| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1998 07 31.13961 | 22 37 37.87 | +29 02 57.4 | 13.3 | N | 758 |
| C/1998 M5 | 1998 07 31.21755 | 22 37 29.41 | +29 04 44.7 | 16.4 | T | 750 |
| C/1998 M5 | 1998 07 31.26354 | 22 37 24.35 | +29 05 48.6 | 16.2 | T | 750 |
| C/1998 M5 | 1998 08 02.13244 | 22 33 55.83 | +29 48 29.0 | 13.1 | N | 758 |
| C/1998 M5 | 1998 08 02.14201 | 22 33 54.71 | +29 48 42.8 | 13.1 | N | 758 |
| C/1998 M5 | 1998 08 02.14659 | 22 33 54.17 | +29 48 49.0 | 13.1 | N | 758 |
| C/1998 M5 | 1998 08 02.45073 | 22 33 18.86 | +29 55 44.7 | 658 | ||
| C/1998 M5 | 1998 08 02.45313 | 22 33 18.58 | +29 55 47.9 | 658 | ||
| C/1998 M5 | 1998 08 02.46047 | 22 33 17.72 | +29 55 57.9 | 658 | ||
| C/1998 M5 | 1998 08 02.75712 | 22 32 43.14 | +30 02 44.0 | 12.8 | T | 360 |
| C/1998 M5 | 1998 08 02.75990 | 22 32 42.83 | +30 02 47.7 | 360 | ||
| C/1998 M5 | 1998 08 02.76285 | 22 32 42.49 | +30 02 51.5 | 360 | ||
| C/1998 M5 | 1998 08 03.03264 | 22 32 10.85 | +30 08 58.3 | 118 | ||
| C/1998 M5 | 1998 08 03.38793 | 22 31 28.75 | +30 17 02.3 | 658 | ||
| C/1998 M5 | 1998 08 03.39222 | 22 31 28.24 | +30 17 08.2 | 658 | ||
| C/1998 M5 | 1998 08 03.39551 | 22 31 27.86 | +30 17 13.1 | 658 | ||
| C/1998 M5 | 1998 08 04.75446 | 22 28 42.41 | +30 47 55.9 | 11.8 | T | 897 |
| C/1998 M5 | 1998 08 04.75590 | 22 28 42.29 | +30 47 58.3 | 12.8 | T | 360 |
| C/1998 M5 | 1998 08 04.75816 | 22 28 42.00 | +30 48 01.3 | 360 | ||
| C/1998 M5 | 1998 08 04.75890 | 22 28 41.86 | +30 48 01.8 | 897 |