| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 T1 | 1998 10 20.26348 | 01 15 22.16 | +19 44 57.1 | 658 | ||
| C/1998 T1 | 1998 10 20.87487 | 01 13 57.12 | +19 36 07.4 | 15.5 | T | 504 |
| C/1998 T1 | 1998 10 20.87557 | 01 13 56.97 | +19 36 06.6 | 15.6 | T | 504 |
| C/1998 T1 | 1998 10 20.87806 | 01 13 56.66 | +19 36 04.7 | 15.5 | T | 504 |
| C/1998 T1 | 1998 10 20.87910 | 01 13 56.49 | +19 36 03.8 | 15.5 | T | 504 |
| C/1998 T1 | 1998 10 20.88609 | 01 13 55.51 | +19 35 57.1 | 15.3 | T | 504 |
| C/1998 T1 | 1998 10 20.88868 | 01 13 55.13 | +19 35 54.7 | 504 | ||
| C/1998 T1 | 1998 10 20.88953 | 01 13 55.01 | +19 35 54.5 | 15.5 | T | 504 |
| C/1998 T1 | 1998 10 21.51087 | 01 12 28.43 | +19 26 49.3 | 15.8 | T | 402 |
| C/1998 T1 | 1998 10 21.51226 | 01 12 28.22 | +19 26 48.2 | 402 | ||
| C/1998 T1 | 1998 10 21.51365 | 01 12 28.02 | +19 26 47.2 | 402 | ||
| C/1998 T1 | 1998 10 21.56563 | 01 12 20.72 | +19 26 01.4 | 360 | ||
| C/1998 T1 | 1998 10 21.57726 | 01 12 19.07 | +19 25 51.2 | 360 | ||
| C/1998 T1 | 1998 10 21.58299 | 01 12 18.26 | +19 25 46.0 | 360 | ||
| C/1998 T1 | 1998 10 21.64167 | 01 12 09.94 | +19 24 56.0 | 16.5 | T | 372 |
| C/1998 T1 | 1998 10 22.51803 | 01 10 07.75 | +19 11 52.8 | 15.3 | T | 402 |
| C/1998 T1 | 1998 10 22.52081 | 01 10 07.35 | +19 11 50.3 | 402 | ||
| C/1998 T1 | 1998 10 22.52220 | 01 10 07.15 | +19 11 48.9 | 402 | ||
| C/1998 T1 | 1998 10 22.77419 | 01 09 31.99 | +19 08 01.3 | 16.6 | T | 120 |
| C/1998 T1 | 1998 10 22.77618 | 01 09 31.71 | +19 07 59.4 | 16.5 | T | 120 |