| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1980 Y2 | 1980 12 30.86386 | 18 51 08.78 | +40 14 01.9 | 10.0 | T | 372 |
| C/1980 Y2 | 1980 12 30.87153 | 18 51 08.81 | +40 14 08.7 | 372 | ||
| C/1980 Y2 | 1980 12 30.95234 | 18 51 10.89 | +40 15 31.5 | 801 | ||
| C/1980 Y2 | 1980 12 31.06597 | 18 51 14.45 | +40 17 21.6 | 688 | ||
| C/1980 Y2 | 1980 12 31.07500 | 18 51 14.66 | +40 17 31.1 | 688 | ||
| C/1980 Y2 | 1980 12 31.70164 | 18 51 34.06 | +40 27 50.0 | 046 | ||
| C/1980 Y2 | 1980 12 31.74792 | 18 51 35.61 | +40 28 33.2 | 026 | ||
| C/1980 Y2 | 1980 12 31.80970 | 18 51 37.67 | +40 29 39.4 | 494 | ||
| C/1980 Y2 | 1981 01 03.85310 | 18 53 15.97 | +41 23 03.3 | 379 | ||
| C/1980 Y2 | 1981 01 03.85680 | 18 53 15.91 | +41 23 04.4 | 386 | ||
| C/1980 Y2 | 1981 01 04.24930 | 18 53 28.84 | +41 30 18.9 | 489 | ||
| C/1980 Y2 | 1981 01 04.77569 | 18 53 45.75 | +41 40 08.1 | 490 | ||
| C/1980 Y2 | 1981 01 04.83229 | 18 53 48.35 | +41 41 12.4 | 9.5 | T | 375 |
| C/1980 Y2 | 1981 01 07.74520 | 18 55 26.96 | +42 38 36.7 | 022 | ||
| C/1980 Y2 | 1981 01 07.75697 | 18 55 27.51 | +42 38 52.3 | 022 | ||
| C/1980 Y2 | 1981 01 08.22194 | 18 55 44.36 | +42 48 28.3 | 020 | ||
| C/1980 Y2 | 1981 01 08.70737 | 18 56 00.67 | +42 58 37.1 | 046 | ||
| C/1980 Y2 | 1981 01 08.71061 | 18 56 00.88 | +42 58 42.0 | 046 | ||
| C/1980 Y2 | 1981 01 08.72480 | 18 56 01.69 | +42 59 03.0 | 022 | ||
| C/1980 Y2 | 1981 01 08.72896 | 18 56 01.42 | +42 59 08.2 | 022 |