| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 01 02.82876 | 11 47 05.70 | +31 59 48.0 | 19.4 | R | C42 |
| C/2019 Y4 | 2020 01 02.84017 | 11 47 06.02 | +31 59 59.8 | 19.2 | R | C42 |
| C/2019 Y4 | 2020 01 02.85162 | 11 47 06.41 | +32 00 09.4 | 19.5 | R | C42 |
| C/2019 Y4 | 2020 01 03.03362 | 11 47 11.40 | +32 02 46.9 | 19.2 | V | A71 |
| C/2019 Y4 | 2020 01 03.04456 | 11 47 11.69 | +32 02 55.6 | 19.3 | V | A71 |
| C/2019 Y4 | 2020 01 03.05561 | 11 47 11.97 | +32 03 06.2 | 19.1 | V | A71 |
| C/2019 Y4 | 2020 01 03.21745 | 11 47 16.37 | +32 05 27.9 | 18.7 | G | I89 |
| C/2019 Y4 | 2020 01 03.22669 | 11 47 16.66 | +32 05 35.8 | 18.6 | G | I89 |
| C/2019 Y4 | 2020 01 03.43289 | 11 47 22.45 | +32 08 38.2 | 18.8 | G | I52 |
| C/2019 Y4 | 2020 01 03.45047 | 11 47 22.98 | +32 08 53.6 | 18.9 | G | I52 |
| C/2019 Y4 | 2020 01 03.46188 | 11 47 23.29 | +32 09 03.8 | 19.2 | G | G96 |
| C/2019 Y4 | 2020 01 03.46707 | 11 47 23.42 | +32 09 08.2 | 18.9 | G | G96 |
| C/2019 Y4 | 2020 01 03.47225 | 11 47 23.57 | +32 09 12.7 | 19.1 | G | G96 |
| C/2019 Y4 | 2020 01 03.47744 | 11 47 23.67 | +32 09 17.2 | 18.9 | G | G96 |
| C/2019 Y4 | 2020 01 03.73085 | 11 47 30.71 | +32 13 02.2 | Q11 | ||
| C/2019 Y4 | 2020 01 03.73622 | 11 47 30.86 | +32 13 07.1 | Q11 | ||
| C/2019 Y4 | 2020 01 03.74156 | 11 47 31.00 | +32 13 11.7 | 18.2 | R | Q11 |
| C/2019 Y4 | 2020 01 04.11613 | 11 47 41.13 | +32 18 45.5 | 20.4 | V | 033 |
| C/2019 Y4 | 2020 01 04.11670 | 11 47 41.14 | +32 18 46.5 | 20.2 | V | 033 |
| C/2019 Y4 | 2020 01 04.11726 | 11 47 41.14 | +32 18 46.4 | 20.1 | V | 033 |