| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1991 B1 | 1992 04 14.76566 | 21 01 33.27 | +41 59 03.3 | 411 | ||
| C/1991 B1 | 1992 04 14.76681 | 21 01 33.35 | +41 59 03.0 | 411 | ||
| C/1991 B1 | 1992 04 14.76855 | 21 01 33.48 | +41 59 02.7 | 411 | ||
| C/1991 B1 | 1992 04 16.76039 | 21 03 28.15 | +42 04 06.0 | 411 | ||
| C/1991 B1 | 1992 04 16.76229 | 21 03 28.36 | +42 04 06.0 | 411 | ||
| C/1991 B1 | 1992 04 16.76344 | 21 03 28.33 | +42 04 05.9 | 411 | ||
| C/1991 B1 | 1992 04 16.76475 | 21 03 28.55 | +42 04 06.0 | 411 | ||
| C/1991 B1 | 1992 04 16.78600 | 21 03 29.62 | +42 04 10.5 | 12.5 | T | 897 |
| C/1991 B1 | 1992 04 16.79647 | 21 03 30.16 | +42 04 12.3 | 897 | ||
| C/1991 B1 | 1992 04 20.77552 | 21 06 59.88 | +42 14 19.8 | 897 | ||
| C/1991 B1 | 1992 04 20.78351 | 21 07 00.39 | +42 14 19.3 | 897 | ||
| C/1991 B1 | 1992 04 22.76393 | 21 08 34.92 | +42 19 20.7 | 411 | ||
| C/1991 B1 | 1992 04 22.76527 | 21 08 35.00 | +42 19 20.1 | 411 | ||
| C/1991 B1 | 1992 04 22.76805 | 21 08 35.16 | +42 19 21.0 | 411 | ||
| C/1991 B1 | 1992 04 22.76938 | 21 08 35.28 | +42 19 21.8 | 411 | ||
| C/1991 B1 | 1992 04 25.76010 | 21 10 45.93 | +42 26 51.8 | 411 | ||
| C/1991 B1 | 1992 04 25.76116 | 21 10 46.03 | +42 26 51.9 | 411 | ||
| C/1991 B1 | 1992 04 25.76389 | 21 10 46.03 | +42 26 52.8 | 411 | ||
| C/1991 B1 | 1992 04 25.76487 | 21 10 46.09 | +42 26 52.7 | 411 | ||
| C/1991 B1 | 1992 04 29.33772 | 21 13 02.67 | +42 35 39.4 | 801 |
