I was on top of the small dome at MIT observing the night I saw the fireball. This is a delayed report but I remember the circumstances due to other significant events of the day.
Location
Address
Cambridge, MA
Latitude
42° 21' 33.15'' N (42.359208°)
Longitude
71° 5' 34.73'' W (-71.09298°)
Elevation
1.45765m
Time and Duration
Local Date & Time
2013-06-02 00:30 EST
UT Date & Time
2013-06-02 04:30 UT
Duration
≈3.5s
Direction
Moving direction
From left to right
Descent Angle
90°
Moving
Facing azimuth
147.28°
First azimuth
130.94°
First elevation
18°
Last azimuth
155.97°
Last elevation
19°
Brightness and color
Stellar Magnitude
-16
Color
Dark Green, Green, Light Green, White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
90s
Length
60°
Remarks
White smoke trail, clearly visible at night.
Terminal flash
Observation
Yes
Remarks
Bright white lights as fragments fell off the object.
Fragmentation
Observation
Yes
Remarks
Green/white coloration on fragments as they fall. Largest object continued for a few seconds until it finally stopped emitting light.
