| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 T1 | 1998 10 29.58819 | 00 53 40.88 | +17 20 05.2 | 16.1 | T | 360 |
| C/1998 T1 | 1998 10 29.59063 | 00 53 40.56 | +17 20 02.6 | 360 | ||
| C/1998 T1 | 1998 10 31.54868 | 00 49 10.62 | +16 47 21.2 | 15.7 | T | 402 |
| C/1998 T1 | 1998 10 31.55007 | 00 49 10.42 | +16 47 19.9 | 402 | ||
| C/1998 T1 | 1998 10 31.55146 | 00 49 10.21 | +16 47 18.7 | 402 | ||
| C/1998 T1 | 1998 11 05.45238 | 00 38 08.49 | +15 23 16.2 | 15.3 | T | 402 |
| C/1998 T1 | 1998 11 08.51997 | 00 31 27.75 | +14 29 42.4 | 16.3 | T | 360 |
| C/1998 T1 | 1998 11 08.52240 | 00 31 27.44 | +14 29 40.1 | 360 | ||
| C/1998 T1 | 1998 11 08.56101 | 00 31 22.37 | +14 29 00.3 | 16.0 | T | 355 |
| C/1998 T1 | 1998 11 08.56650 | 00 31 21.66 | +14 28 54.1 | 355 | ||
| C/1998 T1 | 1998 11 08.57027 | 00 31 21.18 | +14 28 49.7 | 355 | ||
| C/1998 T1 | 1998 11 08.58830 | 00 31 18.90 | +14 28 30.9 | 16.1 | T | 900 |
| C/1998 T1 | 1998 11 08.59747 | 00 31 17.68 | +14 28 21.3 | 900 | ||
| C/1998 T1 | 1998 11 10.76400 | 00 26 42.95 | +13 50 23.7 | 17.1 | T | 143 |
| C/1998 T1 | 1998 11 10.77184 | 00 26 42.08 | +13 50 13.2 | 17.0 | T | 143 |
| C/1998 T1 | 1998 11 10.77968 | 00 26 41.08 | +13 50 04.6 | 17.5 | T | 143 |
| C/1998 T1 | 1998 11 10.81829 | 00 26 36.20 | +13 49 23.1 | 504 | ||
| C/1998 T1 | 1998 11 10.81950 | 00 26 36.02 | +13 49 21.9 | 504 | ||
| C/1998 T1 | 1998 11 10.82072 | 00 26 35.87 | +13 49 21.5 | 504 | ||
| C/1998 T1 | 1998 11 10.82481 | 00 26 35.37 | +13 49 16.3 | 15.7 | T | 504 |