This event lasted long enough to comment to my husband and give him time to look up. The final burst was surprisingly large and low. Left us speechless.
Location
Address
Sherwood Park, Alberta (CA)
Latitude
53° 30' 57.95'' N (53.516097°)
Longitude
113° 22' 5.3'' W (-113.36814°)
Elevation
695.179m
Time and Duration
Local Date & Time
2018-02-12 21:40 MST
UT Date & Time
2018-02-13 04:40 UT
Duration
≈7.5s
Direction
Moving direction
From up right to down left
Descent Angle
197°
Moving
Facing azimuth
52.63°
First azimuth
52.04°
First elevation
50°
Last azimuth
27.64°
Last elevation
30°
Brightness and color
Stellar Magnitude
-20
Color
Yellow, Light Yellow, White
Concurrent Sound
Observation
Unknown
Remarks
-
Delayed Sound
Observation
Unknown
Remarks
-
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
Streak of white light for about 5 seconds then a large burst of yellow and white. The burst was quite large and low when it disappeared into darkness.