The meteor entered at a very shallow angle and the speed of travel was very slow. Slower than most I have observed. Based on what I saw the fragmentation happened right where it was explained. I took a wild guess during observation and found I was almost smack on when I saw the report today.
Location
Address
Oroville, WA
Latitude
48° 53' 9.19'' N (48.885886°)
Longitude
119° 13' 21.66'' W (-119.222684°)
Elevation
1061.686m
Time and Duration
Local Date & Time
2017-07-29 21:53 PDT
UT Date & Time
2017-07-30 04:53 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
92°
Moving
Facing azimuth
230.67°
First azimuth
197.65°
First elevation
31°
Last azimuth
264.48°
Last elevation
29°
Brightness and color
Stellar Magnitude
-23
Color
Yellow
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
At the end of travel brightness diminished greatly then fragmentation happened with a brief flash
Fragmentation
Observation
Yes
Remarks
I expected to see many fragments but I only saw one after a very brief wink out
