| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1998 09 19.83360 | 20 10 39.59 | +40 25 35.8 | 610 | ||
| C/1998 M5 | 1998 09 19.88656 | 20 10 29.99 | +40 25 31.3 | 504 | ||
| C/1998 M5 | 1998 09 19.88863 | 20 10 29.63 | +40 25 31.3 | 504 | ||
| C/1998 M5 | 1998 09 19.88986 | 20 10 29.34 | +40 25 31.2 | 504 | ||
| C/1998 M5 | 1998 09 19.89102 | 20 10 29.12 | +40 25 31.1 | 504 | ||
| C/1998 M5 | 1998 09 20.81987 | 20 07 43.00 | +40 24 16.6 | 143 | ||
| C/1998 M5 | 1998 09 20.82145 | 20 07 42.73 | +40 24 16.4 | 143 | ||
| C/1998 M5 | 1998 09 20.82380 | 20 07 42.29 | +40 24 15.9 | 143 | ||
| C/1998 M5 | 1998 09 22.86329 | 20 01 46.33 | +40 20 05.5 | 12.8 | T | 605 |
| C/1998 M5 | 1998 09 22.88124 | 20 01 43.26 | +40 20 02.8 | 12.8 | T | 605 |
| C/1998 M5 | 1998 09 22.89203 | 20 01 41.28 | +40 20 01.9 | 11.3 | T | 154 |
| C/1998 M5 | 1998 09 22.90206 | 20 01 39.60 | +40 20 00.1 | 12.8 | T | 605 |
| C/1998 M5 | 1998 09 23.77727 | 19 59 11.00 | +40 17 38.2 | 12.7 | T | 118 |
| C/1998 M5 | 1998 09 23.78198 | 19 59 10.21 | +40 17 37.1 | 118 | ||
| C/1998 M5 | 1998 09 23.84806 | 19 58 58.99 | +40 17 26.4 | 504 | ||
| C/1998 M5 | 1998 09 23.85042 | 19 58 58.57 | +40 17 25.5 | 504 | ||
| C/1998 M5 | 1998 09 23.85319 | 19 58 58.11 | +40 17 25.2 | 504 | ||
| C/1998 M5 | 1998 09 23.85451 | 19 58 57.81 | +40 17 25.0 | 504 | ||
| C/1998 M5 | 1998 09 23.85569 | 19 58 57.66 | +40 17 24.7 | 504 | ||
| C/1998 M5 | 1998 09 23.87211 | 19 58 54.72 | +40 17 23.1 | 11.3 | T | 154 |