| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1989 T1 | 1989 10 01.33958 | 00 17 34.40 | -06 29 33.1 | 14.5 | T | 675 |
| C/1989 T1 | 1989 10 01.36406 | 00 17 28.11 | -06 28 36.4 | 675 | ||
| C/1989 T1 | 1989 10 02.24705 | 00 13 50.63 | -05 54 14.1 | 675 | ||
| C/1989 T1 | 1989 10 02.44253 | 00 13 00.63 | -05 46 31.0 | 675 | ||
| C/1989 T1 | 1989 10 03.21326 | 00 09 45.36 | -05 15 13.1 | 657 | ||
| C/1989 T1 | 1989 10 03.22437 | 00 09 42.54 | -05 14 48.4 | 657 | ||
| C/1989 T1 | 1989 10 03.56269 | 00 08 14.49 | -05 00 22.5 | 413 | ||
| C/1989 T1 | 1989 10 04.22437 | 00 05 21.21 | -04 32 39.9 | 657 | ||
| C/1989 T1 | 1989 10 04.27160 | 00 05 08.49 | -04 30 33.9 | 657 | ||
| C/1989 T1 | 1989 10 04.60243 | 00 03 40.33 | -04 16 18.0 | 14.0 | T | 400 |
| C/1989 T1 | 1989 10 04.61979 | 00 03 35.43 | -04 15 29.2 | 400 | ||
| C/1989 T1 | 1989 10 04.70541 | 00 03 11.89 | -04 11 26.0 | 413 | ||
| C/1989 T1 | 1989 10 05.69977 | 23 58 41.67 | -03 27 02.9 | 413 | ||
| C/1989 T1 | 1989 10 06.24444 | 23 56 11.61 | -03 02 20.4 | 675 | ||
| C/1989 T1 | 1989 10 06.26736 | 23 56 05.19 | -03 01 19.8 | 675 | ||
| C/1989 T1 | 1989 10 08.52778 | 23 45 18.33 | -01 12 15.9 | 13.0 | T | 875 |
| C/1989 T1 | 1989 10 08.53681 | 23 45 15.27 | -01 11 45.0 | 875 | ||
| C/1989 T1 | 1989 10 08.55613 | 23 45 09.53 | -01 10 51.2 | 14.0 | T | 897 |
| C/1989 T1 | 1989 10 08.62975 | 23 44 47.30 | -01 07 08.0 | 897 | ||
| C/1989 T1 | 1989 10 08.67153 | 23 44 34.97 | -01 04 45.1 | 413 |