| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 J1 | 1998 05 30.37564 | 06 20 07.41 | -13 12 07.6 | 422 | ||
| C/1998 J1 | 1998 05 30.37644 | 06 20 07.67 | -13 12 11.8 | 422 | ||
| C/1998 J1 | 1998 05 31.34300 | 06 25 08.99 | -14 35 12.0 | 7.5 | T | 428 |
| C/1998 J1 | 1998 05 31.34530 | 06 25 09.72 | -14 35 23.8 | 7.5 | T | 428 |
| C/1998 J1 | 1998 05 31.35430 | 06 25 12.48 | -14 36 08.4 | 11.9 | N | 422 |
| C/1998 J1 | 1998 05 31.35506 | 06 25 12.73 | -14 36 12.1 | 12.1 | N | 422 |
| C/1998 J1 | 1998 05 31.35583 | 06 25 12.95 | -14 36 15.9 | 12.1 | N | 422 |
| C/1998 J1 | 1998 05 31.35659 | 06 25 13.20 | -14 36 19.9 | 12.1 | N | 422 |
| C/1998 J1 | 1998 05 31.36009 | 06 25 14.26 | -14 36 37.4 | 12.0 | N | 422 |
| C/1998 J1 | 1998 05 31.37188 | 06 25 17.92 | -14 37 37.2 | 9.7 | N | 426 |
| C/1998 J1 | 1998 05 31.38256 | 06 25 21.20 | -14 38 31.1 | 10.0 | N | 426 |
| C/1998 J1 | 1998 05 31.39244 | 06 25 24.23 | -14 39 20.3 | 10.0 | N | 426 |
| C/1998 J1 | 1998 05 31.92950 | 06 28 08.68 | -15 23 55.5 | 6.7 | T | 860 |
| C/1998 J1 | 1998 05 31.94333 | 06 28 12.86 | -15 25 04.2 | 6.9 | T | 860 |
| C/1998 J1 | 1998 05 31.94602 | 06 28 13.60 | -15 25 18.3 | 6.8 | T | 860 |
| C/1998 J1 | 1998 06 01.35746 | 06 30 18.06 | -15 58 42.8 | 10.8 | N | 422 |
| C/1998 J1 | 1998 06 01.35823 | 06 30 18.30 | -15 58 46.7 | 10.9 | N | 422 |
| C/1998 J1 | 1998 06 01.35898 | 06 30 18.52 | -15 58 50.5 | 10.9 | N | 422 |
| C/1998 J1 | 1998 06 01.35973 | 06 30 18.76 | -15 58 54.0 | 10.9 | N | 422 |
| C/1998 J1 | 1998 06 01.36049 | 06 30 18.98 | -15 58 57.8 | 11.0 | N | 422 |