| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1989 X1 | 1990 06 14.56146 | 16 14 49.88 | -31 52 01.2 | 413 | ||
| C/1989 X1 | 1990 06 15.44638 | 16 10 44.49 | -32 13 01.6 | 415 | ||
| C/1989 X1 | 1990 06 15.58984 | 16 10 05.34 | -32 16 16.1 | 413 | ||
| C/1989 X1 | 1990 06 17.45921 | 16 02 25.69 | -32 53 43.7 | 415 | ||
| C/1989 X1 | 1990 06 17.59826 | 16 01 52.97 | -32 56 26.2 | 12.0 | T | 372 |
| C/1989 X1 | 1990 06 18.43967 | 15 58 49.57 | -33 10 27.8 | 415 | ||
| C/1989 X1 | 1990 06 19.39784 | 15 55 35.18 | -33 25 17.9 | 415 | ||
| C/1989 X1 | 1990 06 23.44450 | 15 44 17.16 | -34 14 08.4 | 15.0 | T | 474 |
| C/1989 X1 | 1990 06 23.45104 | 15 44 16.18 | -34 14 13.5 | 474 |