Reports Report 4310az (Event 4310-2017)

Name Cooper C
Experience Level 2/5
Remarks medical school applicant so i do not take submission of empirical data lightly. Would never go through all of these questions just to report it if it wasn't the coolest thing I've ever seen.
Address Phoenix, AZ
Latitude 33° 27' 27.07'' N (33.45752°)
Longitude 111° 58' 3.31'' W (-111.967585°)
Elevation 373.505m
Time and Duration
Local Date & Time 2017-11-14 20:35 MST
UT Date & Time 2017-11-15 03:35 UT
Duration ≈1.5s
Moving direction From up left to down right
Descent Angle 141°
Facing azimuth 339.88°
First azimuth 320.61°
First elevation 35°
Last azimuth 356.34°
Last elevation 70°
Brightness and color
Stellar Magnitude -18
Color Dark Purple, Purple, Dark Blue, Yellow, White
Concurrent Sound
Observation No
Remarks -
Delayed Sound
Observation No
Remarks -
Persistent train
Observation No
Duration -
Length -
Remarks -
Terminal flash
Observation Yes
Remarks bright but small emission of white to yellow light (during and just slightly after sky lit up with an isolated area of purple hue)
Observation Yes
Remarks streak of arced white light fragmented into roughly 3 pieces one larger central and two superior and inferior peripheral fragments both yellow in color.