I\'m not 100% sure the time I reported is accurate. It happened between around 7.30 and 8 pm, but I did not check my timepiece to be certain.
Location
Address
San Francisco, CA
Latitude
37° 45' 15.83'' N (37.754396°)
Longitude
122° 25' 31.74'' W (-122.425482°)
Elevation
-
Time and Duration
Local Date & Time
2012-10-17 19:48 PDT
UT Date & Time
2012-10-18 02:48 UT
Duration
≈3.5s
Direction
Moving direction
From down right to up left
Descent Angle
305°
Moving
Facing azimuth
326.87868°
First azimuth
314.51975°
First elevation
70°
Last azimuth
333.31814°
Last elevation
73°
Brightness and color
Stellar Magnitude
-9
Color
orange
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
Yes
Remarks
I first thought it might be fireworks, or a loud cannon/ gun shot. It occurred probably within a minute of the sighting.
Persistent train
Observation
Yes
Duration
5s
Length
1°
Remarks
it appeared in 3 parts, stippled and of approximately identical length to one another, with smaller intervals (about equal to one quarter or less the length of each part) between.
