| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 Y4 | 2020 01 06.99271 | 11 48 53.88 | +33 03 39.5 | C42 | ||
| C/2019 Y4 | 2020 01 06.99734 | 11 48 54.17 | +33 03 41.9 | 246 | ||
| C/2019 Y4 | 2020 01 06.99785 | 11 48 54.19 | +33 03 42.3 | 246 | ||
| C/2019 Y4 | 2020 01 06.99890 | 11 48 54.14 | +33 03 43.1 | 246 | ||
| C/2019 Y4 | 2020 01 06.99914 | 11 48 54.08 | +33 03 43.2 | 246 | ||
| C/2019 Y4 | 2020 01 07.00398 | 11 48 54.17 | +33 03 50.6 | C42 | ||
| C/2019 Y4 | 2020 01 07.02320 | 11 48 54.75 | +33 04 06.5 | 19.3 | G | Z99 |
| C/2019 Y4 | 2020 01 07.02733 | 11 48 54.85 | +33 04 10.2 | 19.3 | G | Z99 |
| C/2019 Y4 | 2020 01 07.03141 | 11 48 54.95 | +33 04 14.2 | 18.9 | G | Z99 |
| C/2019 Y4 | 2020 01 07.38271 | 11 49 03.22 | +33 09 59.0 | 20.0 | G | I52 |
| C/2019 Y4 | 2020 01 07.38636 | 11 49 03.32 | +33 10 02.8 | 18.7 | G | I52 |
| C/2019 Y4 | 2020 01 07.39001 | 11 49 03.39 | +33 10 06.5 | 19.1 | G | I52 |
| C/2019 Y4 | 2020 01 07.39372 | 11 49 03.45 | +33 10 10.2 | 19.1 | G | I52 |
| C/2019 Y4 | 2020 01 08.21206 | 11 49 21.74 | +33 23 42.7 | 19.4 | V | A77 |
| C/2019 Y4 | 2020 01 08.21964 | 11 49 21.97 | +33 23 51.0 | 19.2 | V | A77 |
| C/2019 Y4 | 2020 01 08.22722 | 11 49 22.10 | +33 23 58.2 | 18.7 | V | A77 |
| C/2019 Y4 | 2020 01 09.17943 | 11 49 42.66 | +33 40 06.5 | 18.7 | V | G40 |
| C/2019 Y4 | 2020 01 09.19470 | 11 49 42.97 | +33 40 22.0 | 18.8 | V | G40 |
| C/2019 Y4 | 2020 01 09.20850 | 11 49 43.21 | +33 40 36.5 | 18.8 | V | G40 |
| C/2019 Y4 | 2020 01 09.38304 | 11 49 46.67 | +33 43 34.3 | 19.3 | V | 449 |