This was remarkable in both size and the intense blue color. I let out a loud Woooo! when I saw it which brought my mate running to see why. He caught a glimpse of the long lasting smoke train, which itself was momentarily luminous.
Location
Address
SeaTac, WA
Latitude
47° 26' 5.59'' N (47.434887°)
Longitude
122° 16' 20.22'' W (-122.272284°)
Elevation
105.858m
Time and Duration
Local Date & Time
2018-03-22 23:54 PDT
UT Date & Time
2018-03-23 06:54 UT
Duration
<1s
Direction
Moving direction
From up left to down right
Descent Angle
179°
Moving
Facing azimuth
144.77°
First azimuth
139.62°
First elevation
78°
Last azimuth
139.99°
Last elevation
25°
Brightness and color
Stellar Magnitude
-27
Color
Blue, Light Blue
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Unknown
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
Blue turned to brilliant light blue flash at end leaving smoke train that hung in air for approximately 4 to 6 seconds.
