| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M2 | 1998 08 04.25488 | 17 28 38.48 | +16 38 02.5 | 658 | ||
| C/1998 M2 | 1998 08 04.25807 | 17 28 38.39 | +16 38 04.2 | 658 | ||
| C/1998 M2 | 1998 08 04.26176 | 17 28 38.28 | +16 38 06.3 | 658 | ||
| C/1998 M2 | 1998 08 06.91468 | 17 27 26.87 | +17 00 07.7 | 046 | ||
| C/1998 M2 | 1998 08 06.91638 | 17 27 26.82 | +17 00 08.5 | 046 | ||
| C/1998 M2 | 1998 08 06.91770 | 17 27 26.81 | +17 00 09.2 | 046 | ||
| C/1998 M2 | 1998 08 06.91965 | 17 27 26.74 | +17 00 10.2 | 046 | ||
| C/1998 M2 | 1998 08 10.89112 | 17 26 01.70 | +17 29 35.1 | 15.8 | T | 143 |
| C/1998 M2 | 1998 08 10.89794 | 17 26 01.60 | +17 29 38.0 | 13.2 | T | 504 |
| C/1998 M2 | 1998 08 10.89896 | 17 26 01.55 | +17 29 38.3 | 15.8 | T | 143 |
| C/1998 M2 | 1998 08 10.89957 | 17 26 01.55 | +17 29 38.5 | 13.3 | T | 504 |
| C/1998 M2 | 1998 08 10.90247 | 17 26 01.47 | +17 29 40.2 | 13.1 | T | 504 |
| C/1998 M2 | 1998 08 10.90681 | 17 26 01.40 | +17 29 41.7 | 16.0 | T | 143 |
| C/1998 M2 | 1998 08 11.51200 | 17 25 50.77 | +17 33 50.6 | 14.7 | T | 402 |
| C/1998 M2 | 1998 08 11.51304 | 17 25 50.73 | +17 33 50.8 | 402 | ||
| C/1998 M2 | 1998 08 11.51409 | 17 25 50.71 | +17 33 51.2 | 402 | ||
| C/1998 M2 | 1998 08 14.88446 | 17 25 02.42 | +17 55 14.5 | 14.2 | T | 504 |
| C/1998 M2 | 1998 08 14.89069 | 17 25 02.37 | +17 55 16.7 | 13.9 | T | 504 |
| C/1998 M2 | 1998 08 14.89267 | 17 25 02.36 | +17 55 18.0 | 13.9 | T | 504 |
| C/1998 M2 | 1998 08 16.89775 | 17 24 42.46 | +18 06 49.9 | 15.3 | T | 504 |