At first green glow and motion appeared like a firework, but duller and several times larger what a firework spark would look like. Very smooth and steady motion with slight downward curve to trajectory at end of sighting.
Location
Address
Denver, CO
Latitude
33° 23' 56.43'' N (33.399008°)
Longitude
111° 41' 5.53'' W (-111.68487°)
Elevation
-
Time and Duration
Local Date & Time
2011-12-31 20:15 MST
UT Date & Time
2012-01-01 03:15 UT
Duration
≈7.5s
Direction
Moving direction
From left to right
Descent Angle
90°
Moving
Facing azimuth
89.02343°
First azimuth
79.97206°
First elevation
25°
Last azimuth
57.96137°
Last elevation
20°
Brightness and color
Stellar Magnitude
-9
Color
green with gold tail
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
No
Duration
7s
Length
6°
Remarks
glowing train, diminished and disappeared as fireball went out
