Observer | |
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Name | Alexandra T |
Experience Level | 1/5 |
Remarks | It was so bright that I thought a small plane or helicopter was going down at first. I also called 911 in case it was a flare but since it was over the lake. |
Location | |
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Address | Chicago, IL |
Latitude | 41° 52' 32.49'' N (41.875693°) |
Longitude | 87° 36' 50.05'' W (-87.613903°) |
Elevation | 175.205704m |
Time and Duration | |
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Local Date & Time | 2023-02-19 20:00 CST |
UT Date & Time | 2023-02-20 02:00 UT |
Duration | ≈3.5s |
Direction | |
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Moving direction | From up right to down left |
Descent Angle | 232° |
Moving | |
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Facing azimuth | 77.59° |
First azimuth | 6.34° |
First elevation | 31° |
Last azimuth | 2.88° |
Last elevation | 4° |
Brightness and color | |
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Stellar Magnitude | -15 |
Color | Dark Green, Green, Light Green |
Concurrent Sound | |
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Observation | No |
Remarks | - |
Delayed Sound | |
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Observation | No |
Remarks | - |
Persistent train | |
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Observation | Yes |
Duration | 4s |
Length | 99.99° |
Remarks | The ball itself was a very bright green, followed by gray smoke train that was no wider than the ball, but was very long. I don’t for sure how many degrees…I guessed that but it was very long. And it was night out but I could still see the gray smoky trail |
Terminal flash | |
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Observation | Unknown |
Remarks | - |
Fragmentation | |
---|---|
Observation | Unknown |
Remarks | - |