| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 J1 | 1998 05 05.62176 | 02 29 00.20 | +22 17 21.0 | 249 | ||
| C/1998 J1 | 1998 05 05.66033 | 02 29 27.30 | +22 20 28.0 | 249 | ||
| C/1998 J1 | 1998 05 05.70040 | 02 29 55.80 | +22 24 25.0 | 249 | ||
| C/1998 J1 | 1998 05 05.72137 | 02 30 08.60 | +22 25 49.0 | 249 | ||
| C/1998 J1 | 1998 05 05.77029 | 02 30 52.40 | +22 30 43.0 | 249 | ||
| C/1998 J1 | 1998 05 05.81841 | 02 31 20.10 | +22 34 34.0 | 249 | ||
| C/1998 J1 | 1998 05 05.85967 | 02 31 51.90 | +22 38 36.0 | 249 | ||
| C/1998 J1 | 1998 05 05.96311 | 02 33 08.10 | +22 47 45.0 | 249 | ||
| C/1998 J1 | 1998 05 05.98782 | 02 33 26.00 | +22 49 46.0 | 249 | ||
| C/1998 J1 | 1998 05 06.02803 | 02 33 55.50 | +22 53 05.0 | 249 | ||
| C/1998 J1 | 1998 05 06.07264 | 02 34 28.80 | +22 56 43.0 | 249 | ||
| C/1998 J1 | 1998 05 06.11285 | 02 34 59.70 | +23 00 20.0 | 249 | ||
| C/1998 J1 | 1998 05 06.15363 | 02 35 30.50 | +23 03 29.0 | 249 | ||
| C/1998 J1 | 1998 05 06.23706 | 02 36 33.10 | +23 10 31.0 | 249 | ||
| C/1998 J1 | 1998 05 06.27864 | 02 37 06.00 | +23 14 13.0 | 249 | ||
| C/1998 J1 | 1998 05 06.32315 | 02 37 39.90 | +23 17 56.0 | 249 | ||
| C/1998 J1 | 1998 05 06.36434 | 02 38 10.30 | +23 21 10.0 | 249 | ||
| C/1998 J1 | 1998 05 06.40579 | 02 38 44.10 | +23 24 50.0 | 249 | ||
| C/1998 J1 | 1998 05 06.44868 | 02 39 16.80 | +23 28 04.0 | 249 | ||
| C/1998 J1 | 1998 05 06.49161 | 02 39 50.40 | +23 30 52.0 | 249 |