| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1999 04 07.59050 | 08 09 57.76 | +66 48 14.6 | 897 | ||
| C/1998 M5 | 1999 04 07.59420 | 08 09 57.99 | +66 48 02.2 | 355 | ||
| C/1998 M5 | 1999 04 07.59685 | 08 09 58.15 | +66 47 53.6 | 355 | ||
| C/1998 M5 | 1999 04 07.59949 | 08 09 58.30 | +66 47 44.5 | 355 | ||
| C/1998 M5 | 1999 04 07.60306 | 08 09 58.47 | +66 47 32.9 | 897 | ||
| C/1998 M5 | 1999 04 07.86100 | 08 10 14.25 | +66 33 22.0 | 963 | ||
| C/1998 M5 | 1999 04 08.23538 | 08 10 35.92 | +66 12 48.4 | 14.5 | T | 750 |
| C/1998 M5 | 1999 04 08.23773 | 08 10 36.04 | +66 12 40.6 | 14.6 | T | 750 |
| C/1998 M5 | 1999 04 08.24467 | 08 10 36.43 | +66 12 17.6 | 14.7 | T | 750 |
| C/1998 M5 | 1999 04 08.49072 | 08 10 51.18 | +65 58 52.4 | 11.8 | T | 402 |
| C/1998 M5 | 1999 04 08.49198 | 08 10 51.26 | +65 58 48.3 | 402 | ||
| C/1998 M5 | 1999 04 08.49450 | 08 10 51.39 | +65 58 40.0 | 402 | ||
| C/1998 M5 | 1999 04 08.83895 | 08 11 11.68 | +65 39 53.1 | 12.7 | T | 118 |
| C/1998 M5 | 1999 04 08.84406 | 08 11 12.06 | +65 39 35.8 | 118 | ||
| C/1998 M5 | 1999 04 09.58393 | 08 11 55.17 | +64 59 31.8 | 347 | ||
| C/1998 M5 | 1999 04 09.58762 | 08 11 55.34 | +64 59 19.9 | 347 | ||
| C/1998 M5 | 1999 04 09.59078 | 08 11 55.52 | +64 59 09.9 | 347 | ||
| C/1998 M5 | 1999 04 09.85086 | 08 12 11.18 | +64 45 10.1 | 963 | ||
| C/1998 M5 | 1999 04 10.93639 | 08 13 14.30 | +63 47 13.4 | 963 | ||
| C/1998 M5 | 1999 04 10.97095 | 08 13 16.36 | +63 45 22.2 | 12.0 | T | 967 |