Direction from which the phenomenom entered the field of vision of the witness.
Direction from which the phenomenom left the field of vision of the witness.
The witness saw the phenomenon travelling from right to left.
The witness saw the phenomenon travelling from left to right.
The witness didn't provide enough information about the diretion of the phenomenon.
The witness heard a sound at same moment of viewing phenomenon (concurrent sound).
The witness heard a delayed sound, after initial view of phenomenon (delayed sound).
Each witness has a "level" of experience from 1 to 5 - 5 is the highest level of experience.
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3 Videos
AMS event #993-2021
© TerryG CMMO
AMS event #993-2021
© Jeremy Liu
AMS event #993-2021
© Travis S. CMMO
3 Photos
AMS event #993-2021
© Xue S.
AMS event #993-2021
© Jeremy L.
AMS event #993-2021
© Travis S.
| ID | UT Date & Time | Local Date & Time | City | State | Dur. | Magn. | D. Sound | C. Sound | Frag. | Observer | Exp. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| a | 2021-02-20 19:43 UT | 2021-02-21 03:43 CST | Ningbo | Zhejiang | ≈3.5s | -15 | ? | ? | - | Liang Z | 3 |
| b | 2021-02-20 19:43 UT | 2021-02-21 03:43 CST | Shanghai | ≈3.5s | -11 | ? | ? | ? | Xue S | 1 | |
| c | 2021-02-20 19:43 UT | 2021-02-21 03:43 CST | Shanghai Shi | ≈3.5s | -11 | ? | ? | ? | Jeremy L | 1 | |
| d | 2021-02-20 19:43 UT | 2021-02-21 03:43 CST | Shanghai | ≈3.5s | -11 | ? | ? | ? | TravisS C | 1 | |
| e | 2021-02-20 19:43 UT | 2021-02-21 03:43 CST | Shanghai Shi | ≈3.5s | -11 | ? | ? | ? | TerryG C | 1 | |
| f | 2021-02-20 19:43 UT | 2021-02-21 03:43 CST | Shanghai | ≈3.5s | -16 | ? | ? | - | Travis S | 4 |