| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1998 09 09.78806 | 20 42 47.46 | +40 07 54.1 | 610 | ||
| C/1998 M5 | 1998 09 09.79234 | 20 42 46.59 | +40 07 55.2 | 610 | ||
| C/1998 M5 | 1998 09 09.79663 | 20 42 45.72 | +40 07 56.4 | 610 | ||
| C/1998 M5 | 1998 09 09.82175 | 20 42 40.92 | +40 08 00.5 | 553 | ||
| C/1998 M5 | 1998 09 10.49874 | 20 40 25.24 | +40 11 13.0 | 12.1 | T | 402 |
| C/1998 M5 | 1998 09 10.50013 | 20 40 24.96 | +40 11 13.4 | 402 | ||
| C/1998 M5 | 1998 09 10.50152 | 20 40 24.67 | +40 11 13.7 | 402 | ||
| C/1998 M5 | 1998 09 10.77248 | 20 39 30.77 | +40 12 21.9 | 13.2 | T | 057 |
| C/1998 M5 | 1998 09 10.77448 | 20 39 30.48 | +40 12 22.4 | 057 | ||
| C/1998 M5 | 1998 09 10.77543 | 20 39 30.26 | +40 12 22.5 | 13.0 | T | 057 |
| C/1998 M5 | 1998 09 10.77829 | 20 39 29.69 | +40 12 23.2 | 057 | ||
| C/1998 M5 | 1998 09 10.77980 | 20 39 29.37 | +40 12 23.2 | 057 | ||
| C/1998 M5 | 1998 09 10.78815 | 20 39 27.52 | +40 12 25.1 | 057 | ||
| C/1998 M5 | 1998 09 10.80295 | 20 39 24.78 | +40 12 28.6 | 057 | ||
| C/1998 M5 | 1998 09 10.80500 | 20 39 24.33 | +40 12 30.5 | 057 | ||
| C/1998 M5 | 1998 09 10.80896 | 20 39 23.32 | +40 12 31.8 | 13.0 | T | 057 |
| C/1998 M5 | 1998 09 10.81274 | 20 39 22.58 | +40 12 34.3 | 057 | ||
| C/1998 M5 | 1998 09 10.82356 | 20 39 20.59 | +40 12 35.4 | 610 | ||
| C/1998 M5 | 1998 09 10.82705 | 20 39 19.88 | +40 12 36.3 | 610 | ||
| C/1998 M5 | 1998 09 10.83052 | 20 39 19.18 | +40 12 37.2 | 610 |