I filled this out after reading the story and learning that it was a rocket body re-entering. I don't know how accurate my recollections are, but at least one more witness might help you build up your data.
Location
Address
Firth, ID
Latitude
43° 18' 18.46'' N (43.305127°)
Longitude
112° 11' 5.64'' W (-112.184899°)
Elevation
1390.980957m
Time and Duration
Local Date & Time
2015-02-23 23:00 MST
UT Date & Time
2015-02-24 06:00 UT
Duration
≈45s
Direction
Moving direction
From up left to down right
Descent Angle
91°
Moving
Facing azimuth
310°
First azimuth
290.5°
First elevation
44°
Last azimuth
354.26°
Last elevation
3°
Brightness and color
Stellar Magnitude
-9
Color
Orange, Yellow
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
2s
Length
15°
Remarks
My recollection is sketchy on the details because I ran in to tell my wife so she could see it. But it was a long thin streak. At first it reminded me of a comet in its shape.
Terminal flash
Observation
No
Remarks
-
Fragmentation
Observation
Yes
Remarks
I'm not sure it I saw it break up, but I saw some pieces ahead of others.
