At first I though it was fire works so I waited for more. No more followed. After checking this site to see that others had witnessed the same thing I figured it was probably a meteor.
Location
Address
Boulder, CO
Latitude
40° 1' 56.62'' N (40.032394°)
Longitude
105° 16' 10.01'' W (-105.269448°)
Elevation
1634.128m
Time and Duration
Local Date & Time
2016-11-09 19:46 MST
UT Date & Time
2016-11-10 02:46 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
94°
Moving
Facing azimuth
264.27°
First azimuth
255.8°
First elevation
27°
Last azimuth
268.99°
Last elevation
24°
Brightness and color
Stellar Magnitude
-11
Color
Orange, Red
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
2s
Length
15°
Remarks
flashes of warm colored light that looked very much like fireworks
Terminal flash
Observation
Yes
Remarks
Seemed to burn up and make a warm flash of light at the end of the event
