| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1998 09 25.82372 | 19 53 33.00 | +40 10 54.6 | 046 | ||
| C/1998 M5 | 1998 09 26.91477 | 19 50 38.45 | +40 06 40.5 | 12.9 | T | 071 |
| C/1998 M5 | 1998 09 26.91650 | 19 50 38.16 | +40 06 40.0 | 12.9 | T | 071 |
| C/1998 M5 | 1998 09 26.91771 | 19 50 37.96 | +40 06 39.8 | 12.9 | T | 071 |
| C/1998 M5 | 1998 09 26.91891 | 19 50 37.77 | +40 06 39.5 | 12.9 | T | 071 |
| C/1998 M5 | 1998 09 26.92012 | 19 50 37.61 | +40 06 39.0 | 12.9 | T | 071 |
| C/1998 M5 | 1998 09 26.92132 | 19 50 37.39 | +40 06 38.7 | 12.9 | T | 071 |
| C/1998 M5 | 1998 09 26.92251 | 19 50 37.18 | +40 06 38.2 | 13.0 | T | 071 |
| C/1998 M5 | 1998 09 26.92372 | 19 50 37.01 | +40 06 37.9 | 12.9 | T | 071 |
| C/1998 M5 | 1998 09 27.91111 | 19 48 02.79 | +40 02 29.3 | 154 | ||
| C/1998 M5 | 1998 09 27.91620 | 19 48 02.00 | +40 02 28.3 | 154 | ||
| C/1998 M5 | 1998 09 28.20965 | 19 47 16.81 | +40 01 10.1 | 750 | ||
| C/1998 M5 | 1998 09 28.21948 | 19 47 15.28 | +40 01 07.2 | 750 | ||
| C/1998 M5 | 1998 09 30.83736 | 19 40 46.22 | +39 48 27.4 | 12.6 | T | 057 |
| C/1998 M5 | 1998 09 30.83819 | 19 40 46.13 | +39 48 28.1 | 057 | ||
| C/1998 M5 | 1998 09 30.84015 | 19 40 46.03 | +39 48 26.9 | 057 | ||
| C/1998 M5 | 1998 09 30.84279 | 19 40 45.49 | +39 48 24.7 | 12.7 | T | 057 |
| C/1998 M5 | 1998 09 30.84385 | 19 40 45.18 | +39 48 24.6 | 057 | ||
| C/1998 M5 | 1998 09 30.84683 | 19 40 44.88 | +39 48 24.2 | 057 | ||
| C/1998 M5 | 1998 09 30.84910 | 19 40 44.47 | +39 48 23.3 | 12.8 | T | 057 |