| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 U1 | 1998 10 18.40062 | 03 56 57.57 | +33 36 22.5 | 19.2 | T | 704 |
| C/1998 U1 | 1998 10 18.42061 | 03 56 55.43 | +33 36 15.5 | 18.7 | T | 704 |
| C/1998 U1 | 1998 10 18.44068 | 03 56 53.03 | +33 36 06.5 | 19.5 | T | 704 |
| C/1998 U1 | 1998 10 18.48092 | 03 56 48.29 | +33 35 52.4 | 19.3 | T | 704 |
| C/1998 U1 | 1998 10 20.07972 | 03 53 43.74 | +33 24 51.8 | 557 | ||
| C/1998 U1 | 1998 10 20.08161 | 03 53 43.41 | +33 24 51.2 | 557 | ||
| C/1998 U1 | 1998 10 20.12917 | 03 53 37.96 | +33 24 31.2 | 046 | ||
| C/1998 U1 | 1998 10 20.13323 | 03 53 37.53 | +33 24 29.9 | 046 | ||
| C/1998 U1 | 1998 10 20.13512 | 03 53 37.28 | +33 24 27.6 | 046 | ||
| C/1998 U1 | 1998 10 20.13894 | 03 53 36.79 | +33 24 27.3 | 18.2 | T | 046 |
| C/1998 U1 | 1998 10 20.41799 | 03 53 04.29 | +33 22 28.3 | 658 | ||
| C/1998 U1 | 1998 10 20.42170 | 03 53 03.83 | +33 22 26.7 | 658 | ||
| C/1998 U1 | 1998 10 20.42725 | 03 53 03.13 | +33 22 24.6 | 658 | ||
| C/1998 U1 | 1998 10 20.94932 | 03 52 02.18 | +33 18 38.9 | 557 | ||
| C/1998 U1 | 1998 10 20.95164 | 03 52 01.90 | +33 18 38.6 | 18.6 | T | 557 |
| C/1998 U1 | 1998 10 20.95397 | 03 52 01.67 | +33 18 36.9 | 557 | ||
| C/1998 U1 | 1998 10 20.96719 | 03 52 00.05 | +33 18 30.9 | 557 | ||
| C/1998 U1 | 1998 10 20.96951 | 03 51 59.80 | +33 18 29.7 | 557 | ||
| C/1998 U1 | 1998 10 20.97185 | 03 51 59.51 | +33 18 29.2 | 557 | ||
| C/1998 U1 | 1998 10 21.10700 | 03 51 43.52 | +33 17 29.3 | 557 |
