It seemed isolated. On it's own, and not a part of a collective. I'm excited to hear about where it landed, because it was still the same size when it disappeared into the horizon as it was when I first saw it above.
Location
Address
Norfolk, NE
Latitude
42° 1' 58.38'' N (42.032883°)
Longitude
97° 24' 21.48'' W (-97.405966°)
Elevation
461.336639m
Time and Duration
Local Date & Time
2014-09-19 22:45 CDT
UT Date & Time
2014-09-20 03:45 UT
Duration
≈3.5s
Direction
Moving direction
From up to down
Descent Angle
180°
Moving
Facing azimuth
176.67°
First azimuth
178.48°
First elevation
66°
Last azimuth
177.8°
Last elevation
12°
Brightness and color
Stellar Magnitude
-16
Color
Green
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
1s
Length
3°
Remarks
like a tail; I didn't see 'smoke'. It seemed to have a tail, which pointed straight up as it crashed straight down