I was driving at speed on the MA turnpike (I-90) so it is difficult for me to know my exact location and I would have been unable to hear any associated noise from it. It was fairly low on the horizon so I don't anticipate I would have heard anything anyway.
Location
Address
Westborough, MA
Latitude
42° 13' 40.78'' N (42.227995°)
Longitude
71° 38' 45.01'' W (-71.645837°)
Elevation
148.516m
Time and Duration
Local Date & Time
2016-01-05 05:40 EST
UT Date & Time
2016-01-05 10:40 UT
Duration
≈1.5s
Direction
Moving direction
From up left to down right
Descent Angle
115°
Moving
Facing azimuth
99.23°
First azimuth
65.81°
First elevation
19°
Last azimuth
85.86°
Last elevation
9°
Brightness and color
Stellar Magnitude
-12
Color
Green, Light Yellow, White
Concurrent Sound
Observation
Unknown
Remarks
-
Delayed Sound
Observation
Unknown
Remarks
-
Persistent train
Observation
Unknown
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
Short duration (only 1-2 seconds) but it got progressively brighter and culminated in a somewhat bright flash before dimming rapidly.