After the light went out, the dark object continued on the same trajectory. It was traveling much slower than typical and changed from a headlight to fireball with blue/green (like a flame around the object) with a tail to a dark object as it traveled from the northeast to southwest.
Location
Address
Livermore, CO
Latitude
40° 56' 46.22'' N (40.946173°)
Longitude
105° 21' 53.56'' W (-105.364879°)
Elevation
2077.773926m
Time and Duration
Local Date & Time
2015-03-11 06:00 MDT
UT Date & Time
2015-03-11 12:00 UT
Duration
≈20s
Direction
Moving direction
From up right to down left
Descent Angle
268°
Moving
Facing azimuth
314.73°
First azimuth
23.48°
First elevation
40°
Last azimuth
269.39°
Last elevation
30°
Brightness and color
Stellar Magnitude
-15
Color
It started as a headlight then changed first to blue and green then the light burnt out and the dark object was a little smaller with no light
