| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M3 | 1999 05 14.71441 | 16 06 15.63 | +32 29 30.9 | 360 | ||
| C/1998 M3 | 1999 05 14.71875 | 16 06 15.49 | +32 29 32.7 | 360 | ||
| C/1998 M3 | 1999 05 15.30759 | 16 05 41.96 | +32 34 19.0 | 18.8 | T | 704 |
| C/1998 M3 | 1999 05 15.32263 | 16 05 40.78 | +32 34 26.1 | 19.1 | T | 704 |
| C/1998 M3 | 1999 05 15.35287 | 16 05 39.05 | +32 34 41.0 | 18.9 | T | 704 |
| C/1998 M3 | 1999 05 15.36811 | 16 05 38.10 | +32 34 50.9 | 18.9 | T | 704 |
| C/1998 M3 | 1999 06 14.58616 | 15 37 03.69 | +35 15 53.8 | 867 | ||
| C/1998 M3 | 1999 06 14.59900 | 15 37 03.09 | +35 15 55.7 | 867 | ||
| C/1998 M3 | 1999 06 14.61081 | 15 37 02.44 | +35 15 57.2 | 867 |
