AMS received 11 reports about a fireball seen over England, Limburg, Noord-Brabant, Noord-Holland, Overijssel, Utrecht, Vlaams Gewest and Zuid-Holland on Monday, December 20th 2021 around 22:06 UT.







Each witness has a "level" of experience from 1 to 5 - 5 is the highest level of experience.
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| ID | UT Date & Time | Local Date & Time | City | State | Dur. | Magn. | D. Sound | C. Sound | Frag. | Observer | Exp. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| a | 2021-12-20 22:04 UT | 2021-12-20 23:04 CET | Hilversum | Noord-Holland | ≈3.5s | -10 | - | - | Albert G | 2 | |
| b | 2021-12-20 22:05 UT | 2021-12-20 23:05 CET | Beek en Donk | Noord-Brabant | <1s | -13 | - | - | Iris J | 1 | |
| c | 2021-12-20 22:05 UT | 2021-12-20 23:05 CET | Rotterdam | Zuid-Holland | <1s | -13 | - | - | Marc D | 1 | |
| d | 2021-12-20 22:06 UT | 2021-12-20 23:06 CET | Daarle | Overijssel | ≈1.5s | -16 | - | - | Richard G | 3 | |
| e | 2021-12-20 22:07 UT | 2021-12-20 23:07 CET | Kerkrade | Limburg | ≈1.5s | -8 | ? | ? | ? | Hensie p | 4 |
| f | 2021-12-20 22:08 UT | 2021-12-20 22:08 GMT | Felmingham | England | ≈3.5s | -8 | - | - | Eleanor R | 2 | |
| g | 2021-12-20 22:09 UT | 2021-12-20 23:09 CET | Ankeveen | Noord-Holland | ≈1.5s | -8 | - | - | Davy S | 2 | |
| h | 2021-12-20 22:09 UT | 2021-12-20 23:09 CET | Herentals | Vlaams Gewest | ≈1.5s | -10 | - | - | Jens V | 1 | |
| i | 2021-12-20 22:08 UT | 2021-12-20 23:08 CET | Bilzen | Vlaams Gewest | ≈1.5s | -5 | - | - | - | Jonas C | 1 |
| k | 2021-12-20 22:00 UT | 2021-12-20 23:00 CET | Baarn | Utrecht | ≈3.5s | -10 | - | - | - | Liz v | 3 |
| l | 2021-12-20 22:06 UT | 2021-12-20 23:06 CET | Mol | Vlaams Gewest | ≈3.5s | -22 | - | - | Floris D | 2 |