| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2019 S4 | 2019 10 27.01188 | 03 58 26.59 | +68 40 13.3 | 20.4 | G | C95 |
| C/2019 S4 | 2019 10 27.01641 | 03 58 25.52 | +68 40 18.6 | 20.0 | G | C95 |
| C/2019 S4 | 2019 10 27.02091 | 03 58 24.78 | +68 40 22.9 | 19.6 | G | C95 |
| C/2019 S4 | 2019 10 30.58269 | 03 45 25.05 | +69 40 51.3 | Q11 | ||
| C/2019 S4 | 2019 10 30.58840 | 03 45 23.71 | +69 40 57.3 | Q11 | ||
| C/2019 S4 | 2019 10 30.59448 | 03 45 22.29 | +69 41 03.2 | 19.4 | R | Q11 |
| C/2019 S4 | 2019 11 02.29811 | 03 34 18.03 | +70 22 52.8 | H06 | ||
| C/2019 S4 | 2019 11 02.30350 | 03 34 16.55 | +70 22 57.5 | 19.6 | G | H06 |
| C/2019 S4 | 2019 11 24.89552 | 01 33 13.33 | +72 45 51.7 | 19.5 | R | 461 |
| C/2019 S4 | 2019 11 24.89984 | 01 33 11.88 | +72 45 50.9 | 19.7 | R | 461 |
| C/2019 S4 | 2019 11 24.90417 | 01 33 10.42 | +72 45 50.0 | 19.4 | R | 461 |
| C/2019 S4 | 2019 11 24.90850 | 01 33 08.95 | +72 45 49.3 | 19.7 | R | 461 |
| C/2019 S4 | 2019 11 24.91283 | 01 33 07.53 | +72 45 48.6 | 19.5 | R | 461 |
| C/2019 S4 | 2019 11 24.91716 | 01 33 06.07 | +72 45 47.8 | 19.5 | R | 461 |
| C/2019 S4 | 2019 12 16.09277 | 00 02 04.58 | +69 35 11.9 | 19.6 | r | I41 |
| C/2019 S4 | 2019 12 16.09512 | 00 02 04.21 | +69 35 10.2 | 19.5 | r | I41 |
| C/2019 S4 | 2019 12 16.11478 | 00 02 00.77 | +69 34 55.4 | 20.3 | g | I41 |
| C/2019 S4 | 2019 12 16.13690 | 00 01 56.89 | +69 34 38.7 | 20.2 | g | I41 |
| C/2019 S4 | 2019 12 17.17414 | 23 59 01.35 | +69 21 31.9 | H06 | ||
| C/2019 S4 | 2019 12 17.17776 | 23 59 00.78 | +69 21 29.2 | 18.9 | G | H06 |