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Observer
Name
Katie B
Experience Level
3/5
Remarks
At first I thought it was a UFO. And then I was surprised by how quickly it seemed to be moving. I ultimately decided that it was a light on the front of a helicopter. I just couldn't imagine where it was going to land.
Location
Address
Boulder, CO
Latitude
39° 58' 33.34'' N (39.975927°)
Longitude
105° 12' 51.88'' W (-105.214412°)
Elevation
1647.639526m
Time and Duration
Local Date & Time
2015-03-11 05:58 MDT
UT Date & Time
2015-03-11 11:58 UT
Duration
≈20s
Direction
Moving direction
From up right to down left
Descent Angle
265°
Moving
Facing azimuth
305°
First azimuth
340°
First elevation
53°
Last azimuth
280°
Last elevation
45°
Brightness and color
Stellar Magnitude
-22
Color
Light Yellow
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Unknown
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
No
Remarks
-
Fragmentation
Observation
No
Remarks
-
