| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1998 10 17.80572 | 19 08 38.31 | +38 02 21.1 | 12.4 | T | 540 |
| C/1998 M5 | 1998 10 17.80676 | 19 08 38.16 | +38 02 19.8 | 540 | ||
| C/1998 M5 | 1998 10 17.80775 | 19 08 38.20 | +38 02 19.5 | 540 | ||
| C/1998 M5 | 1998 10 18.14288 | 19 08 09.95 | +38 00 10.9 | 12.5 | T | 670 |
| C/1998 M5 | 1998 10 18.15746 | 19 08 08.71 | +38 00 05.4 | 670 | ||
| C/1998 M5 | 1998 10 18.17222 | 19 08 07.51 | +37 59 59.4 | 670 | ||
| C/1998 M5 | 1998 10 18.51281 | 19 07 39.27 | +37 57 47.3 | 12.3 | T | 351 |
| C/1998 M5 | 1998 10 18.51531 | 19 07 39.06 | +37 57 46.4 | 351 | ||
| C/1998 M5 | 1998 10 18.52046 | 19 07 38.63 | +37 57 45.6 | 351 | ||
| C/1998 M5 | 1998 10 19.11744 | 19 06 50.20 | +37 53 55.2 | 14.4 | T | 750 |
| C/1998 M5 | 1998 10 19.12474 | 19 06 49.62 | +37 53 52.6 | 14.3 | T | 750 |
| C/1998 M5 | 1998 10 19.77811 | 19 05 57.89 | +37 49 44.2 | 13.2 | T | 071 |
| C/1998 M5 | 1998 10 19.77928 | 19 05 57.81 | +37 49 43.3 | 13.0 | T | 071 |
| C/1998 M5 | 1998 10 19.78028 | 19 05 57.74 | +37 49 43.2 | 12.9 | T | 071 |
| C/1998 M5 | 1998 10 19.78119 | 19 05 57.71 | +37 49 42.9 | 12.9 | T | 071 |
| C/1998 M5 | 1998 10 19.78287 | 19 05 57.52 | +37 49 41.9 | 12.8 | T | 071 |
| C/1998 M5 | 1998 10 19.78458 | 19 05 57.45 | +37 49 41.8 | 12.7 | T | 071 |
| C/1998 M5 | 1998 10 19.78578 | 19 05 57.30 | +37 49 41.5 | 12.5 | T | 071 |
| C/1998 M5 | 1998 10 19.78698 | 19 05 57.29 | +37 49 40.2 | 12.6 | T | 071 |
| C/1998 M5 | 1998 10 20.73267 | 19 04 44.74 | +37 43 44.7 | 12.2 | T | 118 |