| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 K5 | 1998 10 19.26346 | 03 11 24.90 | +15 40 04.9 | 13.4 | T | 739 |
| C/1998 K5 | 1998 10 19.26468 | 03 11 24.77 | +15 40 03.7 | 13.4 | T | 739 |
| C/1998 K5 | 1998 10 19.26588 | 03 11 24.67 | +15 40 02.8 | 13.6 | T | 739 |
| C/1998 K5 | 1998 10 19.26770 | 03 11 24.49 | +15 40 01.4 | 13.1 | T | 739 |
| C/1998 K5 | 1998 10 24.67865 | 03 03 38.50 | +14 21 10.6 | 14.0 | T | 360 |
| C/1998 K5 | 1998 10 24.68142 | 03 03 38.26 | +14 21 08.3 | 360 | ||
| C/1998 K5 | 1998 10 25.61389 | 03 02 20.05 | +14 08 11.7 | 14.3 | T | 897 |
| C/1998 K5 | 1998 10 25.62397 | 03 02 19.20 | +14 08 03.5 | 897 | ||
| C/1998 K5 | 1998 10 25.63706 | 03 02 18.04 | +14 07 52.7 | 897 | ||
| C/1998 K5 | 1998 10 25.65294 | 03 02 16.77 | +14 07 39.8 | 14.3 | T | 402 |
| C/1998 K5 | 1998 10 25.65434 | 03 02 16.62 | +14 07 38.7 | 402 | ||
| C/1998 K5 | 1998 10 25.65573 | 03 02 16.51 | +14 07 37.5 | 402 | ||
| C/1998 K5 | 1998 10 26.07012 | 03 01 41.77 | +14 01 54.9 | 14.7 | T | 561 |
| C/1998 K5 | 1998 10 26.07153 | 03 01 41.64 | +14 01 53.8 | 14.7 | T | 561 |
| C/1998 K5 | 1998 10 26.07317 | 03 01 41.50 | +14 01 52.5 | 14.7 | T | 561 |
| C/1998 K5 | 1998 10 26.07419 | 03 01 41.43 | +14 01 51.6 | 14.8 | T | 561 |
| C/1998 K5 | 1998 10 29.67066 | 02 56 49.58 | +13 14 28.2 | 14.2 | T | 360 |
| C/1998 K5 | 1998 10 29.67309 | 02 56 49.38 | +13 14 26.5 | 360 | ||
| C/1998 K5 | 1998 11 07.49931 | 02 46 09.08 | +11 33 35.2 | 14.6 | T | 351 |
| C/1998 K5 | 1998 11 07.50146 | 02 46 09.03 | +11 33 33.9 | 351 |