| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 T1 | 1998 11 20.01423 | 00 08 38.74 | +11 10 24.5 | 16.6 | T | 860 |
| C/1998 T1 | 1998 11 20.01664 | 00 08 38.51 | +11 10 23.2 | 16.6 | T | 860 |
| C/1998 T1 | 1998 11 20.01898 | 00 08 38.29 | +11 10 21.1 | 16.2 | T | 860 |
| C/1998 T1 | 1998 11 20.02097 | 00 08 38.16 | +11 10 18.5 | 16.3 | T | 860 |
| C/1998 T1 | 1998 11 20.17794 | 00 08 21.34 | +11 07 39.7 | 16.2 | T | 699 |
| C/1998 T1 | 1998 11 20.20350 | 00 08 18.59 | +11 07 14.2 | 699 | ||
| C/1998 T1 | 1998 11 20.22902 | 00 08 15.83 | +11 06 49.3 | 699 | ||
| C/1998 T1 | 1998 11 23.17819 | 00 03 06.10 | +10 17 47.3 | 693 | ||
| C/1998 T1 | 1998 11 23.18747 | 00 03 05.16 | +10 17 38.3 | 693 | ||
| C/1998 T1 | 1998 11 23.19331 | 00 03 04.56 | +10 17 32.6 | 693 | ||
| C/1998 T1 | 1998 11 23.52049 | 00 02 31.33 | +10 12 11.3 | 16.2 | T | 360 |
| C/1998 T1 | 1998 11 23.52396 | 00 02 30.97 | +10 12 08.3 | 360 | ||
| C/1998 T1 | 1998 11 24.08072 | 00 01 34.98 | +10 03 05.5 | 17.0 | T | 750 |
| C/1998 T1 | 1998 11 24.09336 | 00 01 33.55 | +10 02 50.9 | 15.7 | T | 750 |
| C/1998 T1 | 1998 11 25.73422 | 23 58 52.49 | +09 36 27.0 | 046 | ||
| C/1998 T1 | 1998 11 25.73561 | 23 58 52.35 | +09 36 25.7 | 046 | ||
| C/1998 T1 | 1998 11 25.73694 | 23 58 52.23 | +09 36 24.7 | 046 | ||
| C/1998 T1 | 1998 11 25.73825 | 23 58 52.11 | +09 36 23.3 | 046 | ||
| C/1998 T1 | 1998 11 26.41166 | 23 57 47.56 | +09 25 42.9 | 17.2 | T | 402 |
| C/1998 T1 | 1998 11 26.41304 | 23 57 47.45 | +09 25 41.8 | 402 |