| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1991 Y1 | 1992 01 02.36792 | 21 20 50.63 | +14 57 21.3 | 411 | ||
| C/1991 Y1 | 1992 01 02.36847 | 21 20 50.82 | +14 57 20.7 | 411 | ||
| C/1991 Y1 | 1992 01 02.36995 | 21 20 51.16 | +14 57 17.8 | 411 | ||
| C/1991 Y1 | 1992 01 02.37050 | 21 20 51.30 | +14 57 16.7 | 411 | ||
| C/1991 Y1 | 1992 01 02.37108 | 21 20 51.43 | +14 57 15.9 | 411 | ||
| C/1991 Y1 | 1992 01 02.37164 | 21 20 51.58 | +14 57 14.2 | 411 | ||
| C/1991 Y1 | 1992 01 03.38153 | 21 25 03.17 | +14 25 15.6 | 411 | ||
| C/1991 Y1 | 1992 01 03.38215 | 21 25 03.32 | +14 25 14.1 | 411 | ||
| C/1991 Y1 | 1992 01 03.38270 | 21 25 03.39 | +14 25 12.9 | 411 | ||
| C/1991 Y1 | 1992 01 03.38328 | 21 25 03.51 | +14 25 12.0 | 411 | ||
| C/1991 Y1 | 1992 01 03.38454 | 21 25 03.91 | +14 25 11.0 | 411 | ||
| C/1991 Y1 | 1992 01 03.38527 | 21 25 04.09 | +14 25 09.8 | 411 | ||
| C/1991 Y1 | 1992 01 03.38602 | 21 25 04.28 | +14 25 06.9 | 411 | ||
| C/1991 Y1 | 1992 01 03.38685 | 21 25 04.50 | +14 25 06.1 | 411 | ||
| C/1991 Y1 | 1992 01 05.14774 | 21 32 34.02 | +13 25 52.2 | 657 | ||
| C/1991 Y1 | 1992 01 05.37436 | 21 33 32.82 | +13 17 59.5 | 411 | ||
| C/1991 Y1 | 1992 01 05.37497 | 21 33 32.99 | +13 17 58.6 | 411 | ||
| C/1991 Y1 | 1992 01 05.37552 | 21 33 33.12 | +13 17 57.2 | 411 | ||
| C/1991 Y1 | 1992 01 05.37606 | 21 33 33.24 | +13 17 56.9 | 411 | ||
| C/1991 Y1 | 1992 01 05.37747 | 21 33 33.64 | +13 17 53.4 | 411 |
