| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1989 A1 | 1989 04 25.52083 | 15 06 09.07 | +49 15 28.0 | 16.0 | T | 897 |
| C/1989 A1 | 1989 04 25.55903 | 15 06 07.98 | +49 15 38.7 | 897 | ||
| C/1989 A1 | 1989 05 02.56979 | 15 00 44.92 | +49 44 04.2 | 373 | ||
| C/1989 A1 | 1989 05 28.25208 | 14 44 32.68 | +48 47 28.9 | 293 | ||
| C/1989 A1 | 1989 06 02.45889 | 14 42 36.33 | +48 11 46.1 | 568 | ||
| C/1989 A1 | 1989 06 02.46316 | 14 42 36.13 | +48 11 41.8 | 568 | ||
| C/1989 A1 | 1989 06 03.22822 | 14 42 22.08 | +48 05 56.5 | 801 | ||
| C/1989 A1 | 1989 07 09.17307 | 14 44 43.21 | +41 56 45.6 | 801 |
