Reports Report 501at (Event 501-2018)

Name Peter W
Experience Level 2/5
Remarks I don't remember the exact time. It was between 8 and 9 pm, so I noted it as 8:30 pm.
Address Crestone, CO
Latitude 37° 57' 25.52'' N (37.957088°)
Longitude 105° 41' 45.3'' W (-105.695918°)
Elevation 2367.136m
Time and Duration
Local Date & Time 2018-02-06 20:30 MST
UT Date & Time 2018-02-07 03:30 UT
Duration ≈20s
Moving direction From right to left
Descent Angle 270°
Facing azimuth 270°
First azimuth 270°
First elevation 15°
Last azimuth 160°
Last elevation 15°
Brightness and color
Stellar Magnitude -11
Color Light Blue, Light Yellow
Concurrent Sound
Observation No
Remarks -
Delayed Sound
Observation No
Remarks -
Persistent train
Observation Yes
Duration 20s
Length 20°
Remarks It started as a fuzzy, very large yellow-orange looking star. Then it was too big, so I thought it was a plane. Then it was too big to be a plane and began moving west to south. Turned light blue. Train started as a streak, but turned triangular. Then it turned into a large rectangle. Then the whole thing disintegrated into a light blue cloud.
Terminal flash
Observation No
Remarks -
Observation Yes
Remarks Fragmented into a large blue cloud, which lasted another 20 seconds or so.