Video of event captured on 2 cameras posted on the Meteor Marc youtube channel at https://youtu.be/LRLGXRqwAv8 also linked this one to the AMS site as its is really bright and fat :) Great job AMS reporters as always:) Enjoy your Fireball!
Location
Address
San Gabriel, CA
Latitude
34° 5' 57.16'' N (34.099212°)
Longitude
118° 4' 54.71'' W (-118.081865°)
Elevation
123.166m
Time and Duration
Local Date & Time
2017-08-02 01:58 PDT
UT Date & Time
2017-08-02 08:58 UT
Duration
≈3.5s
Direction
Moving direction
From up right to down left
Descent Angle
249°
Moving
Facing azimuth
158.5°
First azimuth
125.71°
First elevation
34°
Last azimuth
109.62°
Last elevation
28°
Brightness and color
Stellar Magnitude
-18
Color
Green
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
2s
Length
4°
Remarks
train remains for a second of so in the video
Terminal flash
Observation
Yes
Remarks
Decent terminal flash but then fireball goes behing a cloud in the video, there may have been another larger terminal flash but obscured by clouds in the capture.