| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1991 B1 | 1992 04 29.35657 | 21 13 03.32 | +42 35 42.2 | 801 | ||
| C/1991 B1 | 1992 04 30.36073 | 21 13 38.04 | +42 38 05.5 | 801 | ||
| C/1991 B1 | 1992 04 30.36205 | 21 13 37.70 | +42 38 08.5 | 801 | ||
| C/1991 B1 | 1992 04 30.75936 | 21 13 51.00 | +42 39 04.0 | 411 | ||
| C/1991 B1 | 1992 04 30.76046 | 21 13 51.04 | +42 39 03.3 | 411 | ||
| C/1991 B1 | 1992 05 02.73756 | 21 14 52.64 | +42 43 41.7 | 411 | ||
| C/1991 B1 | 1992 05 02.73858 | 21 14 52.63 | +42 43 41.8 | 411 | ||
| C/1991 B1 | 1992 05 02.73953 | 21 14 52.70 | +42 43 40.4 | 411 | ||
| C/1991 B1 | 1992 05 07.35582 | 21 16 50.35 | +42 53 47.0 | 801 | ||
| C/1991 B1 | 1992 05 10.74146 | 21 17 52.91 | +43 00 27.5 | 411 | ||
| C/1991 B1 | 1992 05 10.74247 | 21 17 52.94 | +43 00 28.0 | 411 | ||
| C/1991 B1 | 1992 05 10.74343 | 21 17 52.98 | +43 00 28.7 | 411 | ||
| C/1991 B1 | 1992 05 11.67766 | 21 18 06.64 | +43 02 11.3 | 13.0 | T | 897 |
| C/1991 B1 | 1992 05 11.72931 | 21 18 07.38 | +43 02 16.3 | 411 | ||
| C/1991 B1 | 1992 05 11.73062 | 21 18 07.46 | +43 02 16.1 | 411 | ||
| C/1991 B1 | 1992 05 11.73142 | 21 18 07.48 | +43 02 18.1 | 897 | ||
| C/1991 B1 | 1992 05 11.73445 | 21 18 07.50 | +43 02 16.8 | 411 | ||
| C/1991 B1 | 1992 05 11.73593 | 21 18 07.55 | +43 02 17.0 | 411 | ||
| C/1991 B1 | 1992 05 20.71884 | 21 19 01.17 | +43 14 42.6 | 411 | ||
| C/1991 B1 | 1992 05 20.72206 | 21 19 01.14 | +43 14 42.8 | 411 |