| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 T1 | 1998 10 22.78491 | 01 09 30.48 | +19 07 51.7 | 16.4 | T | 120 |
| C/1998 T1 | 1998 10 22.78674 | 01 09 30.25 | +19 07 49.7 | 16.4 | T | 120 |
| C/1998 T1 | 1998 10 24.56597 | 01 05 21.18 | +18 40 39.8 | 16.1 | T | 360 |
| C/1998 T1 | 1998 10 24.56840 | 01 05 20.84 | +18 40 37.4 | 360 | ||
| C/1998 T1 | 1998 10 24.57083 | 01 05 20.50 | +18 40 35.2 | 360 | ||
| C/1998 T1 | 1998 10 24.60069 | 01 05 16.12 | +18 40 08.6 | 16.3 | T | 372 |
| C/1998 T1 | 1998 10 24.60130 | 01 05 16.17 | +18 40 07.6 | 897 | ||
| C/1998 T1 | 1998 10 24.60792 | 01 05 15.23 | +18 40 01.1 | 15.8 | T | 897 |
| C/1998 T1 | 1998 10 24.61182 | 01 05 14.66 | +18 39 57.0 | 897 | ||
| C/1998 T1 | 1998 10 24.61202 | 01 05 14.55 | +18 39 56.8 | 16.0 | T | 886 |
| C/1998 T1 | 1998 10 24.62338 | 01 05 12.93 | +18 39 48.0 | 886 | ||
| C/1998 T1 | 1998 10 24.69480 | 01 05 02.97 | +18 38 39.7 | 16.0 | T | 355 |
| C/1998 T1 | 1998 10 24.70117 | 01 05 02.06 | +18 38 33.5 | 355 | ||
| C/1998 T1 | 1998 10 24.70396 | 01 05 01.68 | +18 38 30.8 | 355 | ||
| C/1998 T1 | 1998 10 25.54925 | 01 03 03.62 | +18 25 18.5 | 15.8 | T | 402 |
| C/1998 T1 | 1998 10 25.55064 | 01 03 03.43 | +18 25 17.2 | 402 | ||
| C/1998 T1 | 1998 10 25.55202 | 01 03 03.23 | +18 25 15.8 | 402 | ||
| C/1998 T1 | 1998 10 25.58786 | 01 02 58.18 | +18 24 42.5 | 15.6 | T | 867 |
| C/1998 T1 | 1998 10 25.59203 | 01 02 57.57 | +18 24 38.6 | 867 | ||
| C/1998 T1 | 1998 10 25.59654 | 01 02 56.94 | +18 24 34.3 | 867 |