I could track the entire event for approximately 7 seconds before it passed out of view behind a tree line. It was a very bright ball of light green. no bright flashes could be seen coming from it.
Location
Address
Northwood, IA
Latitude
43° 27' 37.31'' N (43.460364°)
Longitude
93° 13' 15.71'' W (-93.221031°)
Elevation
375.406m
Time and Duration
Local Date & Time
2018-07-08 20:35 CDT
UT Date & Time
2018-07-09 01:35 UT
Duration
≈7.5s
Direction
Moving direction
From up right to down left
Descent Angle
265°
Moving
Facing azimuth
175.4°
First azimuth
190.75°
First elevation
40°
Last azimuth
126.69°
Last elevation
23°
Brightness and color
Stellar Magnitude
-8
Color
Green
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
15s
Length
15°
Remarks
very thin bright yellow/orange tinged trail that lasted a very short time after it passed. Small bits could be seen burning off of the main body, falling away fromthe train. No smoke trails could be seen from them after they burned out.
Terminal flash
Observation
No
Remarks
-
Fragmentation
Observation
Yes
Remarks
A small thin burst was visible leaving a small collection of bright fragments that fell away from the train. They glowed orange like a hot ember or a dim flare. atleast three dozen visible chucks came out all at once and dissipated from view after a few seconds.
