| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 U1 | 1998 10 21.11343 | 03 51 42.76 | +33 17 27.1 | 18.2 | T | 046 |
| C/1998 U1 | 1998 10 21.11611 | 03 51 42.33 | +33 17 26.4 | 046 | ||
| C/1998 U1 | 1998 10 21.11716 | 03 51 42.20 | +33 17 25.5 | 046 | ||
| C/1998 U1 | 1998 10 21.11939 | 03 51 41.99 | +33 17 23.8 | 046 | ||
| C/1998 U1 | 1998 10 21.12096 | 03 51 41.77 | +33 17 23.0 | 18.3 | T | 046 |
| C/1998 U1 | 1998 10 21.37060 | 03 51 12.71 | +33 15 35.6 | 18.9 | T | 673 |
| C/1998 U1 | 1998 10 21.38078 | 03 51 11.48 | +33 15 31.2 | 673 | ||
| C/1998 U1 | 1998 10 21.41222 | 03 51 07.65 | +33 15 15.3 | 658 | ||
| C/1998 U1 | 1998 10 21.41704 | 03 51 07.06 | +33 15 13.3 | 658 | ||
| C/1998 U1 | 1998 10 21.41963 | 03 51 06.72 | +33 15 12.2 | 658 | ||
| C/1998 U1 | 1998 10 22.50894 | 03 48 58.14 | +33 07 02.9 | 19.3 | T | 402 |
| C/1998 U1 | 1998 10 22.51052 | 03 48 58.01 | +33 07 02.0 | 402 | ||
| C/1998 U1 | 1998 10 22.51212 | 03 48 57.73 | +33 07 01.1 | 402 | ||
| C/1998 U1 | 1998 10 24.65226 | 03 44 41.18 | +32 50 08.2 | 18.4 | T | 360 |
| C/1998 U1 | 1998 10 24.65642 | 03 44 40.67 | +32 50 06.3 | 360 | ||
| C/1998 U1 | 1998 10 24.66059 | 03 44 40.17 | +32 50 04.0 | 360 | ||
| C/1998 U1 | 1998 10 24.68403 | 03 44 37.21 | +32 49 52.6 | 18.9 | T | 372 |
| C/1998 U1 | 1998 10 24.75139 | 03 44 28.98 | +32 49 19.5 | 372 | ||
| C/1998 U1 | 1998 10 25.63022 | 03 42 43.05 | +32 42 04.6 | 18.4 | T | 867 |
| C/1998 U1 | 1998 10 25.63647 | 03 42 42.20 | +32 42 01.5 | 867 |