The fireball was extremely large and bright considering it was a very bright moon lit night. At first I thought someone was taking a photo or lighting a flare on the hills across the river!
Location
Address
Yellowstone National Park, WY
Latitude
44° 59' 18.31'' N (44.98842°)
Longitude
110° 41' 26.83'' W (-110.690786°)
Elevation
1722.401978m
Time and Duration
Local Date & Time
2015-09-26 20:28 MDT
UT Date & Time
2015-09-27 02:28 UT
Duration
≈3.5s
Direction
Moving direction
From down right to up left
Descent Angle
358°
Moving
Facing azimuth
87.64°
First azimuth
86.72°
First elevation
49°
Last azimuth
87.39°
Last elevation
20°
Brightness and color
Stellar Magnitude
-23
Color
Light Green, White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
5s
Length
25°
Remarks
The smoke trail was tapering and wavering and appeared brownish and white. It broadened and dissipated over time
