| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1998 09 15.83792 | 20 23 01.68 | +40 25 41.7 | 13.0 | T | 057 |
| C/1998 M5 | 1998 09 15.84413 | 20 23 00.45 | +40 25 42.2 | 057 | ||
| C/1998 M5 | 1998 09 15.84696 | 20 22 59.90 | +40 25 42.9 | 057 | ||
| C/1998 M5 | 1998 09 15.84773 | 20 22 59.68 | +40 25 43.1 | 12.7 | T | 057 |
| C/1998 M5 | 1998 09 15.84836 | 20 22 59.58 | +40 25 43.4 | 057 | ||
| C/1998 M5 | 1998 09 15.84902 | 20 22 59.37 | +40 25 43.7 | 057 | ||
| C/1998 M5 | 1998 09 15.85111 | 20 22 59.10 | +40 25 43.2 | 057 | ||
| C/1998 M5 | 1998 09 15.85839 | 20 22 57.73 | +40 25 42.5 | 12.8 | T | 057 |
| C/1998 M5 | 1998 09 15.85899 | 20 22 57.50 | +40 25 43.5 | 057 | ||
| C/1998 M5 | 1998 09 16.52275 | 20 20 51.55 | +40 26 19.7 | 355 | ||
| C/1998 M5 | 1998 09 16.52439 | 20 20 51.27 | +40 26 19.8 | 12.8 | T | 355 |
| C/1998 M5 | 1998 09 16.52692 | 20 20 50.80 | +40 26 19.6 | 355 | ||
| C/1998 M5 | 1998 09 16.52847 | 20 20 50.50 | +40 26 20.0 | 11.9 | T | 360 |
| C/1998 M5 | 1998 09 16.53559 | 20 20 49.14 | +40 26 20.3 | 360 | ||
| C/1998 M5 | 1998 09 16.85244 | 20 19 49.48 | +40 26 30.4 | 11.3 | T | 610 |
| C/1998 M5 | 1998 09 16.85434 | 20 19 49.12 | +40 26 30.6 | 610 | ||
| C/1998 M5 | 1998 09 16.86118 | 20 19 47.83 | +40 26 31.2 | 610 | ||
| C/1998 M5 | 1998 09 17.81199 | 20 16 50.01 | +40 26 45.0 | 11.5 | T | 610 |
| C/1998 M5 | 1998 09 17.81513 | 20 16 49.43 | +40 26 44.8 | 610 | ||
| C/1998 M5 | 1998 09 17.81825 | 20 16 48.85 | +40 26 44.7 | 610 |