| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 02 27.04950 | 11 11 58.62 | +56 50 49.5 | 14.6 | R | I81 |
| C/2019 Y4 | 2020 02 27.05381 | 11 11 57.84 | +56 50 58.3 | 14.6 | R | I81 |
| C/2019 Y4 | 2020 02 27.18095 | 11 11 34.90 | +56 55 30.6 | 16.2 | V | A77 |
| C/2019 Y4 | 2020 02 27.18355 | 11 11 34.42 | +56 55 36.2 | 16.2 | V | A77 |
| C/2019 Y4 | 2020 02 27.18678 | 11 11 33.86 | +56 55 43.3 | 14.0 | T | A77 |
| C/2019 Y4 | 2020 02 27.37902 | 11 10 59.91 | +57 02 33.5 | 14.0 | N | H45 |
| C/2019 Y4 | 2020 02 27.38123 | 11 10 59.52 | +57 02 38.8 | 14.1 | N | H45 |
| C/2019 Y4 | 2020 02 27.38320 | 11 10 59.17 | +57 02 42.9 | 14.1 | N | H45 |
| C/2019 Y4 | 2020 02 27.38528 | 11 10 58.79 | +57 02 47.3 | 14.1 | N | H45 |
| C/2019 Y4 | 2020 02 27.38660 | 11 10 58.54 | +57 02 50.1 | 14.1 | N | H45 |
| C/2019 Y4 | 2020 02 27.60640 | 11 10 19.68 | +57 10 39.6 | 12.0 | T | Q11 |
| C/2019 Y4 | 2020 02 27.61580 | 11 10 17.91 | +57 10 59.5 | Q11 | ||
| C/2019 Y4 | 2020 02 27.62374 | 11 10 16.44 | +57 11 16.5 | Q11 | ||
| C/2019 Y4 | 2020 02 27.63781 | 11 10 13.04 | +57 11 44.7 | 14.5 | o | T08 |
| C/2019 Y4 | 2020 02 27.64196 | 11 10 12.26 | +57 11 53.2 | 14.4 | o | T08 |
| C/2019 Y4 | 2020 02 27.64708 | 11 10 11.32 | +57 12 04.1 | 14.5 | o | T08 |
| C/2019 Y4 | 2020 02 27.65223 | 11 10 10.38 | +57 12 15.0 | 14.5 | o | T08 |
| C/2019 Y4 | 2020 02 27.86311 | 11 09 33.38 | +57 19 42.9 | 15.0 | N | Z50 |
| C/2019 Y4 | 2020 02 27.86630 | 11 09 32.79 | +57 19 49.5 | 15.0 | N | Z50 |
| C/2019 Y4 | 2020 02 27.86787 | 11 09 32.47 | +57 19 53.2 | 15.0 | N | Z50 |