Reports Report 5311bg (Event 5311-2017)

Name kevin s
Experience Level 4/5
Remarks the 'green impact? flash' and the black shape seen in the center of the fireball were firsts for me
Address East Dubuque, IA
Latitude 42° 28' 4.3'' N (42.467862°)
Longitude 90° 36' 20.63'' W (-90.60573°)
Elevation 187.203m
Time and Duration
Local Date & Time 2017-12-18 23:52 CST
UT Date & Time 2017-12-19 05:52 UT
Duration ≈3.5s
Moving direction From down left to up right
Descent Angle 22°
Facing azimuth 98.04°
First azimuth 99°
First elevation 70°
Last azimuth 95°
Last elevation -
Brightness and color
Stellar Magnitude -6
Color lt yellow to yellowish to orangish yellow to lt green to green from start to end
Concurrent Sound
Observation Unknown
Remarks -
Delayed Sound
Observation No
Remarks -
Persistent train
Observation No
Duration -
Length -
Remarks -
Terminal flash
Observation Yes
Remarks a beat after i saw it disappear behind the hill i saw a half spherical shaped green flash brighter at the center horizon area fading out to the top and sides.
Observation Yes
Remarks the head of the fireball was very elongated and the last few split seconds before it went behind the horizon noticed dark spot/specks at the center of the fireball bottom head portion.