| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1998 08 24.05138 | 21 38 08.82 | +37 12 06.0 | 13.0 | T | 758 |
| C/1998 M5 | 1998 08 24.05371 | 21 38 08.36 | +37 12 08.3 | 13.0 | T | 758 |
| C/1998 M5 | 1998 08 24.08125 | 21 38 03.19 | +37 12 34.6 | 13.0 | T | 758 |
| C/1998 M5 | 1998 08 24.08568 | 21 38 02.31 | +37 12 38.5 | 13.0 | T | 758 |
| C/1998 M5 | 1998 08 24.90885 | 21 35 27.43 | +37 25 28.9 | 14.2 | N | 143 |
| C/1998 M5 | 1998 08 24.91669 | 21 35 25.94 | +37 25 36.2 | 14.3 | N | 143 |
| C/1998 M5 | 1998 08 24.92296 | 21 35 24.76 | +37 25 42.0 | 14.3 | N | 143 |
| C/1998 M5 | 1998 08 25.08751 | 21 34 53.84 | +37 28 16.9 | 12.6 | T | 758 |
| C/1998 M5 | 1998 08 25.09578 | 21 34 52.18 | +37 28 20.0 | 13.2 | T | 758 |
| C/1998 M5 | 1998 08 25.16627 | 21 34 38.66 | +37 29 24.6 | 12.9 | T | 758 |
| C/1998 M5 | 1998 08 25.16873 | 21 34 38.19 | +37 29 27.4 | 13.3 | T | 758 |
| C/1998 M5 | 1998 08 25.56396 | 21 33 23.09 | +37 35 25.9 | 12.7 | T | 355 |
| C/1998 M5 | 1998 08 25.56686 | 21 33 22.50 | +37 35 28.4 | 355 | ||
| C/1998 M5 | 1998 08 25.56832 | 21 33 22.25 | +37 35 29.5 | 355 | ||
| C/1998 M5 | 1998 08 25.92076 | 21 32 15.03 | +37 40 42.6 | 12.7 | T | 504 |
| C/1998 M5 | 1998 08 25.92184 | 21 32 14.78 | +37 40 44.0 | 504 | ||
| C/1998 M5 | 1998 08 25.92251 | 21 32 14.64 | +37 40 44.4 | 504 | ||
| C/1998 M5 | 1998 08 25.92306 | 21 32 14.58 | +37 40 44.6 | 504 | ||
| C/1998 M5 | 1998 08 25.92510 | 21 32 14.17 | +37 40 46.3 | 504 | ||
| C/1998 M5 | 1998 08 25.92645 | 21 32 13.88 | +37 40 47.9 | 504 |