Due to the vantage point and local terrain we did not see its tail or trajectory. It simply appeared as a bright intense flash towards the ground with a muffled boom. Also, clear skies. Definitely not a lightning strike.
Location
Address
, PA
Latitude
39° 58' 17.6'' N (39.971556°)
Longitude
75° 49' 54.93'' W (-75.831925°)
Elevation
132.908m
Time and Duration
Local Date & Time
2017-07-31 23:04 EDT
UT Date & Time
2017-08-01 03:04 UT
Duration
<1s
Direction
Moving direction
From up right to down left
Descent Angle
213°
Moving
Facing azimuth
-
First azimuth
164.6°
First elevation
-
Last azimuth
190.77°
Last elevation
-
Brightness and color
Stellar Magnitude
-20
Color
Light Blue, Yellow, White
Concurrent Sound
Observation
Yes
Remarks
It was very muffled boom
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Unknown
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
It was a dome of light. Yellow on the outside then a band of white then blue at its core.
