| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 K1 | 1998 05 22.91368 | 10 40 44.39 | +30 57 24.9 | 046 | ||
| C/1998 K1 | 1998 05 22.91913 | 10 40 44.53 | +30 57 19.8 | 046 | ||
| C/1998 K1 | 1998 05 22.92020 | 10 40 44.57 | +30 57 19.0 | 046 | ||
| C/1998 K1 | 1998 05 22.92128 | 10 40 44.58 | +30 57 18.1 | 046 | ||
| C/1998 K1 | 1998 05 23.18038 | 10 40 51.14 | +30 53 32.6 | 16.6 | T | 670 |
| C/1998 K1 | 1998 05 23.19358 | 10 40 51.39 | +30 53 21.4 | 16.4 | T | 670 |
| C/1998 K1 | 1998 05 23.20938 | 10 40 51.97 | +30 53 06.9 | 670 | ||
| C/1998 K1 | 1998 05 23.51552 | 10 40 59.73 | +30 48 40.1 | 355 | ||
| C/1998 K1 | 1998 05 23.52029 | 10 40 59.86 | +30 48 35.4 | 16.3 | T | 355 |
| C/1998 K1 | 1998 05 23.52509 | 10 40 59.91 | +30 48 30.9 | 355 | ||
| C/1998 K1 | 1998 05 23.88635 | 10 41 09.36 | +30 43 14.0 | 15.1 | T | 504 |
| C/1998 K1 | 1998 05 23.89140 | 10 41 09.51 | +30 43 09.3 | 15.0 | T | 504 |
| C/1998 K1 | 1998 05 23.89384 | 10 41 09.58 | +30 43 06.9 | 14.7 | T | 504 |
| C/1998 K1 | 1998 05 23.91090 | 10 41 09.94 | +30 42 53.5 | 965 | ||
| C/1998 K1 | 1998 05 23.91405 | 10 41 10.05 | +30 42 51.8 | 965 | ||
| C/1998 K1 | 1998 05 23.91908 | 10 41 10.25 | +30 42 45.9 | 965 | ||
| C/1998 K1 | 1998 05 23.92114 | 10 41 10.21 | +30 42 44.7 | 965 | ||
| C/1998 K1 | 1998 05 24.11126 | 10 41 15.28 | +30 39 58.8 | 17.2 | T | 755 |
| C/1998 K1 | 1998 05 24.12163 | 10 41 15.51 | +30 39 49.4 | 17.3 | T | 755 |
| C/1998 K1 | 1998 05 24.12589 | 10 41 15.66 | +30 39 45.6 | 17.1 | T | 755 |