Reports Report 5113ad (Event 5113-2017)

This report has been linked to the following event: Event 5113-2017
Observer
NameJames Y
Experience Level3/5
RemarksIt was hard to guess the height, seemed to move slowly perhaps because much higher than apparent, bright white with glowing tail, moving west to east; a nearby building to my left (southeast) interrupted my view of it, Seemed to be some colors in the tail. As I was getting into my car a couple of minutes later, thought I detected a slight acrid odor which would go with a firework, but I think no firework would move across the sky steadily in this way.
Location
AddressBoulder, CO
Latitude40° 1' 25.52'' N (40.02°)
Longitude 105° 15' 19.4'' W (-105.26°)
Elevation1608.46m
Time and Duration
Local Date & Time2017-12-14 19:50 MST
UT Date & Time2017-12-15 02:50 UT
Duration≈3.5s
Direction
Moving directionFrom up right to down left
Descent Angle263°
Moving
Facing azimuth99.66°
First azimuth163.81°
First elevation45°
Last azimuth95.53°
Last elevation36°
Brightness and color
Stellar Magnitude-20
ColorWhite, Orange
Concurrent Sound
ObservationNo
Remarks-
Delayed Sound
ObservationNo
Remarks-
Persistent train
ObservationYes
Duration1s
Length15°
RemarksA glowing tail with tinge of yellow or oramge, possibly hint of green, not sure
Terminal flash
ObservationNo
Remarks-
Fragmentation
ObservationNo
Remarks-