The object was very slow moving with a cone of light behind it and a rounded cloud coma in front of the nucleus.
Location
Address
Newcastle, CA
Latitude
38° 54' 57.4'' N (38.915944°)
Longitude
121° 11' 15.27'' W (-121.187576°)
Elevation
122.337m
Time and Duration
Local Date & Time
2018-04-25 05:15 PDT
UT Date & Time
2018-04-25 12:15 UT
Duration
≈7.5s
Direction
Moving direction
From down left to up right
Descent Angle
78°
Moving
Facing azimuth
244.45°
First azimuth
231.93°
First elevation
49°
Last azimuth
249.59°
Last elevation
59°
Brightness and color
Stellar Magnitude
-20
Color
Light Blue, White
Concurrent Sound
Observation
Unknown
Remarks
-
Delayed Sound
Observation
Unknown
Remarks
-
Persistent train
Observation
Yes
Duration
30s
Length
20°
Remarks
Looked more like a comet with a huge umbra, and then looked as if it went straight back up and slowly disappeared like a rocket launch. The umbra took a very long time to dissapate
