| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1991 B1 | 1991 02 12.64670 | 09 24 11.66 | +02 03 06.3 | 897 | ||
| C/1991 B1 | 1991 02 13.67014 | 09 23 17.27 | +02 17 30.6 | 391 | ||
| C/1991 B1 | 1991 02 13.68403 | 09 23 16.50 | +02 17 42.4 | 391 | ||
| C/1991 B1 | 1991 02 16.21689 | 09 21 01.54 | +02 53 55.8 | 801 | ||
| C/1991 B1 | 1991 02 16.22971 | 09 21 00.96 | +02 54 06.3 | 801 | ||
| C/1991 B1 | 1991 02 16.89766 | 09 20 25.66 | +03 03 48.0 | 480 | ||
| C/1991 B1 | 1991 02 17.94943 | 09 19 29.03 | +03 19 07.2 | 046 | ||
| C/1991 B1 | 1991 02 17.96367 | 09 19 28.30 | +03 19 18.9 | 046 | ||
| C/1991 B1 | 1991 02 18.94479 | 09 18 36.07 | +03 33 44.1 | 046 | ||
| C/1991 B1 | 1991 02 18.95758 | 09 18 35.26 | +03 33 56.2 | 046 | ||
| C/1991 B1 | 1991 03 07.85694 | 09 04 10.04 | +07 52 00.3 | 046 | ||
| C/1991 B1 | 1991 03 07.87257 | 09 04 09.30 | +07 52 17.0 | 046 | ||
| C/1991 B1 | 1991 03 09.21753 | 09 03 06.37 | +08 13 02.8 | 14.9 | T | 675 |
| C/1991 B1 | 1991 03 09.25069 | 09 03 04.78 | +08 13 33.8 | 675 | ||
| C/1991 B1 | 1991 03 12.79198 | 09 00 25.05 | +09 08 03.2 | 046 | ||
| C/1991 B1 | 1991 03 12.80339 | 09 00 24.44 | +09 08 16.2 | 046 | ||
| C/1991 B1 | 1991 03 13.14067 | 09 00 09.79 | +09 13 23.0 | 801 | ||
| C/1991 B1 | 1991 03 13.78602 | 08 59 42.03 | +09 23 12.5 | 046 | ||
| C/1991 B1 | 1991 03 13.79736 | 08 59 41.44 | +09 23 25.6 | 046 | ||
| C/1991 B1 | 1991 03 14.81061 | 08 58 58.44 | +09 38 50.9 | 046 |