Brightness estimation might be skewed. I was in my car and the fireball was high enough that it was in the tinted portion of my windshield. I've estimated as best as possible (imagining the full moon in that same part of my windshield), but I am less confident of that measurement.
Location
Address
Edmonds, WA
Latitude
47° 48' 37.69'' N (47.81047°)
Longitude
122° 22' 1.81'' W (-122.36717°)
Elevation
61.899m
Time and Duration
Local Date & Time
2017-01-27 22:53 PST
UT Date & Time
2017-01-28 06:53 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
145°
Moving
Facing azimuth
90°
First azimuth
90°
First elevation
40°
Last azimuth
95°
Last elevation
20°
Brightness and color
Stellar Magnitude
-12
Color
Light Yellow, White
Concurrent Sound
Observation
Unknown
Remarks
-
Delayed Sound
Observation
Unknown
Remarks
-
Persistent train
Observation
Yes
Duration
1s
Length
10°
Remarks
a smoke trail
Terminal flash
Observation
Unknown
Remarks
-
Fragmentation
Observation
Yes
Remarks
Near the end of the fireball, the object appeared to break into two to three pieces that burned briefly before extinguishing
