Reports Report 5679a (Event 5679-2021)

This report has been linked to the following event: Event 5679-2021
Observer
NamePaul W
Experience Level1/5
RemarksI thought it was a firework - but no sound. Was cool to see but just figured it was a flare of some sort? Saw another post on Reddit that someone had seen so I followed this link! Very interesting.
Location
AddressCalgary, Alberta (CA)
Latitude51° 2' 22.41'' N (51.04°)
Longitude 114° 4' 37.66'' W (-114.08°)
Elevation1049.21m
Time and Duration
Local Date & Time2021-09-13 22:20 MDT
UT Date & Time2021-09-14 04:20 UT
Duration≈1.5s
Direction
Moving directionFrom down right to up left
Descent Angle359°
Moving
Facing azimuth89.14°
First azimuth89.74°
First elevation59°
Last azimuth90.79°
Last elevation68°
Brightness and color
Stellar Magnitude-7
ColorLight Green, White
Concurrent Sound
ObservationNo
Remarks-
Delayed Sound
ObservationNo
Remarks-
Persistent train
ObservationYes
Duration1s
Length
RemarksVery short. Thought was firework but no sound. Thought was flare and brushed it off. Saw another post this morning that someone else had seen.
Terminal flash
ObservationYes
RemarksThere was a short trail and then got very bright and then flash went away. Slight coloration near end but mostly bright white.
Fragmentation
ObservationNo
Remarks-