| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 02 06.00361 | 11 47 02.28 | +44 46 14.7 | 17.5 | V | A71 |
| C/2019 Y4 | 2020 02 06.01254 | 11 47 01.85 | +44 46 31.5 | 17.8 | V | A71 |
| C/2019 Y4 | 2020 02 06.02133 | 11 47 01.43 | +44 46 47.1 | 17.5 | V | A71 |
| C/2019 Y4 | 2020 02 06.03057 | 11 47 01.04 | +44 47 04.6 | 17.3 | V | A71 |
| C/2019 Y4 | 2020 02 06.04054 | 11 47 00.58 | +44 47 23.2 | 17.4 | V | A71 |
| C/2019 Y4 | 2020 02 06.04940 | 11 47 00.15 | +44 47 39.9 | 17.4 | V | A71 |
| C/2019 Y4 | 2020 02 06.05827 | 11 46 59.74 | +44 47 56.2 | 17.6 | V | A71 |
| C/2019 Y4 | 2020 02 06.29183 | 11 46 49.63 | +44 55 11.2 | 16.8 | G | G96 |
| C/2019 Y4 | 2020 02 06.29811 | 11 46 49.33 | +44 55 23.1 | 16.8 | G | G96 |
| C/2019 Y4 | 2020 02 06.30332 | 11 46 49.08 | +44 55 32.8 | 16.8 | G | G96 |
| C/2019 Y4 | 2020 02 06.30852 | 11 46 48.84 | +44 55 42.6 | 16.8 | G | G96 |
| C/2019 Y4 | 2020 02 07.04444 | 11 46 14.47 | +45 18 41.8 | 16.9 | G | C23 |
| C/2019 Y4 | 2020 02 07.04732 | 11 46 14.38 | +45 18 47.3 | 17.1 | G | C23 |
| C/2019 Y4 | 2020 02 07.05165 | 11 46 14.15 | +45 18 55.6 | 17.1 | G | C23 |
| C/2019 Y4 | 2020 02 10.68446 | 11 42 52.02 | +47 16 03.6 | 15.5 | T | 349 |
| C/2019 Y4 | 2020 02 10.69954 | 11 42 51.00 | +47 16 33.4 | 349 | ||
| C/2019 Y4 | 2020 02 10.71462 | 11 42 50.01 | +47 17 03.5 | 349 | ||
| C/2019 Y4 | 2020 02 14.00648 | 11 38 53.06 | +49 07 48.1 | 15.8 | R | I81 |
| C/2019 Y4 | 2020 02 14.01003 | 11 38 52.77 | +49 07 55.4 | 15.9 | R | I81 |
| C/2019 Y4 | 2020 02 14.01359 | 11 38 52.45 | +49 08 02.2 | 16.0 | R | I81 |