| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 02 22.01582 | 11 24 50.65 | +53 50 17.8 | 16.5 | N | 461 |
| C/2019 Y4 | 2020 02 22.01839 | 11 24 50.28 | +53 50 23.7 | 16.5 | N | 461 |
| C/2019 Y4 | 2020 02 22.02530 | 11 24 49.56 | +53 50 38.5 | 15.6 | N | J01 |
| C/2019 Y4 | 2020 02 22.03470 | 11 24 48.31 | +53 50 58.7 | 15.6 | N | J01 |
| C/2019 Y4 | 2020 02 22.20041 | 11 24 25.54 | +53 56 55.5 | 16.4 | V | A77 |
| C/2019 Y4 | 2020 02 22.20617 | 11 24 24.76 | +53 57 07.7 | 16.4 | V | A77 |
| C/2019 Y4 | 2020 02 22.21192 | 11 24 23.99 | +53 57 20.2 | 14.4 | T | A77 |
| C/2019 Y4 | 2020 02 22.34432 | 11 24 06.45 | +54 02 06.8 | 15.0 | V | 850 |
| C/2019 Y4 | 2020 02 22.35159 | 11 24 05.41 | +54 02 22.7 | 14.9 | V | 850 |
| C/2019 Y4 | 2020 02 22.35959 | 11 24 04.35 | +54 02 39.7 | 15.0 | V | 850 |
| C/2019 Y4 | 2020 02 22.36683 | 11 24 03.30 | +54 02 55.2 | 15.1 | V | 850 |
| C/2019 Y4 | 2020 02 22.37410 | 11 24 02.29 | +54 03 11.0 | 14.9 | V | 850 |
| C/2019 Y4 | 2020 02 22.56248 | 11 23 37.38 | +54 09 56.3 | 13.2 | T | 349 |
| C/2019 Y4 | 2020 02 22.56804 | 11 23 36.63 | +54 10 08.1 | 349 | ||
| C/2019 Y4 | 2020 02 22.81340 | 11 23 02.94 | +54 18 56.7 | 15.7 | V | K73 |
| C/2019 Y4 | 2020 02 22.82013 | 11 23 02.00 | +54 19 09.6 | 14.9 | V | K73 |
| C/2019 Y4 | 2020 02 22.83707 | 11 22 59.66 | +54 19 45.7 | 15.5 | N | Z55 |
| C/2019 Y4 | 2020 02 22.83743 | 11 22 59.64 | +54 19 46.8 | 15.5 | N | Z55 |
| C/2019 Y4 | 2020 02 22.83780 | 11 22 59.56 | +54 19 47.4 | 15.5 | N | Z55 |
| C/2019 Y4 | 2020 02 22.83817 | 11 22 59.52 | +54 19 48.3 | 15.5 | N | Z55 |