| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1998 12 05.46348 | 18 46 22.22 | +36 43 19.1 | 11.9 | T | 351 |
| C/1998 M5 | 1998 12 05.46950 | 18 46 22.33 | +36 43 19.0 | 351 | ||
| C/1998 M5 | 1998 12 06.78038 | 18 46 38.31 | +36 50 31.0 | 504 | ||
| C/1998 M5 | 1998 12 06.78531 | 18 46 38.42 | +36 50 32.7 | 504 | ||
| C/1998 M5 | 1998 12 07.74549 | 18 46 51.42 | +36 56 14.6 | 12.2 | T | 476 |
| C/1998 M5 | 1998 12 07.74861 | 18 46 51.55 | +36 56 14.9 | 12.2 | T | 476 |
| C/1998 M5 | 1998 12 07.75314 | 18 46 51.60 | +36 56 16.6 | 12.2 | T | 476 |
| C/1998 M5 | 1998 12 07.76215 | 18 46 51.82 | +36 56 19.5 | 12.2 | T | 476 |
| C/1998 M5 | 1998 12 12.39751 | 18 48 06.18 | +37 28 10.5 | 347 | ||
| C/1998 M5 | 1998 12 12.40084 | 18 48 06.25 | +37 28 11.3 | 347 | ||
| C/1998 M5 | 1998 12 12.40303 | 18 48 06.27 | +37 28 12.7 | 347 | ||
| C/1998 M5 | 1998 12 17.36407 | 18 49 47.48 | +38 11 13.9 | 11.6 | T | 402 |
| C/1998 M5 | 1998 12 17.36512 | 18 49 47.51 | +38 11 14.3 | 402 | ||
| C/1998 M5 | 1998 12 17.36720 | 18 49 47.54 | +38 11 15.6 | 402 | ||
| C/1998 M5 | 1998 12 17.71047 | 18 49 55.43 | +38 14 35.0 | 11.6 | T | 605 |
| C/1998 M5 | 1998 12 17.72318 | 18 49 55.71 | +38 14 43.0 | 11.6 | T | 605 |
| C/1998 M5 | 1998 12 17.73628 | 18 49 55.94 | +38 14 50.9 | 11.6 | T | 605 |
| C/1998 M5 | 1998 12 20.72963 | 18 51 07.44 | +38 45 56.4 | 11.7 | T | 605 |
| C/1998 M5 | 1998 12 23.37808 | 18 52 15.95 | +39 16 34.2 | 11.2 | T | 402 |
| C/1998 M5 | 1998 12 23.37912 | 18 52 16.00 | +39 16 34.8 | 402 |