The green color and lack of sound threw me off. I watched it through my arched front window as I was watching sports on my TV.
Location
Address
Cambridge, MA
Latitude
42° 23' 38.44'' N (42.39401°)
Longitude
71° 9' 20.37'' W (-71.155659°)
Elevation
4.233m
Time and Duration
Local Date & Time
2016-05-17 00:20 EDT
UT Date & Time
2016-05-17 04:20 UT
Duration
≈3.5s
Direction
Moving direction
From down left to up right
Descent Angle
43°
Moving
Facing azimuth
358.95°
First azimuth
355.59°
First elevation
-
Last azimuth
9.22°
Last elevation
3°
Brightness and color
Stellar Magnitude
-12
Color
Green
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
3s
Length
19°
Remarks
It looked like a green firework beyond my neighbors house accross the street. It formed a trail from approximately 20' above rooftop from left to right.
