At first I thought it was a bright very fast moving plane as it appeared to be moving more horizontally from south to north above the foothills, then it brightened and headed down at an angle fast and the it seemed to have flames burst from the front and flaming around it much like the fireball you see around a space capsule upon reentry. Then it disappeared seemingly behind the foothills. It was super cool to see! The whole thing took maybe 5 seconds. I know the exact time as I immediately called my husband to tell him about it and pulled the time from my call log.
Location
Address
Boulder, CO
Latitude
40° 3' 34.37'' N (40.059548°)
Longitude
105° 13' 21.13'' W (-105.222536°)
Elevation
1592.699219m
Time and Duration
Local Date & Time
2019-12-06 19:26 MST
UT Date & Time
2019-12-07 02:26 UT
Duration
≈7.5s
Direction
Moving direction
From up left to down right
Descent Angle
153°
Moving
Facing azimuth
226.54°
First azimuth
232.83°
First elevation
63°
Last azimuth
258.24°
Last elevation
29°
Brightness and color
Stellar Magnitude
-7
Color
White like a normal shooting star then fiery yellow/orange just before it disappeared
