| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1988 Y1 | 1989 01 01.84097 | 16 23 07.95 | -01 23 24.8 | 8.5 | T | 372 |
| C/1988 Y1 | 1989 01 01.84219 | 16 23 07.74 | -01 23 35.2 | 893 | ||
| C/1988 Y1 | 1989 01 01.84323 | 16 23 06.96 | -01 23 32.4 | 9.0 | T | 897 |
| C/1988 Y1 | 1989 01 01.84369 | 16 23 06.98 | -01 23 40.5 | 893 | ||
| C/1988 Y1 | 1989 01 01.84525 | 16 23 06.33 | -01 23 42.5 | 897 | ||
| C/1988 Y1 | 1989 01 01.85243 | 16 23 04.21 | -01 24 06.3 | 404 | ||
| C/1988 Y1 | 1989 01 01.85902 | 16 23 02.22 | -01 24 26.8 | 372 | ||
| C/1988 Y1 | 1989 01 01.86186 | 16 23 01.12 | -01 24 37.4 | 897 | ||
| C/1988 Y1 | 1989 01 01.86597 | 16 22 59.97 | -01 24 51.8 | 897 | ||
| C/1988 Y1 | 1989 01 01.87188 | 16 22 58.15 | -01 25 09.4 | 372 | ||
| C/1988 Y1 | 1989 01 02.83715 | 16 17 51.87 | -02 21 48.5 | 391 | ||
| C/1988 Y1 | 1989 01 02.83791 | 16 17 51.55 | -02 21 50.5 | 887 | ||
| C/1988 Y1 | 1989 01 02.83900 | 16 17 51.43 | -02 21 51.9 | 877 | ||
| C/1988 Y1 | 1989 01 02.84132 | 16 17 50.56 | -02 22 03.2 | 887 | ||
| C/1988 Y1 | 1989 01 02.84236 | 16 17 50.04 | -02 22 07.5 | 391 | ||
| C/1988 Y1 | 1989 01 02.84601 | 16 17 48.60 | -02 22 21.5 | 405 | ||
| C/1988 Y1 | 1989 01 02.85625 | 16 17 45.49 | -02 22 58.6 | 403 | ||
| C/1988 Y1 | 1989 01 02.85833 | 16 17 44.55 | -02 23 05.2 | 405 | ||
| C/1988 Y1 | 1989 01 02.86215 | 16 17 43.76 | -02 23 28.8 | 893 | ||
| C/1988 Y1 | 1989 01 02.86458 | 16 17 42.91 | -02 23 26.8 | 403 |