I don't know if there were any sounds made as I had my headphones on but this is the most spectacular thing I've ever seen. I have yet to hear of any other sightings in the area.
Location
Address
Covina, CA
Latitude
34° 5' 6.12'' N (34.085033°)
Longitude
117° 52' 9.77'' W (-117.86938°)
Elevation
185.295m
Time and Duration
Local Date & Time
2016-09-18 20:38 PDT
UT Date & Time
2016-09-19 03:38 UT
Duration
≈3.5s
Direction
Moving direction
From up right to down left
Descent Angle
255°
Moving
Facing azimuth
359.59°
First azimuth
31.5°
First elevation
59°
Last azimuth
334.21°
Last elevation
35°
Brightness and color
Stellar Magnitude
-16
Color
White tail, the head of the comet with several colors in shades of pink, red and yellow just to name a few that i remember