| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1998 08 11.61178 | 22 13 08.86 | +33 18 15.5 | 402 | ||
| C/1998 M5 | 1998 08 11.61387 | 22 13 08.54 | +33 18 18.1 | 402 | ||
| C/1998 M5 | 1998 08 11.97672 | 22 12 14.45 | +33 25 58.0 | 108 | ||
| C/1998 M5 | 1998 08 11.97865 | 22 12 14.13 | +33 26 00.4 | 108 | ||
| C/1998 M5 | 1998 08 11.98015 | 22 12 14.00 | +33 26 01.1 | 12.0 | T | 108 |
| C/1998 M5 | 1998 08 12.00387 | 22 12 10.24 | +33 26 29.8 | 152 | ||
| C/1998 M5 | 1998 08 12.00899 | 22 12 09.47 | +33 26 37.5 | 152 | ||
| C/1998 M5 | 1998 08 12.01858 | 22 12 08.02 | +33 26 48.8 | 152 | ||
| C/1998 M5 | 1998 08 13.06021 | 22 09 30.05 | +33 48 34.4 | 152 | ||
| C/1998 M5 | 1998 08 13.06285 | 22 09 29.60 | +33 48 37.1 | 152 | ||
| C/1998 M5 | 1998 08 13.91168 | 22 07 18.48 | +34 06 04.9 | 107 | ||
| C/1998 M5 | 1998 08 13.91234 | 22 07 18.36 | +34 06 07.6 | 13.8 | T | 560 |
| C/1998 M5 | 1998 08 13.91376 | 22 07 18.17 | +34 06 07.8 | 107 | ||
| C/1998 M5 | 1998 08 13.91541 | 22 07 17.81 | +34 06 10.4 | 107 | ||
| C/1998 M5 | 1998 08 13.91763 | 22 07 17.50 | +34 06 14.1 | 13.8 | T | 560 |
| C/1998 M5 | 1998 08 13.91765 | 22 07 17.44 | +34 06 13.6 | 107 | ||
| C/1998 M5 | 1998 08 13.91975 | 22 07 17.10 | +34 06 16.0 | 107 | ||
| C/1998 M5 | 1998 08 13.92203 | 22 07 16.81 | +34 06 19.4 | 13.9 | T | 560 |
| C/1998 M5 | 1998 08 14.94131 | 22 04 35.54 | +34 26 58.9 | 504 | ||
| C/1998 M5 | 1998 08 14.94200 | 22 04 35.42 | +34 26 59.4 | 504 |