The fireball appeared 10 degrees north of zenith with a smaller fireball to the west 2 seconds before. The main fireball was unique in that from the center two light-green 'wing's' eminated on either side with what looked like firework sparks behind those.
Location
Address
Clearville, PA
Latitude
39° 49' 48.43'' N (39.830119°)
Longitude
78° 21' 13'' W (-78.353611°)
Elevation
306.526m
Time and Duration
Local Date & Time
2017-09-22 20:15 EDT
UT Date & Time
2017-09-23 00:15 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
175°
Moving
Facing azimuth
5°
First azimuth
-
First elevation
70°
Last azimuth
9.9°
Last elevation
23°
Brightness and color
Stellar Magnitude
-20
Color
Light Green
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
2s
Length
20°
Remarks
Smoke
Terminal flash
Observation
Yes
Remarks
Small flash as it winked out
Fragmentation
Observation
Yes
Remarks
2 seconds before this fireball one appeared just to the west north west and seemed associated
