| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1980 Y2 | 1981 04 01.72603 | 07 56 30.53 | +66 33 35.5 | 136 | ||
| C/1980 Y2 | 1981 04 02.18264 | 07 56 57.84 | +66 05 26.3 | 687 | ||
| C/1980 Y2 | 1981 04 02.78354 | 07 57 33.81 | +65 28 33.8 | 084 | ||
| C/1980 Y2 | 1981 04 02.81978 | 07 57 35.70 | +65 26 22.5 | 136 | ||
| C/1980 Y2 | 1981 04 03.50000 | 07 58 16.10 | +64 45 04.2 | 8.5 | T | 394 |
| C/1980 Y2 | 1981 04 03.52153 | 07 58 17.59 | +64 43 44.2 | 394 | ||
| C/1980 Y2 | 1981 04 03.89617 | 07 58 39.78 | +64 21 04.3 | 136 | ||
| C/1980 Y2 | 1981 04 03.94527 | 07 58 42.56 | +64 18 08.3 | 491 | ||
| C/1980 Y2 | 1981 04 06.16597 | 08 00 53.76 | +62 06 28.1 | 687 | ||
| C/1980 Y2 | 1981 04 06.86597 | 08 01 34.36 | +61 25 44.4 | 065 | ||
| C/1980 Y2 | 1981 04 06.86887 | 08 01 34.68 | +61 25 35.8 | 065 | ||
| C/1980 Y2 | 1981 04 06.87292 | 08 01 34.96 | +61 25 19.8 | 065 | ||
| C/1980 Y2 | 1981 04 06.89242 | 08 01 36.11 | +61 24 13.2 | 065 | ||
| C/1980 Y2 | 1981 04 06.89549 | 08 01 36.39 | +61 24 03.9 | 065 | ||
| C/1980 Y2 | 1981 04 06.93535 | 08 01 38.28 | +61 21 44.8 | 491 | ||
| C/1980 Y2 | 1981 04 07.06278 | 08 01 45.91 | +61 14 21.8 | 491 | ||
| C/1980 Y2 | 1981 04 07.80660 | 08 02 29.41 | +60 31 43.0 | 056 | ||
| C/1980 Y2 | 1981 04 07.84826 | 08 02 31.93 | +60 29 21.1 | 056 | ||
| C/1980 Y2 | 1981 04 08.46042 | 08 03 07.86 | +59 54 41.5 | 887 | ||
| C/1980 Y2 | 1981 04 08.90868 | 08 03 33.60 | +59 29 20.2 | 056 |