Reports Report 455k (Event 455-2018)

This report has been linked to the following event: Event 455-2018
Observer
NameAG H
Experience Level1/5
RemarksI was speaking with my sister on the phone while heading north (Edens Expressway (W)). I am not absolutely clear as to my exact location on the road. The phone call began at 5:09 pm CST. I estimate that the sighting occurred approximately 10 plus minutes into the call.
Location
AddressSkokie, IL
Latitude42° 2' 12.52'' N (42.04°)
Longitude 87° 45' 57.92'' W (-87.77°)
Elevation189.88m
Time and Duration
Local Date & Time2018-02-02 17:20 CST
UT Date & Time2018-02-02 23:20 UT
Duration≈3.5s
Direction
Moving directionFrom up left to down right
Descent Angle116°
Moving
Facing azimuth22.79°
First azimuth12.48°
First elevation55°
Last azimuth18.65°
Last elevation45°
Brightness and color
Stellar Magnitude-23
ColorWhite
Concurrent Sound
ObservationUnknown
Remarks-
Delayed Sound
ObservationUnknown
Remarks-
Persistent train
ObservationYes
Duration5s
Length-
RemarksIt resembled an enormous bottle rocket
Terminal flash
ObservationYes
RemarksIt seemed to break apart with 2 flashes
Fragmentation
ObservationYes
RemarksThe very end seemed to break apart