| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 K5 | 1998 06 27.94159 | 22 42 29.46 | +53 34 47.6 | 12.6 | T | 504 |
| C/1998 K5 | 1998 06 27.94182 | 22 42 29.70 | +53 34 48.0 | 12.5 | T | 504 |
| C/1998 K5 | 1998 06 27.94206 | 22 42 29.97 | +53 34 48.3 | 12.5 | T | 504 |
| C/1998 K5 | 1998 06 27.94300 | 22 42 30.91 | +53 34 49.4 | 12.5 | T | 504 |
| C/1998 K5 | 1998 06 27.94326 | 22 42 31.21 | +53 34 49.7 | 12.5 | T | 504 |
| C/1998 K5 | 1998 06 27.94373 | 22 42 31.68 | +53 34 50.2 | 12.5 | T | 504 |
| C/1998 K5 | 1998 06 27.94400 | 22 42 31.99 | +53 34 50.7 | 12.5 | T | 504 |
| C/1998 K5 | 1998 06 27.94427 | 22 42 32.25 | +53 34 50.9 | 12.5 | T | 504 |
| C/1998 K5 | 1998 06 27.94480 | 22 42 32.80 | +53 34 51.5 | 12.6 | T | 504 |
| C/1998 K5 | 1998 06 27.94564 | 22 42 33.64 | +53 34 52.5 | 12.5 | T | 504 |
| C/1998 K5 | 1998 06 27.94612 | 22 42 34.16 | +53 34 53.0 | 12.5 | T | 504 |
| C/1998 K5 | 1998 06 28.10043 | 22 45 12.45 | +53 37 42.0 | 107 | ||
| C/1998 K5 | 1998 06 28.10254 | 22 45 14.45 | +53 37 44.0 | 107 | ||
| C/1998 K5 | 1998 06 28.10439 | 22 45 16.47 | +53 37 46.1 | 107 | ||
| C/1998 K5 | 1998 06 30.63417 | 23 27 08.53 | +53 47 03.3 | 897 | ||
| C/1998 K5 | 1998 06 30.63540 | 23 27 09.73 | +53 47 03.4 | 12.6 | T | 355 |
| C/1998 K5 | 1998 06 30.63643 | 23 27 10.68 | +53 47 02.5 | 12.6 | T | 897 |
| C/1998 K5 | 1998 06 30.63693 | 23 27 11.12 | +53 47 02.6 | 355 | ||
| C/1998 K5 | 1998 06 30.63804 | 23 27 12.13 | +53 47 02.1 | 897 | ||
| C/1998 K5 | 1998 06 30.63830 | 23 27 12.39 | +53 47 02.3 | 355 |