| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M2 | 1998 11 23.40990 | 18 51 14.62 | +23 02 21.3 | 360 | ||
| C/1998 M2 | 1998 11 25.69161 | 18 54 50.79 | +23 14 20.3 | 046 | ||
| C/1998 M2 | 1998 11 25.69322 | 18 54 50.93 | +23 14 20.9 | 046 | ||
| C/1998 M2 | 1998 11 25.69544 | 18 54 51.13 | +23 14 21.5 | 046 | ||
| C/1998 M2 | 1999 07 31.64801 | 01 27 44.49 | +66 41 28.5 | 18.3 | T | 402 |
| C/1998 M2 | 1999 07 31.65031 | 01 27 44.52 | +66 41 29.5 | 402 | ||
| C/1998 M2 | 1999 07 31.65262 | 01 27 44.67 | +66 41 30.3 | 402 | ||
| C/1998 M2 | 1999 07 31.65491 | 01 27 44.79 | +66 41 31.9 | 402 | ||
| C/1998 M2 | 1999 08 12.78127 | 01 30 23.52 | +68 05 53.1 | 18.4 | T | 402 |
| C/1998 M2 | 1999 08 12.78359 | 01 30 23.61 | +68 05 54.0 | 402 | ||
| C/1998 M2 | 1999 08 12.78588 | 01 30 23.72 | +68 05 54.8 | 402 | ||
| C/1998 M2 | 1999 09 13.87102 | 01 14 16.25 | +70 14 22.0 | 557 | ||
| C/1998 M2 | 1999 09 27.63889 | 00 59 08.71 | +70 08 34.7 | 18.0 | T | 402 |
| C/1998 M2 | 1999 09 27.64351 | 00 59 08.29 | +70 08 33.9 | 402 | ||
| C/1998 M2 | 1999 09 27.64582 | 00 59 08.10 | +70 08 33.5 | 402 | ||
| C/1998 M2 | 1999 10 20.25770 | 00 33 58.81 | +68 23 19.1 | 20.2 | T | 704 |
| C/1998 M2 | 1999 10 20.27319 | 00 33 58.36 | +68 23 12.2 | 19.9 | T | 704 |
| C/1998 M2 | 1999 10 20.28869 | 00 33 57.50 | +68 23 04.7 | 20.4 | T | 704 |
| C/1998 M2 | 1999 10 20.30459 | 00 33 56.57 | +68 22 57.2 | 20.1 | T | 704 |