Reports Report 810d (Event 810-2021)

Observer
Name bright E
Experience Level 3/5
Remarks ball suddenly appeared with its trail, moved westerly and vanished without a trace. I was fortunate to have seen it.
Location
Address Napa, CA
Latitude 38° 20' 35.83'' N (38.343287°)
Longitude 122° 19' 12.78'' W (-122.320216°)
Elevation 25.147799m
Time and Duration
Local Date & Time 2021-02-10 18:15 PST
UT Date & Time 2021-02-11 02:15 UT
Duration ≈3.5s
Direction
Moving direction From up right to down left
Descent Angle 182°
Moving
Facing azimuth 253.93°
First azimuth 247.38°
First elevation 25°
Last azimuth 254.17°
Last elevation 25°
Brightness and color
Stellar Magnitude -27
Color Light Yellow, White
Concurrent Sound
Observation No
Remarks -
Delayed Sound
Observation No
Remarks -
Persistent train
Observation Yes
Duration 3s
Length
Remarks white glowing sparkling. started on one end of ball, same width as ball, trailing behind ball, narrowing to a point before disappearing . overall cone shaped trail
Terminal flash
Observation No
Remarks -
Fragmentation
Observation No
Remarks -