| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 W3 | 1999 01 18.96954 | 07 35 59.85 | +40 59 42.8 | 143 | ||
| C/1998 W3 | 1999 01 19.19258 | 07 35 36.94 | +41 01 49.6 | 18.4 | T | 704 |
| C/1998 W3 | 1999 01 19.21486 | 07 35 34.63 | +41 02 02.5 | 18.1 | T | 704 |
| C/1998 W3 | 1999 01 19.23713 | 07 35 32.30 | +41 02 15.5 | 18.7 | T | 704 |
| C/1998 W3 | 1999 01 19.25937 | 07 35 30.00 | +41 02 27.4 | 18.6 | T | 704 |
| C/1998 W3 | 1999 01 19.28159 | 07 35 27.72 | +41 02 40.4 | 18.7 | T | 704 |
| C/1998 W3 | 1999 01 21.65619 | 07 31 23.79 | +41 24 24.3 | 16.8 | T | 355 |
| C/1998 W3 | 1999 01 21.65956 | 07 31 23.46 | +41 24 25.4 | 355 | ||
| C/1998 W3 | 1999 01 21.66299 | 07 31 23.09 | +41 24 27.4 | 355 | ||
| C/1998 W3 | 1999 01 21.71076 | 07 31 18.13 | +41 24 52.7 | 16.6 | T | 360 |
| C/1998 W3 | 1999 01 21.71493 | 07 31 17.71 | +41 24 55.1 | 360 | ||
| C/1998 W3 | 1999 01 22.15603 | 07 30 32.41 | +41 28 48.5 | 17.0 | T | 046 |
| C/1998 W3 | 1999 01 22.15723 | 07 30 32.28 | +41 28 48.8 | 046 | ||
| C/1998 W3 | 1999 01 22.15855 | 07 30 32.14 | +41 28 49.6 | 046 | ||
| C/1998 W3 | 1999 01 22.66780 | 07 29 39.92 | +41 33 17.6 | 16.6 | T | 900 |
| C/1998 W3 | 1999 01 22.68043 | 07 29 38.54 | +41 33 24.4 | 900 | ||
| C/1998 W3 | 1999 01 23.94432 | 07 27 29.22 | +41 44 12.0 | 15.8 | T | 504 |
| C/1998 W3 | 1999 01 23.94596 | 07 27 29.03 | +41 44 13.4 | 16.6 | T | 504 |
| C/1998 W3 | 1999 01 23.94929 | 07 27 28.69 | +41 44 14.8 | 15.9 | T | 504 |
| C/1998 W3 | 1999 01 23.95096 | 07 27 28.56 | +41 44 15.3 | 16.0 | T | 504 |