Fireball report

Reports Report 618u (Event 618-2018)

Observer
Name	Fredrick N
Experience Level	2/5
Remarks	-

Location
Address	Seattle, WA
Latitude	47° 41' 32.75'' N (47.69243°)
Longitude	122° 24' 12.46'' W (-122.40346°)
Elevation	4.299m

Time and Duration
Local Date & Time	2018-02-18 20:55 PST
UT Date & Time	2018-02-19 04:55 UT
Duration	≈3.5s

Direction
Moving direction	From up left to down right
Descent Angle	160°

Moving
Facing azimuth	259.88°
First azimuth	259.05°
First elevation	30°
Last azimuth	260.38°
Last elevation	15°

Brightness and color
Stellar Magnitude	-12
Color	Blue, Green, White

Concurrent Sound
Observation	No
Remarks	-

Delayed Sound
Observation	Unknown
Remarks	-

Persistent train
Observation	No
Duration	-
Length	-
Remarks	-

Terminal flash
Observation	Yes
Remarks	It started as a white/green streak (2 secs) then a quick blue flash and continued as a brighter blue streak (2-3 secs) then another quick blue flash and 3-4 tiny fragments that only lasted half a second.

Fragmentation
Observation	Yes
Remarks	3 to 4 quick, short lasting green ( less than or equal to half a second) fragments after the terminal explosion. The fragments seemed to travel nearly perpendicular to the path the fireball travelled.

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