May have been amateur/event fireworks but only one, no sound, and inappropriate trajectory.
Location
Address
Denver, CO
Latitude
39° 41' 13.19'' N (39.686996°)
Longitude
104° 57' 52.32'' W (-104.964534°)
Elevation
1622.539795m
Time and Duration
Local Date & Time
2015-10-30 21:05 MST
UT Date & Time
2015-10-31 03:05 UT
Duration
≈3.5s
Direction
Moving direction
From up right to down left
Descent Angle
261°
Moving
Facing azimuth
170.78°
First azimuth
170.28°
First elevation
65°
Last azimuth
145.02°
Last elevation
50°
Brightness and color
Stellar Magnitude
-8
Color
White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
Increasingly grew brighter until resembled a bright light in thr sky. Basic transition looked like distant aircraft, dull and vague to short bright white and slow flash.
