| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 K5 | 1998 06 05.27235 | 18 04 45.75 | +15 36 28.8 | 14.6 | T | 860 |
| C/1998 K5 | 1998 06 06.62778 | 18 12 19.00 | +18 01 08.7 | 13.3 | T | 426 |
| C/1998 K5 | 1998 06 06.63193 | 18 12 20.40 | +18 01 36.1 | 13.4 | T | 426 |
| C/1998 K5 | 1998 06 06.63595 | 18 12 21.76 | +18 02 02.8 | 12.8 | T | 426 |
| C/1998 K5 | 1998 06 06.63997 | 18 12 23.10 | +18 02 29.1 | 13.1 | T | 426 |
| C/1998 K5 | 1998 06 06.93363 | 18 14 07.26 | +18 34 06.4 | 14.0 | T | 046 |
| C/1998 K5 | 1998 06 06.93459 | 18 14 07.61 | +18 34 13.0 | 046 | ||
| C/1998 K5 | 1998 06 06.93528 | 18 14 07.85 | +18 34 17.6 | 046 | ||
| C/1998 K5 | 1998 06 07.03712 | 18 14 43.13 | +18 45 39.0 | 13.9 | T | 118 |
| C/1998 K5 | 1998 06 07.04058 | 18 14 44.34 | +18 46 02.1 | 118 | ||
| C/1998 K5 | 1998 06 08.20370 | 18 22 02.74 | +20 58 49.4 | 750 | ||
| C/1998 K5 | 1998 06 08.21176 | 18 22 05.82 | +20 59 46.2 | 750 | ||
| C/1998 K5 | 1998 06 08.21744 | 18 22 07.98 | +21 00 26.0 | 750 | ||
| C/1998 K5 | 1998 06 08.29066 | 18 22 34.22 | +21 09 45.9 | 13.5 | T | 860 |
| C/1998 K5 | 1998 06 08.29535 | 18 22 36.01 | +21 10 18.9 | 13.5 | T | 860 |
| C/1998 K5 | 1998 06 08.30233 | 18 22 38.70 | +21 11 07.9 | 13.5 | T | 860 |
| C/1998 K5 | 1998 06 08.35928 | 18 23 03.18 | +21 17 01.1 | 658 | ||
| C/1998 K5 | 1998 06 08.36492 | 18 23 05.43 | +21 17 41.2 | 658 | ||
| C/1998 K5 | 1998 06 08.36814 | 18 23 06.61 | +21 18 03.7 | 658 | ||
| C/1998 K5 | 1998 06 09.37593 | 18 30 01.43 | +23 18 19.3 | 658 |