| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1980 Y2 | 1981 04 08.92743 | 08 03 34.56 | +59 28 17.7 | 056 | ||
| C/1980 Y2 | 1981 04 09.06250 | 08 03 42.30 | +59 20 39.4 | 026 | ||
| C/1980 Y2 | 1981 04 09.93478 | 08 04 32.88 | +58 32 12.0 | 491 | ||
| C/1980 Y2 | 1981 04 11.83226 | 08 06 22.70 | +56 48 48.2 | 084 | ||
| C/1980 Y2 | 1981 04 11.94479 | 08 06 29.07 | +56 42 44.9 | 056 | ||
| C/1980 Y2 | 1981 04 11.96285 | 08 06 30.04 | +56 41 45.5 | 056 | ||
| C/1980 Y2 | 1981 04 12.87326 | 08 07 22.42 | +55 53 23.3 | 056 | ||
| C/1980 Y2 | 1981 04 12.88993 | 08 07 23.25 | +55 52 31.8 | 056 | ||
| C/1980 Y2 | 1981 04 21.84663 | 08 15 54.97 | +48 33 23.6 | 022 | ||
| C/1980 Y2 | 1981 04 21.86186 | 08 15 56.31 | +48 32 43.2 | 022 | ||
| C/1980 Y2 | 1981 04 22.89809 | 08 16 55.19 | +47 46 03.5 | 084 | ||
| C/1980 Y2 | 1981 04 22.91472 | 08 16 55.99 | +47 45 18.6 | 084 | ||
| C/1980 Y2 | 1981 04 24.81608 | 08 18 44.35 | +46 22 01.4 | 084 | ||
| C/1980 Y2 | 1981 04 25.17361 | 08 19 04.50 | +46 06 41.5 | 687 | ||
| C/1980 Y2 | 1981 04 27.85484 | 08 21 36.68 | +44 14 31.8 | 022 | ||
| C/1980 Y2 | 1981 04 27.87977 | 08 21 38.20 | +44 13 29.6 | 022 | ||
| C/1980 Y2 | 1981 04 28.51944 | 08 22 14.36 | +43 47 29.7 | 10.0 | T | 394 |
| C/1980 Y2 | 1981 04 28.52986 | 08 22 14.76 | +43 47 03.8 | 394 | ||
| C/1980 Y2 | 1981 04 28.84656 | 08 22 32.78 | +43 34 19.2 | 022 | ||
| C/1980 Y2 | 1981 04 28.86595 | 08 22 33.55 | +43 33 33.9 | 022 |