| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 02 27.97052 | 11 09 13.07 | +57 23 29.0 | 14.1 | R | L59 |
| C/2019 Y4 | 2020 02 27.97737 | 11 09 11.77 | +57 23 42.9 | 14.0 | R | L59 |
| C/2019 Y4 | 2020 02 27.98417 | 11 09 10.49 | +57 23 57.4 | 13.9 | R | L59 |
| C/2019 Y4 | 2020 02 28.08265 | 11 08 52.04 | +57 27 30.0 | 15.2 | G | C23 |
| C/2019 Y4 | 2020 02 28.08939 | 11 08 50.77 | +57 27 44.0 | 15.0 | G | C23 |
| C/2019 Y4 | 2020 02 28.09687 | 11 08 49.36 | +57 28 00.1 | 15.2 | G | C23 |
| C/2019 Y4 | 2020 02 28.21398 | 11 08 28.12 | +57 32 11.1 | 15.5 | V | 850 |
| C/2019 Y4 | 2020 02 28.24555 | 11 08 22.08 | +57 33 18.2 | 15.5 | V | 850 |
| C/2019 Y4 | 2020 02 28.82386 | 11 06 32.78 | +57 53 37.3 | 14.8 | V | G23 |
| C/2019 Y4 | 2020 02 28.84412 | 11 06 28.80 | +57 54 22.0 | 14.7 | V | G23 |
| C/2019 Y4 | 2020 02 28.84567 | 11 06 28.50 | +57 54 24.3 | 14.6 | V | A71 |
| C/2019 Y4 | 2020 02 28.85998 | 11 06 25.77 | +57 54 54.3 | 15.1 | V | A71 |
| C/2019 Y4 | 2020 02 28.86507 | 11 06 24.73 | +57 55 05.1 | 14.7 | V | G23 |
| C/2019 Y4 | 2020 02 28.89993 | 11 06 18.29 | +57 56 20.0 | 14.9 | N | Z39 |
| C/2019 Y4 | 2020 02 28.90734 | 11 06 16.77 | +57 56 35.8 | 14.8 | N | Z39 |
| C/2019 Y4 | 2020 02 28.91479 | 11 06 15.33 | +57 56 51.6 | 14.9 | N | Z39 |
| C/2019 Y4 | 2020 02 28.96375 | 11 06 05.34 | +57 58 35.2 | 14.9 | G | L39 |
| C/2019 Y4 | 2020 02 28.96539 | 11 06 05.01 | +57 58 38.3 | 15.5 | V | A71 |
| C/2019 Y4 | 2020 02 28.96998 | 11 06 04.06 | +57 58 48.8 | 15.0 | G | L39 |
| C/2019 Y4 | 2020 02 28.97882 | 11 06 02.40 | +57 59 07.5 | 15.0 | G | L39 |