily visible to the naked eye for at least 45 minutes and had a greenish hue. This may have been a comet