| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1980 Y2 | 1980 10 09.08054 | 19 15 43.44 | +37 50 24.3 | 801 | ||
| C/1980 Y2 | 1980 10 27.97561 | 18 51 11.46 | +35 53 42.9 | 12.0 | T | 801 |
| C/1980 Y2 | 1980 12 27.25382 | 18 49 21.55 | +39 18 34.9 | 489 | ||
| C/1980 Y2 | 1980 12 27.76076 | 18 49 35.75 | +39 25 59.1 | 12.0 | T | 494 |
| C/1980 Y2 | 1980 12 27.77116 | 18 49 36.02 | +39 26 07.9 | 9.5 | T | 993 |
| C/1980 Y2 | 1980 12 27.78993 | 18 49 36.48 | +39 26 23.8 | 494 | ||
| C/1980 Y2 | 1980 12 27.81215 | 18 49 36.97 | +39 26 44.2 | 490 | ||
| C/1980 Y2 | 1980 12 27.83819 | 18 49 38.01 | +39 27 05.9 | 494 | ||
| C/1980 Y2 | 1980 12 27.95390 | 18 49 41.18 | +39 28 51.8 | 801 | ||
| C/1980 Y2 | 1980 12 28.40625 | 18 49 54.33 | +39 35 34.3 | 10.0 | T | 372 |
| C/1980 Y2 | 1980 12 28.42500 | 18 49 54.93 | +39 35 53.8 | 372 | ||
| C/1980 Y2 | 1980 12 28.72986 | 18 50 04.23 | +39 40 28.9 | 9.5 | T | 026 |
| C/1980 Y2 | 1980 12 29.42986 | 18 50 24.62 | +39 51 15.6 | 10.0 | T | 372 |
| C/1980 Y2 | 1980 12 29.72431 | 18 50 33.55 | +39 55 50.0 | 10.2 | T | 046 |
| C/1980 Y2 | 1980 12 29.72917 | 18 50 33.74 | +39 55 54.8 | 046 | ||
| C/1980 Y2 | 1980 12 30.70180 | 18 51 03.27 | +40 11 23.6 | 046 | ||
| C/1980 Y2 | 1980 12 30.70406 | 18 51 03.38 | +40 11 26.4 | 046 | ||
| C/1980 Y2 | 1980 12 30.85625 | 18 51 08.34 | +40 13 57.4 | 9.5 | T | 372 |
| C/1980 Y2 | 1980 12 30.85845 | 18 51 08.72 | +40 13 56.0 | 386 | ||
| C/1980 Y2 | 1980 12 30.86076 | 18 51 08.67 | +40 13 58.6 | 386 |