Reports Report 5450br (Event 5450-2017)

Name Gary P
Experience Level 1/5
Remarks Really interesting experience! I’d love to hear if others reported it. I was driving at it on the highway at the moment and only wish I’d been outside of my vehicle to experience it.
Address Hopkinton, MA
Latitude 42° 13' 44.53'' N (42.229037°)
Longitude 71° 32' 59.31'' W (-71.549808°)
Elevation 109.898m
Time and Duration
Local Date & Time 2017-12-26 17:30 EST
UT Date & Time 2017-12-26 22:30 UT
Duration ≈3.5s
Moving direction From down right to up left
Descent Angle 337°
Facing azimuth 350.15°
First azimuth 353.96°
First elevation 30°
Last azimuth 10.82°
Last elevation 20°
Brightness and color
Stellar Magnitude -9
Color Orange, yellow, light yellow
Concurrent Sound
Observation No
Remarks -
Delayed Sound
Observation No
Remarks -
Persistent train
Observation No
Duration -
Length -
Remarks -
Terminal flash
Observation Yes
Remarks The light was shrinking until it ballooned to probably 5x its previous size.
Observation Yes
Remarks Very slight fragmentation, I believe, at the terminal flash.