Reports Report 4834a (Event 4834-2017)

This report has been linked to the following event: Event 4834-2017
Observer
NameTy V
Experience Level1/5
RemarksWe saw the fireball while driving on the freeway—didn’t ’t think to report it until some miles later. Time and location of sighting is a rough estimate.
Location
AddressNephi, UT
Latitude39° 45' 20.97'' N (39.76°)
Longitude 111° 50' 4.55'' W (-111.83°)
Elevation1554.68m
Time and Duration
Local Date & Time2017-12-01 23:42 MST
UT Date & Time2017-12-02 06:42 UT
Duration≈3.5s
Direction
Moving directionFrom up left to down right
Descent Angle133°
Moving
Facing azimuth15.47°
First azimuth355.22°
First elevation39°
Last azimuth22.78°
Last elevation
Brightness and color
Stellar Magnitude-22
ColorLight Green, White
Concurrent Sound
ObservationUnknown
Remarks-
Delayed Sound
ObservationUnknown
Remarks-
Persistent train
ObservationYes
Duration99.99s
Length99.99°
RemarksSmoke train, stretching across the whole sky, MUCH THICKER than any plane trail
Terminal flash
ObservationYes
RemarksBright flash, then fireball moving slowly, sudden acceleration to behind mountain horizon
Fragmentation
ObservationNo
Remarks-