| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1999 03 16.55775 | 07 19 13.00 | +88 49 27.1 | 402 | ||
| C/1998 M5 | 1999 03 18.02778 | 07 38 47.20 | +87 18 12.5 | 12.8 | T | 561 |
| C/1998 M5 | 1999 03 18.03738 | 07 38 50.52 | +87 17 36.8 | 12.6 | T | 561 |
| C/1998 M5 | 1999 03 18.04022 | 07 38 51.84 | +87 17 25.7 | 12.7 | T | 561 |
| C/1998 M5 | 1999 03 18.04149 | 07 38 52.35 | +87 17 21.4 | 12.9 | T | 561 |
| C/1998 M5 | 1999 03 18.95721 | 07 43 20.40 | +86 20 25.8 | 107 | ||
| C/1998 M5 | 1999 03 18.96900 | 07 43 22.25 | +86 19 42.7 | 107 | ||
| C/1998 M5 | 1999 03 20.92347 | 07 48 50.39 | +84 18 03.5 | 11.6 | T | 504 |
| C/1998 M5 | 1999 03 20.92411 | 07 48 50.50 | +84 18 00.3 | 11.6 | T | 504 |
| C/1998 M5 | 1999 03 20.92475 | 07 48 50.63 | +84 17 58.3 | 11.6 | T | 504 |
| C/1998 M5 | 1999 03 20.92667 | 07 48 50.98 | +84 17 51.0 | 504 | ||
| C/1998 M5 | 1999 03 20.92731 | 07 48 51.07 | +84 17 49.0 | 504 | ||
| C/1998 M5 | 1999 03 20.92795 | 07 48 51.21 | +84 17 47.0 | 504 | ||
| C/1998 M5 | 1999 03 21.27781 | 07 49 32.74 | +83 56 01.7 | 13.0 | N | G91 |
| C/1998 M5 | 1999 03 22.59610 | 07 51 53.55 | +82 34 13.7 | 897 | ||
| C/1998 M5 | 1999 03 22.60050 | 07 51 53.98 | +82 33 57.5 | 897 | ||
| C/1998 M5 | 1999 03 28.52784 | 07 59 34.90 | +76 31 02.7 | 12.3 | T | 351 |
| C/1998 M5 | 1999 03 28.53142 | 07 59 35.21 | +76 30 49.8 | 351 | ||
| C/1998 M5 | 1999 03 28.53557 | 07 59 35.04 | +76 30 35.1 | 351 | ||
| C/1998 M5 | 1999 03 30.87953 | 08 02 08.65 | +74 10 22.7 | 11.6 | T | 504 |