| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1998 07 23.00382 | 22 50 27.60 | +25 56 29.9 | 13.3 | T | 561 |
| C/1998 M5 | 1998 07 23.00660 | 22 50 27.37 | +25 56 33.7 | 13.3 | T | 561 |
| C/1998 M5 | 1998 07 23.00938 | 22 50 27.15 | +25 56 37.4 | 13.2 | T | 561 |
| C/1998 M5 | 1998 07 23.01528 | 22 50 26.65 | +25 56 45.6 | 13.2 | T | 561 |
| C/1998 M5 | 1998 07 23.01806 | 22 50 26.42 | +25 56 49.4 | 13.3 | T | 561 |
| C/1998 M5 | 1998 07 23.02049 | 22 50 26.22 | +25 56 52.8 | 13.4 | T | 561 |
| C/1998 M5 | 1998 07 23.02326 | 22 50 25.99 | +25 56 56.6 | 13.3 | T | 561 |
| C/1998 M5 | 1998 07 23.02604 | 22 50 25.76 | +25 57 00.4 | 13.3 | T | 561 |
| C/1998 M5 | 1998 07 23.02847 | 22 50 25.56 | +25 57 03.7 | 13.4 | T | 561 |
| C/1998 M5 | 1998 07 23.03090 | 22 50 25.36 | +25 57 07.1 | 13.4 | T | 561 |
| C/1998 M5 | 1998 07 23.03333 | 22 50 25.15 | +25 57 10.4 | 13.4 | T | 561 |
| C/1998 M5 | 1998 07 23.03576 | 22 50 24.96 | +25 57 13.8 | 13.4 | T | 561 |
| C/1998 M5 | 1998 07 23.03854 | 22 50 24.74 | +25 57 17.5 | 13.4 | T | 561 |
| C/1998 M5 | 1998 07 25.95325 | 22 46 13.11 | +27 03 55.6 | 12.6 | T | 628 |
| C/1998 M5 | 1998 07 25.96020 | 22 46 12.40 | +27 04 04.6 | 12.5 | T | 628 |
| C/1998 M5 | 1998 07 25.97131 | 22 46 11.44 | +27 04 19.8 | 12.6 | T | 628 |
| C/1998 M5 | 1998 07 26.16374 | 22 45 53.98 | +27 08 45.9 | 13.0 | N | 758 |
| C/1998 M5 | 1998 07 26.16620 | 22 45 53.72 | +27 08 48.9 | 13.0 | N | 758 |
| C/1998 M5 | 1998 07 26.18839 | 22 45 51.64 | +27 09 19.6 | 12.9 | N | 758 |
| C/1998 M5 | 1998 07 26.32204 | 22 45 39.39 | +27 12 24.2 | 665 |