sorry if the descriptions were not helpful or didn\'t make any sense!
Location
Address
San Francisco, CA
Latitude
37° 48' 18.93'' N (37.805258°)
Longitude
122° 25' 42.94'' W (-122.428594°)
Elevation
-
Time and Duration
Local Date & Time
2012-10-17 19:55 PDT
UT Date & Time
2012-10-18 02:55 UT
Duration
≈3.5s
Direction
Moving direction
From right to left
Descent Angle
270°
Moving
Facing azimuth
260.59077°
First azimuth
232.66269°
First elevation
60°
Last azimuth
293.79821°
Last elevation
60°
Brightness and color
Stellar Magnitude
1
Color
while, yellow a little or
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
Yes
Remarks
there was one boom, probably about 3 minutes after. it sounded like a bomb hitting the ground (but gently) far away.
Persistent train
Observation
Yes
Duration
2s
Length
60°
Remarks
if a fist held at arm\'s length is 10 degrees, i would estimate 60-70 but not really sure. it would be longer than an arms length horizontally at an arm\'s length perpendicular to me.
Terminal flash
Observation
Unknown
Remarks
it looked like a firework with lights dropping off as it flew through the sky
