| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1998 07 01.40957 | 23 09 41.35 | +18 11 36.2 | 14.8 | T | 709 |
| C/1998 M5 | 1998 07 01.41681 | 23 09 41.18 | +18 11 45.6 | 14.8 | T | 709 |
| C/1998 M5 | 1998 07 01.70586 | 23 09 32.62 | +18 17 34.6 | 12.8 | T | 426 |
| C/1998 M5 | 1998 07 01.71125 | 23 09 32.46 | +18 17 40.8 | 12.9 | T | 426 |
| C/1998 M5 | 1998 07 01.71779 | 23 09 32.27 | +18 17 48.7 | 12.9 | T | 426 |
| C/1998 M5 | 1998 07 01.72289 | 23 09 32.10 | +18 17 54.9 | 12.8 | T | 426 |
| C/1998 M5 | 1998 07 02.17311 | 23 09 18.39 | +18 26 53.4 | 13.9 | T | 758 |
| C/1998 M5 | 1998 07 02.17873 | 23 09 18.31 | +18 26 58.3 | 13.9 | T | 758 |
| C/1998 M5 | 1998 07 02.18102 | 23 09 18.27 | +18 27 01.7 | 14.0 | T | 758 |
| C/1998 M5 | 1998 07 02.33138 | 23 09 13.41 | +18 30 03.0 | 14.6 | T | 713 |
| C/1998 M5 | 1998 07 02.35421 | 23 09 12.76 | +18 30 29.5 | 14.7 | T | 713 |
| C/1998 M5 | 1998 07 02.36890 | 23 09 12.35 | +18 30 48.2 | 14.6 | T | 713 |
| C/1998 M5 | 1998 07 02.39038 | 23 09 11.68 | +18 31 13.9 | 14.6 | T | 713 |
| C/1998 M5 | 1998 07 02.40640 | 23 09 11.16 | +18 31 34.1 | 14.6 | T | 713 |
| C/1998 M5 | 1998 07 02.41211 | 23 09 10.96 | +18 31 39.5 | 658 | ||
| C/1998 M5 | 1998 07 02.41566 | 23 09 10.85 | +18 31 43.7 | 658 | ||
| C/1998 M5 | 1998 07 02.41810 | 23 09 10.77 | +18 31 46.8 | 658 | ||
| C/1998 M5 | 1998 07 02.62318 | 23 09 04.39 | +18 35 54.8 | 897 | ||
| C/1998 M5 | 1998 07 02.63112 | 23 09 04.13 | +18 36 04.2 | 897 | ||
| C/1998 M5 | 1998 07 02.64101 | 23 09 03.85 | +18 36 16.5 | 897 |