First time in my life I have ever heard one.. Wow!!!
Location
Address
Littleton, CO
Latitude
39° 40' 23.53'' N (39.673204°)
Longitude
105° 13' 50.75'' W (-105.230763°)
Elevation
2112.584473m
Time and Duration
Local Date & Time
2021-10-03 04:40 MDT
UT Date & Time
2021-10-03 10:40 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
104°
Moving
Facing azimuth
-
First azimuth
275°
First elevation
-
Last azimuth
285°
Last elevation
-
Brightness and color
Stellar Magnitude
-25
Color
White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
Yes
Remarks
Boom followed by constant rumbling and smaller booms for around 20-30 seconds. Sound to me was 90-120 seconds. Estimate the object was 20-30 miles from me. Could feel the brink in my house shaking as I was leaning against the brick and could feel it.
Persistent train
Observation
Unknown
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
Initial bright flash flicker flicker then some fade and then super bright again.
