| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 01 09.40720 | 11 49 47.33 | +33 44 00.6 | 19.0 | V | 449 |
| C/2019 Y4 | 2020 01 17.03374 | 11 51 42.40 | +36 08 53.3 | 18.8 | G | 204 |
| C/2019 Y4 | 2020 01 17.05717 | 11 51 42.58 | +36 09 22.9 | 204 | ||
| C/2019 Y4 | 2020 01 20.97780 | 11 52 03.53 | +37 34 52.0 | 204 | ||
| C/2019 Y4 | 2020 01 20.98278 | 11 52 03.57 | +37 34 58.7 | 204 | ||
| C/2019 Y4 | 2020 01 20.98579 | 11 52 03.54 | +37 35 02.5 | 18.8 | G | 204 |
| C/2019 Y4 | 2020 01 28.35301 | 11 51 13.47 | +40 37 02.6 | 18.3 | V | 850 |
| C/2019 Y4 | 2020 01 28.37099 | 11 51 13.13 | +40 37 31.3 | 18.3 | V | 850 |
| C/2019 Y4 | 2020 01 28.38929 | 11 51 12.79 | +40 38 00.8 | 18.2 | V | 850 |
| C/2019 Y4 | 2020 01 28.40728 | 11 51 12.48 | +40 38 29.4 | 18.2 | V | 850 |
| C/2019 Y4 | 2020 02 01.53461 | 11 49 42.10 | +42 32 50.1 | 19.5 | G | 568 |
| C/2019 Y4 | 2020 02 01.53544 | 11 49 42.08 | +42 32 51.5 | 19.4 | G | 568 |
| C/2019 Y4 | 2020 02 01.53633 | 11 49 42.04 | +42 32 53.1 | 19.5 | G | 568 |
| C/2019 Y4 | 2020 02 01.53720 | 11 49 42.02 | +42 32 54.5 | 19.4 | G | 568 |
| C/2019 Y4 | 2020 02 02.03475 | 11 49 27.68 | +42 47 12.9 | 16.8 | R | I81 |
| C/2019 Y4 | 2020 02 02.03758 | 11 49 27.59 | +42 47 18.1 | 16.7 | R | I81 |
| C/2019 Y4 | 2020 02 02.04332 | 11 49 27.38 | +42 47 27.8 | 16.8 | R | I81 |
| C/2019 Y4 | 2020 02 02.04762 | 11 49 27.25 | +42 47 35.5 | 16.7 | R | I81 |
| C/2019 Y4 | 2020 02 02.11053 | 11 49 25.25 | +42 49 27.2 | 17.3 | V | A77 |
| C/2019 Y4 | 2020 02 02.11520 | 11 49 25.08 | +42 49 35.6 | 17.3 | V | A77 |