| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1999 04 10.99063 | 08 13 17.51 | +63 44 19.1 | 11.6 | T | 967 |
| C/1998 M5 | 1999 04 11.00000 | 08 13 17.95 | +63 43 49.0 | 11.9 | T | 967 |
| C/1998 M5 | 1999 04 11.48321 | 08 13 46.38 | +63 18 20.1 | 11.5 | T | 351 |
| C/1998 M5 | 1999 04 11.48897 | 08 13 46.81 | +63 18 02.2 | 351 | ||
| C/1998 M5 | 1999 04 11.49512 | 08 13 47.06 | +63 17 43.0 | 351 | ||
| C/1998 M5 | 1999 04 12.86927 | 08 15 07.37 | +62 06 01.6 | 13.3 | T | 491 |
| C/1998 M5 | 1999 04 12.87438 | 08 15 06.75 | +62 05 39.6 | 13.1 | T | 491 |
| C/1998 M5 | 1999 04 12.87873 | 08 15 07.84 | +62 05 26.1 | 13.3 | T | 491 |
| C/1998 M5 | 1999 04 12.88263 | 08 15 07.94 | +62 05 17.2 | 13.3 | T | 491 |
| C/1998 M5 | 1999 04 12.96730 | 08 15 12.72 | +62 00 52.2 | 12.8 | T | 491 |
| C/1998 M5 | 1999 04 13.23194 | 08 15 27.98 | +61 47 12.2 | 15.7 | T | 750 |
| C/1998 M5 | 1999 04 13.24005 | 08 15 28.48 | +61 46 46.9 | 15.8 | T | 750 |
| C/1998 M5 | 1999 04 13.24977 | 08 15 29.04 | +61 46 16.5 | 15.7 | T | 750 |
| C/1998 M5 | 1999 04 14.51088 | 08 16 42.37 | +60 41 53.2 | 11.2 | T | 903 |
| C/1998 M5 | 1999 04 14.51458 | 08 16 42.56 | +60 41 42.4 | 11.4 | T | 360 |
| C/1998 M5 | 1999 04 14.51632 | 08 16 42.66 | +60 41 37.2 | 360 | ||
| C/1998 M5 | 1999 04 14.63722 | 08 16 49.63 | +60 35 27.1 | 903 | ||
| C/1998 M5 | 1999 04 14.63934 | 08 16 49.71 | +60 35 21.2 | 903 | ||
| C/1998 M5 | 1999 04 15.83052 | 08 17 58.96 | +59 35 37.0 | 046 | ||
| C/1998 M5 | 1999 04 15.83147 | 08 17 58.99 | +59 35 34.3 | 046 |
