Not sure if I marked it correctly in the report, but it was traveling approximately N/S I would guess slightly NE to SW, Guessing around 10 degrees slope. Hope that helps.
Location
Address
Boston, MA
Latitude
42° 20' 8.34'' N (42.33565°)
Longitude
71° 2' 44.96'' W (-71.045822°)
Elevation
16.979155m
Time and Duration
Local Date & Time
2014-12-29 18:35 EST
UT Date & Time
2014-12-29 23:35 UT
Duration
≈3.5s
Direction
Moving direction
From up right to down left
Descent Angle
225°
Moving
Facing azimuth
-
First azimuth
-
First elevation
19°
Last azimuth
-
Last elevation
17°
Brightness and color
Stellar Magnitude
-20
Color
Orange
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
__
Persistent train
Observation
Unknown
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
The green light appeared to brighten signifigantly shooting off orange sparks in trail and appeared to disappear