The biggest part was the blue ball in front with a little space directly between the it and the tail. When I spotted it, I first thought it was a military aircraft (commonly seen near a small airport in my neighborhood) I was facing northeast It travelled in a straight line from east towards west for a very long time. The tail sparkled far away from the actual end of the tail.
Location
Address
Broomfield, CO
Latitude
39° 55' 2.05'' N (39.917237°)
Longitude
105° 2' 24.23'' W (-105.040064°)
Elevation
1603.003052m
Time and Duration
Local Date & Time
2014-06-05 21:30 MDT
UT Date & Time
2014-06-06 03:30 UT
Duration
≈7.5s
Direction
Moving direction
From right to left
Descent Angle
270°
Moving
Facing azimuth
20°
First azimuth
33.23°
First elevation
13°
Last azimuth
312.11°
Last elevation
15°
Brightness and color
Stellar Magnitude
-21
Color
Blue
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
10s
Length
50°
Remarks
The train was super long, white and sparkled at the end of it. It was very very long.