Reports Report 1133cd (Event 1133-2023)

Observer
Name Alexandra T
Experience Level 1/5
Remarks It was so bright that I thought a small plane or helicopter was going down at first. I also called 911 in case it was a flare but since it was over the lake.
Location
Address Chicago, IL
Latitude 41° 52' 32.49'' N (41.875693°)
Longitude 87° 36' 50.05'' W (-87.613903°)
Elevation 175.205704m
Time and Duration
Local Date & Time 2023-02-19 20:00 CST
UT Date & Time 2023-02-20 02:00 UT
Duration ≈3.5s
Direction
Moving direction From up right to down left
Descent Angle 232°
Moving
Facing azimuth 77.59°
First azimuth 6.34°
First elevation 31°
Last azimuth 2.88°
Last elevation
Brightness and color
Stellar Magnitude -15
Color Dark Green, Green, Light Green
Concurrent Sound
Observation No
Remarks -
Delayed Sound
Observation No
Remarks -
Persistent train
Observation Yes
Duration 4s
Length 99.99°
Remarks The ball itself was a very bright green, followed by gray smoke train that was no wider than the ball, but was very long. I don’t for sure how many degrees…I guessed that but it was very long. And it was night out but I could still see the gray smoky trail
Terminal flash
Observation Unknown
Remarks -
Fragmentation
Observation Unknown
Remarks -