| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 T1 | 1999 01 01.07370 | 23 22 26.23 | +02 25 14.8 | 17.3 | T | 699 |
| C/1998 T1 | 1999 01 01.09667 | 23 22 25.55 | +02 25 04.1 | 699 | ||
| C/1998 T1 | 1999 01 01.11965 | 23 22 24.93 | +02 24 53.9 | 699 | ||
| C/1998 T1 | 1999 01 01.40531 | 23 22 16.86 | +02 22 39.8 | 16.6 | T | 897 |
| C/1998 T1 | 1999 01 01.41227 | 23 22 16.63 | +02 22 37.5 | 897 | ||
| C/1998 T1 | 1999 01 01.41921 | 23 22 16.46 | +02 22 33.5 | 897 | ||
| C/1998 T1 | 1999 01 09.71692 | 23 19 11.06 | +01 24 58.2 | 143 | ||
| C/1998 T1 | 1999 01 09.72476 | 23 19 10.92 | +01 24 56.2 | 143 | ||
| C/1998 T1 | 1999 01 09.73259 | 23 19 10.80 | +01 24 52.3 | 143 | ||
| C/1998 T1 | 1999 01 13.41615 | 23 18 15.54 | +01 03 12.5 | 16.4 | T | 360 |
| C/1998 T1 | 1999 01 13.42448 | 23 18 15.43 | +01 03 10.1 | 360 | ||
| C/1998 T1 | 1999 06 13.34449 | 22 58 21.82 | -17 26 41.0 | 844 | ||
| C/1998 T1 | 1999 06 13.34707 | 22 58 21.36 | -17 26 50.7 | 844 | ||
| C/1998 T1 | 1999 06 14.30323 | 22 54 53.81 | -18 21 08.7 | 834 | ||
| C/1998 T1 | 1999 06 14.72159 | 22 53 17.20 | -18 46 15.5 | 349 | ||
| C/1998 T1 | 1999 06 14.72266 | 22 53 16.90 | -18 46 19.8 | 13.1 | T | 349 |
| C/1998 T1 | 1999 06 20.72719 | 22 20 43.52 | -26 18 06.8 | 12.4 | T | 367 |
| C/1998 T1 | 1999 06 20.72998 | 22 20 42.27 | -26 18 22.0 | 367 | ||
| C/1998 T1 | 1999 06 20.73274 | 22 20 41.05 | -26 18 37.1 | 367 | ||
| C/1998 T1 | 1999 06 21.20712 | 22 17 06.46 | -27 02 29.7 | 834 |