Thanks for this opportunity to report my siting - two of us saw the separation/explosion.
Location
Address
Lafayette, CA
Latitude
37° 53' 32.39'' N (37.892331°)
Longitude
122° 10' 5.54'' W (-122.168205°)
Elevation
-
Time and Duration
Local Date & Time
2012-04-22 07:50 PDT
UT Date & Time
2012-04-22 14:50 UT
Duration
≈3.5s
Direction
Moving direction
From up right to down left
Descent Angle
225°
Moving
Facing azimuth
79.26197°
First azimuth
86.14935°
First elevation
50°
Last azimuth
54.52601°
Last elevation
20°
Brightness and color
Stellar Magnitude
-27
Color
hot white yellow edges sp
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
We were moving at 65 mph in a car on the freeway and heard or felt nothing - I was amazed by what I saw, never seen anything so bright and sparkling during the day