| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 K1 | 1998 05 18.86935 | 10 39 10.63 | +31 56 03.4 | 14.9 | T | 504 |
| C/1998 K1 | 1998 05 18.87427 | 10 39 10.78 | +31 56 00.2 | 14.9 | T | 504 |
| C/1998 K1 | 1998 05 18.87899 | 10 39 10.92 | +31 55 55.3 | 504 | ||
| C/1998 K1 | 1998 05 19.11944 | 10 39 15.96 | +31 52 25.9 | 15.5 | T | 816 |
| C/1998 K1 | 1998 05 19.13404 | 10 39 16.29 | +31 52 13.0 | 15.4 | T | 816 |
| C/1998 K1 | 1998 05 19.13887 | 10 39 16.39 | +31 52 08.8 | 15.5 | T | 816 |
| C/1998 K1 | 1998 05 19.16962 | 10 39 17.16 | +31 51 43.4 | 16.5 | T | 670 |
| C/1998 K1 | 1998 05 19.18125 | 10 39 17.37 | +31 51 31.9 | 670 | ||
| C/1998 K1 | 1998 05 19.19167 | 10 39 17.55 | +31 51 24.6 | 670 | ||
| C/1998 K1 | 1998 05 19.46948 | 10 39 23.61 | +31 47 22.5 | 16.1 | T | 402 |
| C/1998 K1 | 1998 05 19.47156 | 10 39 23.62 | +31 47 21.0 | 402 | ||
| C/1998 K1 | 1998 05 19.47546 | 10 39 23.69 | +31 47 17.7 | 402 | ||
| C/1998 K1 | 1998 05 19.53021 | 10 39 24.86 | +31 46 30.0 | 16.0 | T | 360 |
| C/1998 K1 | 1998 05 19.53472 | 10 39 24.94 | +31 46 26.0 | 360 | ||
| C/1998 K1 | 1998 05 19.53889 | 10 39 25.04 | +31 46 22.3 | 360 | ||
| C/1998 K1 | 1998 05 19.59389 | 10 39 26.29 | +31 45 34.7 | 15.4 | T | 900 |
| C/1998 K1 | 1998 05 19.60662 | 10 39 26.55 | +31 45 23.8 | 900 | ||
| C/1998 K1 | 1998 05 19.83492 | 10 39 31.62 | +31 42 04.9 | 557 | ||
| C/1998 K1 | 1998 05 19.83980 | 10 39 31.73 | +31 42 01.0 | 557 | ||
| C/1998 K1 | 1998 05 19.84584 | 10 39 31.85 | +31 41 55.6 | 557 |