| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1998 07 01.20306 | 23 09 47.46 | +18 07 29.0 | 14.4 | T | 758 |
| C/1998 M5 | 1998 07 01.20568 | 23 09 47.40 | +18 07 30.5 | 14.1 | T | 758 |
| C/1998 M5 | 1998 07 01.22039 | 23 09 46.93 | +18 07 49.8 | 14.2 | T | 758 |
| C/1998 M5 | 1998 07 01.22365 | 23 09 46.91 | +18 07 53.3 | 14.3 | T | 758 |
| C/1998 M5 | 1998 07 01.24346 | 23 09 46.24 | +18 08 17.6 | 14.2 | T | 758 |
| C/1998 M5 | 1998 07 01.29736 | 23 09 44.63 | +18 09 21.4 | 16.5 | T | 750 |
| C/1998 M5 | 1998 07 01.30089 | 23 09 44.59 | +18 09 26.0 | 16.6 | T | 750 |
| C/1998 M5 | 1998 07 01.31044 | 23 09 44.29 | +18 09 37.5 | 16.4 | T | 750 |
| C/1998 M5 | 1998 07 01.35091 | 23 09 42.99 | +18 10 26.1 | 15.3 | T | 750 |
| C/1998 M5 | 1998 07 01.35347 | 23 09 42.98 | +18 10 28.8 | 670 | ||
| C/1998 M5 | 1998 07 01.36736 | 23 09 42.69 | +18 10 45.6 | 670 | ||
| C/1998 M5 | 1998 07 01.38125 | 23 09 42.22 | +18 11 02.2 | 14.1 | T | 670 |
| C/1998 M5 | 1998 07 01.38194 | 23 09 42.24 | +18 11 03.1 | 14.7 | T | 709 |
| C/1998 M5 | 1998 07 01.38558 | 23 09 42.10 | +18 11 07.9 | 14.6 | T | 709 |
| C/1998 M5 | 1998 07 01.39256 | 23 09 41.89 | +18 11 15.9 | 14.6 | T | 709 |
| C/1998 M5 | 1998 07 01.39616 | 23 09 41.73 | +18 11 19.8 | 14.7 | T | 734 |
| C/1998 M5 | 1998 07 01.39840 | 23 09 41.66 | +18 11 22.2 | 14.4 | T | 734 |
| C/1998 M5 | 1998 07 01.40294 | 23 09 41.55 | +18 11 27.8 | 14.1 | T | 734 |
| C/1998 M5 | 1998 07 01.40396 | 23 09 41.53 | +18 11 29.6 | 14.8 | T | 709 |
| C/1998 M5 | 1998 07 01.40524 | 23 09 41.45 | +18 11 30.5 | 14.2 | T | 734 |