| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1998 07 18.61513 | 22 55 58.07 | +24 17 15.5 | 13.0 | T | 402 |
| C/1998 M5 | 1998 07 18.61672 | 22 55 57.99 | +24 17 17.3 | 402 | ||
| C/1998 M5 | 1998 07 18.62038 | 22 55 57.73 | +24 17 22.2 | 402 | ||
| C/1998 M5 | 1998 07 18.69016 | 22 55 52.81 | +24 18 56.4 | 13.0 | T | 900 |
| C/1998 M5 | 1998 07 18.69933 | 22 55 52.13 | +24 19 09.1 | 900 | ||
| C/1998 M5 | 1998 07 20.25404 | 22 54 01.18 | +24 54 06.7 | 15.8 | T | 750 |
| C/1998 M5 | 1998 07 20.26160 | 22 54 00.60 | +24 54 17.5 | 15.9 | T | 750 |
| C/1998 M5 | 1998 07 20.95781 | 22 53 08.67 | +25 10 01.3 | 13.4 | T | 561 |
| C/1998 M5 | 1998 07 20.96007 | 22 53 08.49 | +25 10 04.3 | 13.4 | T | 561 |
| C/1998 M5 | 1998 07 20.96493 | 22 53 08.12 | +25 10 10.9 | 12.6 | T | 561 |
| C/1998 M5 | 1998 07 20.97604 | 22 53 07.28 | +25 10 25.7 | 12.7 | T | 561 |
| C/1998 M5 | 1998 07 20.98437 | 22 53 06.64 | +25 10 37.2 | 12.7 | T | 561 |
| C/1998 M5 | 1998 07 20.98958 | 22 53 06.23 | +25 10 44.3 | 13.4 | T | 561 |
| C/1998 M5 | 1998 07 21.02264 | 22 53 03.65 | +25 11 30.3 | 13.2 | T | 491 |
| C/1998 M5 | 1998 07 21.03415 | 22 53 02.86 | +25 11 45.5 | 13.2 | T | 491 |
| C/1998 M5 | 1998 07 21.05851 | 22 53 00.92 | +25 12 18.4 | 046 | ||
| C/1998 M5 | 1998 07 21.05992 | 22 53 00.82 | +25 12 20.4 | 046 | ||
| C/1998 M5 | 1998 07 21.06118 | 22 53 00.72 | +25 12 22.1 | 046 | ||
| C/1998 M5 | 1998 07 21.17466 | 22 52 52.15 | +25 14 55.7 | 13.5 | N | 758 |
| C/1998 M5 | 1998 07 21.17773 | 22 52 51.89 | +25 15 00.0 | 13.6 | N | 758 |