I was also an observer of the rocket launch from Vandenberg Air Force Base. Thought it was strange to see two different occurrences within days of each other.
Location
Address
Oceanside, CA
Latitude
33° 14' 47.02'' N (33.246395°)
Longitude
117° 18' 44.39'' W (-117.31233°)
Elevation
22.036m
Time and Duration
Local Date & Time
2017-12-24 17:13 PST
UT Date & Time
2017-12-25 01:13 UT
Duration
≈7.5s
Direction
Moving direction
From up left to down right
Descent Angle
118°
Moving
Facing azimuth
158.44°
First azimuth
103.41°
First elevation
66°
Last azimuth
169.41°
Last elevation
40°
Brightness and color
Stellar Magnitude
-26
Color
Orange
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
It was just a small flash and I think that’s what first caught my eye.