My estimate of time is approximate - it was between 3:30 and 4:30 am. I was at a music festival where many people throughout the campground witnessed the fireball. It was bright enough that people noticed the light and looked up even if the fireball was not in their field of vision.
Location
Address
Lyons, CO
Latitude
40° 13' 37.45'' N (40.22707°)
Longitude
105° 16' 22.8'' W (-105.273°)
Elevation
1638.732m
Time and Duration
Local Date & Time
2016-08-01 04:00 MDT
UT Date & Time
2016-08-01 10:00 UT
Duration
≈3.5s
Direction
Moving direction
From up to down
Descent Angle
180°
Moving
Facing azimuth
15.61°
First azimuth
18.79°
First elevation
51°
Last azimuth
23.51°
Last elevation
30°
Brightness and color
Stellar Magnitude
-7
Color
Yellow
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
Unknown
Remarks
-
Persistent train
Observation
Yes
Duration
99.99s
Length
35°
Remarks
Glowing train lasted maybe 15 seconds, then fading to a barely visible smoke trail that lasted a minute or two
