I have uploaded the video to the AMS site and it also can be seen right away on the Meteor Marc youtube channel at https://youtu.be/2rFQ1YIoxM8 Enjoy your Fireball !
Location
Address
San Gabriel, CA
Latitude
34° 5' 57.32'' N (34.099256°)
Longitude
118° 4' 54.56'' W (-118.081822°)
Elevation
123.272m
Time and Duration
Local Date & Time
2017-09-17 19:16 PDT
UT Date & Time
2017-09-18 02:16 UT
Duration
≈3.5s
Direction
Moving direction
From up right to down left
Descent Angle
269°
Moving
Facing azimuth
207.81°
First azimuth
219.03°
First elevation
23°
Last azimuth
203.32°
Last elevation
22°
Brightness and color
Stellar Magnitude
-8
Color
White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
No
Remarks
-
Fragmentation
Observation
Yes
Remarks
This fireball broke onto 2 pieces at the end with one trailing behind along the same path. This can be seen on the video posted.