| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1991 A2 | 1991 01 21.87847 | 08 06 48.16 | +45 19 01.2 | 589 | ||
| C/1991 A2 | 1991 01 21.88194 | 08 06 47.36 | +45 19 21.6 | 589 | ||
| C/1991 A2 | 1991 01 21.88542 | 08 06 46.55 | +45 19 41.3 | 589 | ||
| C/1991 A2 | 1991 01 22.64861 | 08 03 46.14 | +46 32 19.4 | 11.0 | T | 372 |
| C/1991 A2 | 1991 01 25.73941 | 07 51 17.95 | +50 58 05.2 | 046 | ||
| C/1991 A2 | 1991 01 25.74184 | 07 51 17.23 | +50 58 12.1 | 046 | ||
| C/1991 A2 | 1991 01 25.77234 | 07 51 08.10 | +51 00 43.8 | 11.0 | T | 877 |
| C/1991 A2 | 1991 01 25.78264 | 07 51 05.49 | +51 01 32.9 | 877 | ||
| C/1991 A2 | 1991 01 28.52431 | 07 39 43.46 | +54 20 55.4 | 10.0 | T | 897 |
| C/1991 A2 | 1991 01 28.53131 | 07 39 41.96 | +54 21 26.5 | 897 | ||
| C/1991 A2 | 1991 01 31.72743 | 07 26 21.88 | +57 34 49.9 | 540 | ||
| C/1991 A2 | 1991 01 31.74549 | 07 26 17.20 | +57 35 50.4 | 540 | ||
| C/1991 A2 | 1991 02 01.74063 | 07 22 10.23 | +58 28 19.5 | 540 | ||
| C/1991 A2 | 1991 02 01.75868 | 07 22 05.88 | +58 29 16.6 | 540 | ||
| C/1991 A2 | 1991 02 01.77098 | 07 22 03.15 | +58 29 56.4 | 046 | ||
| C/1991 A2 | 1991 02 02.79512 | 07 17 51.22 | +59 20 16.4 | 046 | ||
| C/1991 A2 | 1991 02 02.80119 | 07 17 49.11 | +59 20 41.3 | 046 | ||
| C/1991 A2 | 1991 02 04.85764 | 07 09 33.04 | +60 51 54.6 | 026 | ||
| C/1991 A2 | 1991 02 05.52639 | 07 06 55.52 | +61 18 55.1 | 875 | ||
| C/1991 A2 | 1991 02 05.53345 | 07 06 53.75 | +61 19 10.3 | 875 |