| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 K5 | 1998 05 26.37939 | 17 26 02.33 | +02 02 11.1 | 18.0 | N | 704 |
| C/1998 K5 | 1998 05 26.39698 | 17 26 05.24 | +02 03 19.0 | 18.5 | N | 704 |
| C/1998 K5 | 1998 05 26.41459 | 17 26 08.08 | +02 04 25.3 | 18.5 | N | 704 |
| C/1998 K5 | 1998 05 26.43225 | 17 26 11.06 | +02 05 32.7 | 19.2 | N | 704 |
| C/1998 K5 | 1998 05 26.44980 | 17 26 13.95 | +02 06 39.6 | 18.1 | N | 704 |
| C/1998 K5 | 1998 05 26.98696 | 17 27 50.01 | +02 41 11.4 | 16.8 | T | 046 |
| C/1998 K5 | 1998 05 26.98839 | 17 27 50.25 | +02 41 17.0 | 046 | ||
| C/1998 K5 | 1998 05 26.99279 | 17 27 50.99 | +02 41 34.5 | 046 | ||
| C/1998 K5 | 1998 05 26.99392 | 17 27 51.19 | +02 41 38.4 | 046 | ||
| C/1998 K5 | 1998 05 27.02597 | 17 27 56.72 | +02 43 44.2 | 557 | ||
| C/1998 K5 | 1998 05 27.02725 | 17 27 56.93 | +02 43 49.2 | 557 | ||
| C/1998 K5 | 1998 05 27.02853 | 17 27 57.16 | +02 43 54.4 | 16.3 | T | 557 |
| C/1998 K5 | 1998 05 27.26903 | 17 28 41.42 | +02 59 50.3 | 17.1 | N | 704 |
| C/1998 K5 | 1998 05 27.28901 | 17 28 44.84 | +03 01 08.7 | 704 | ||
| C/1998 K5 | 1998 05 27.30863 | 17 28 48.27 | +03 02 27.7 | 704 | ||
| C/1998 K5 | 1998 05 27.32148 | 17 28 50.27 | +03 03 16.5 | 17.2 | T | 734 |
| C/1998 K5 | 1998 05 27.32372 | 17 28 50.64 | +03 03 25.1 | 17.2 | T | 734 |
| C/1998 K5 | 1998 05 27.32831 | 17 28 51.55 | +03 03 46.5 | 18.0 | N | 704 |
| C/1998 K5 | 1998 05 27.33081 | 17 28 51.85 | +03 03 54.1 | 16.9 | T | 734 |
| C/1998 K5 | 1998 05 27.33363 | 17 28 52.36 | +03 04 05.7 | 16.8 | T | 734 |