We saw this while camping. It seemed like it was right above us. It turned yellow right before it extinguished. We heard a deep boom a minute or so after. Very cool!
Location
Address
Granite Falls, WA
Latitude
47° 57' 15.52'' N (47.954311°)
Longitude
121° 22' 19.4'' W (-121.372055°)
Elevation
1434.839m
Time and Duration
Local Date & Time
2017-07-29 22:00 PDT
UT Date & Time
2017-07-30 05:00 UT
Duration
≈3.5s
Direction
Moving direction
From up right to down left
Descent Angle
263°
Moving
Facing azimuth
293.69°
First azimuth
109.72°
First elevation
90°
Last azimuth
307.32°
Last elevation
45°
Brightness and color
Stellar Magnitude
-9
Color
Blue, Green, Yellow
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
Yes
Remarks
We heard a deep boom a minute or so after the fireball disappeared
