The fireball was spotted by me and by my wife. Unfortunately we were in a moving car which made precisely judging the horizon difficult. She detected some green in the trail but i did not see that. Her color vision is generally better but I have more observing experience.
Location
Address
Homewood, IL
Latitude
41° 33' 25.33'' N (41.557037°)
Longitude
87° 41' 13.08'' W (-87.686967°)
Elevation
202.070709m
Time and Duration
Local Date & Time
2021-08-14 21:59 CDT
UT Date & Time
2021-08-15 02:59 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
101°
Moving
Facing azimuth
97°
First azimuth
93.33°
First elevation
18°
Last azimuth
101.66°
Last elevation
12°
Brightness and color
Stellar Magnitude
-7
Color
Blue, White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
2s
Length
15°
Remarks
Bright glowing trail that faded quickly. But very distinct.
Terminal flash
Observation
Yes
Remarks
One bright flash possibly preceded by smaller flashes.
Fragmentation
Observation
Yes
Remarks
There was at least one major fragmentation. A bright flash followed by a gap in the trail then one or two smaller glowing pieces