| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1991 B1 | 1991 04 12.84688 | 08 45 57.15 | +16 19 53.8 | 046 | ||
| C/1991 B1 | 1991 04 12.85538 | 08 45 57.00 | +16 20 00.2 | 046 | ||
| C/1991 B1 | 1991 04 13.82153 | 08 45 47.90 | +16 31 36.3 | 540 | ||
| C/1991 B1 | 1991 04 13.84375 | 08 45 47.68 | +16 31 51.1 | 540 | ||
| C/1991 B1 | 1991 04 14.19045 | 08 45 44.72 | +16 35 57.4 | 13.6 | T | 675 |
| C/1991 B1 | 1991 04 16.17900 | 08 45 30.44 | +16 59 14.6 | 675 | ||
| C/1991 B1 | 1991 05 03.45903 | 08 46 46.26 | +19 58 56.1 | 14.0 | T | 372 |
| C/1991 B1 | 1991 05 03.49462 | 08 46 46.81 | +19 59 14.9 | 372 | ||
| C/1991 B1 | 1991 05 05.86181 | 08 47 24.26 | +20 20 48.2 | 540 | ||
| C/1991 B1 | 1991 05 05.88481 | 08 47 24.61 | +20 21 00.8 | 540 | ||
| C/1991 B1 | 1991 05 11.04176 | 08 49 07.91 | +21 05 39.0 | 801 | ||
| C/1991 B1 | 1991 05 11.05405 | 08 49 08.20 | +21 05 44.8 | 801 | ||
| C/1991 B1 | 1991 05 12.04425 | 08 49 31.31 | +21 13 57.3 | 801 | ||
| C/1991 B1 | 1991 05 12.06608 | 08 49 31.82 | +21 14 08.0 | 801 | ||
| C/1991 B1 | 1991 05 13.16632 | 08 49 58.81 | +21 23 08.2 | 13.6 | T | 675 |
| C/1991 B1 | 1991 05 13.21146 | 08 49 59.92 | +21 23 28.9 | 675 | ||
| C/1991 B1 | 1991 05 14.90764 | 08 50 43.98 | +21 37 01.9 | 595 | ||
| C/1991 B1 | 1991 05 14.92153 | 08 50 44.23 | +21 37 11.0 | 595 | ||
| C/1991 B1 | 1991 11 04.81343 | 13 28 02.83 | +34 19 35.7 | 411 | ||
| C/1991 B1 | 1991 11 04.81360 | 13 28 03.23 | +34 19 37.9 | 12.0 | T | 897 |