| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1991 A2 | 1991 02 07.45972 | 06 59 32.14 | +62 30 19.2 | 15.0 | T | 372 |
| C/1991 A2 | 1991 02 09.82639 | 06 50 57.13 | +63 45 32.1 | 540 | ||
| C/1991 A2 | 1991 02 09.84479 | 06 50 52.94 | +63 46 05.9 | 540 | ||
| C/1991 A2 | 1991 02 10.53611 | 06 48 29.92 | +64 05 52.4 | 14.0 | T | 875 |
| C/1991 A2 | 1991 02 13.51979 | 06 38 51.05 | +65 20 47.3 | 391 | ||
| C/1991 A2 | 1991 02 13.52743 | 06 38 49.59 | +65 20 59.8 | 391 | ||
| C/1991 A2 | 1991 02 20.50347 | 06 20 59.71 | +67 26 16.7 | 14.5 | T | 875 |
| C/1991 A2 | 1991 03 03.46649 | 06 06 52.90 | +69 18 48.1 | 16.0 | T | 897 |
| C/1991 A2 | 1991 03 03.49925 | 06 06 52.04 | +69 18 59.1 | 897 | ||
| C/1991 A2 | 1991 03 09.53194 | 06 05 44.06 | +69 57 22.0 | 16.0 | T | 875 |
| C/1991 A2 | 1991 03 13.87778 | 06 07 27.64 | +70 18 47.8 | 15.5 | T | 540 |
| C/1991 A2 | 1991 03 13.92085 | 06 07 28.99 | +70 18 58.3 | 540 |