Much of the event was obscured by the art museum but from where I stood it seemed to only appear no more and possibly slightly less than 10° above the building. There were several helicopters in the air so I can't say whether it made a sound or not.
Location
Address
Philadelphia, PA
Latitude
39° 57' 46.99'' N (39.963054°)
Longitude
75° 10' 43.75'' W (-75.17882°)
Elevation
11.905304m
Time and Duration
Local Date & Time
2014-12-03 20:30 EST
UT Date & Time
2014-12-04 01:30 UT
Duration
≈3.5s
Direction
Moving direction
From up right to down left
Descent Angle
225°
Moving
Facing azimuth
322.64°
First azimuth
328.86°
First elevation
55°
Last azimuth
321.39°
Last elevation
-
Brightness and color
Stellar Magnitude
-11
Color
White light
Concurrent Sound
Observation
Unknown
Remarks
-
Delayed Sound
Observation
Unknown
Remarks
-
Persistent train
Observation
Yes
Duration
2s
Length
4°
Remarks
Light illuminated a thick billowing trail of white smoke
