| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 K5 | 1998 07 02.65786 | 23 57 06.40 | +53 20 11.7 | 12.1 | T | 355 |
| C/1998 K5 | 1998 07 02.65859 | 23 57 06.99 | +53 20 11.2 | 355 | ||
| C/1998 K5 | 1998 07 02.66005 | 23 57 08.25 | +53 20 09.8 | 355 | ||
| C/1998 K5 | 1998 07 03.57448 | 00 09 32.50 | +53 00 21.4 | 12.5 | T | 367 |
| C/1998 K5 | 1998 07 03.57725 | 00 09 34.69 | +53 00 17.8 | 367 | ||
| C/1998 K5 | 1998 07 03.58002 | 00 09 36.88 | +53 00 14.4 | 367 | ||
| C/1998 K5 | 1998 07 03.67056 | 00 10 47.82 | +52 58 21.1 | 12.4 | T | 351 |
| C/1998 K5 | 1998 07 03.68039 | 00 10 55.35 | +52 58 08.1 | 351 | ||
| C/1998 K5 | 1998 07 03.68264 | 00 10 57.17 | +52 58 05.9 | 351 | ||
| C/1998 K5 | 1998 07 03.74132 | 00 11 42.57 | +52 56 47.6 | 12.4 | T | 360 |
| C/1998 K5 | 1998 07 03.74271 | 00 11 43.64 | +52 56 45.7 | 360 | ||
| C/1998 K5 | 1998 07 03.75780 | 00 11 54.90 | +52 56 25.2 | 352 | ||
| C/1998 K5 | 1998 07 03.75954 | 00 11 56.14 | +52 56 22.3 | 352 | ||
| C/1998 K5 | 1998 07 03.76127 | 00 11 57.53 | +52 56 20.6 | 352 | ||
| C/1998 K5 | 1998 07 03.94747 | 00 14 23.15 | +52 51 21.7 | 12.3 | N | 143 |
| C/1998 K5 | 1998 07 03.94786 | 00 14 23.37 | +52 51 21.1 | 12.3 | N | 143 |
| C/1998 K5 | 1998 07 03.94826 | 00 14 23.73 | +52 51 20.6 | 12.4 | N | 143 |
| C/1998 K5 | 1998 07 03.98628 | 00 14 52.92 | +52 50 28.6 | 12.4 | N | 143 |
| C/1998 K5 | 1998 07 03.98667 | 00 14 53.18 | +52 50 28.2 | 12.3 | N | 143 |
| C/1998 K5 | 1998 07 03.98706 | 00 14 53.51 | +52 50 27.5 | 12.3 | N | 143 |