| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 J1 | 1998 06 06.41523 | 06 54 23.20 | -22 05 17.6 | 10.0 | N | 426 |
| C/1998 J1 | 1998 06 07.90274 | 07 01 02.06 | -23 39 02.0 | 7.0 | T | 860 |
| C/1998 J1 | 1998 06 07.92352 | 07 01 07.64 | -23 40 18.0 | 7.4 | T | 860 |
| C/1998 J1 | 1998 06 07.93304 | 07 01 10.18 | -23 40 53.2 | 7.7 | T | 860 |
| C/1998 J1 | 1998 06 10.35162 | 07 11 36.63 | -26 01 10.8 | 8.5 | T | 428 |
| C/1998 J1 | 1998 06 10.35363 | 07 11 37.15 | -26 01 17.4 | 8.5 | T | 428 |
| C/1998 J1 | 1998 06 11.93819 | 07 18 14.44 | -27 26 01.6 | 834 | ||
| C/1998 J1 | 1998 06 14.36577 | 07 28 04.83 | -29 26 00.3 | 13.5 | N | 422 |
| C/1998 J1 | 1998 06 14.36665 | 07 28 05.05 | -29 26 03.0 | 13.5 | N | 422 |
| C/1998 J1 | 1998 06 14.36840 | 07 28 05.64 | -29 26 10.3 | 10.9 | N | 426 |
| C/1998 J1 | 1998 06 14.37512 | 07 28 07.25 | -29 26 29.5 | 10.9 | N | 426 |
| C/1998 J1 | 1998 06 14.38308 | 07 28 09.14 | -29 26 51.4 | 10.9 | N | 426 |
| C/1998 J1 | 1998 06 14.91669 | 07 30 16.20 | -29 51 46.5 | 8.4 | T | 860 |
| C/1998 J1 | 1998 06 14.92265 | 07 30 17.57 | -29 52 03.2 | 8.4 | T | 860 |
| C/1998 J1 | 1998 06 14.93137 | 07 30 19.73 | -29 52 26.0 | 8.4 | T | 860 |
| C/1998 J1 | 1998 06 17.37301 | 07 39 49.05 | -31 40 07.6 | 13.5 | N | 422 |
| C/1998 J1 | 1998 06 17.37391 | 07 39 49.26 | -31 40 10.1 | 13.4 | N | 422 |
| C/1998 J1 | 1998 06 17.37481 | 07 39 49.47 | -31 40 12.3 | 13.2 | N | 422 |
| C/1998 J1 | 1998 06 18.36908 | 07 43 36.23 | -32 21 24.4 | 13.9 | N | 422 |
| C/1998 J1 | 1998 06 18.37003 | 07 43 36.44 | -32 21 26.9 | 13.9 | N | 422 |