| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 Y1 | 2000 09 20.63872 | 02 35 54.14 | +49 13 39.1 | 348 | ||
| C/1999 Y1 | 2000 09 21.17442 | 02 34 44.66 | +49 10 17.6 | 642 | ||
| C/1999 Y1 | 2000 09 21.17866 | 02 34 44.24 | +49 10 16.7 | 642 | ||
| C/1999 Y1 | 2000 09 22.16175 | 02 32 34.91 | +49 03 54.1 | 642 | ||
| C/1999 Y1 | 2000 09 22.16708 | 02 32 34.30 | +49 03 51.3 | 642 | ||
| C/1999 Y1 | 2000 09 23.23377 | 02 30 11.46 | +48 56 27.0 | 642 | ||
| C/1999 Y1 | 2000 09 23.23868 | 02 30 10.84 | +48 56 25.2 | 642 | ||
| C/1999 Y1 | 2000 09 23.24186 | 02 30 10.37 | +48 56 23.6 | 642 | ||
| C/1999 Y1 | 2000 09 24.71278 | 02 26 48.97 | +48 45 20.0 | 13.4 | T | 900 |
| C/1999 Y1 | 2000 09 24.72193 | 02 26 47.64 | +48 45 15.8 | 900 | ||
| C/1999 Y1 | 2000 09 24.85242 | 02 26 29.76 | +48 44 12.1 | 970 | ||
| C/1999 Y1 | 2000 09 24.86200 | 02 26 28.43 | +48 44 06.7 | 970 | ||
| C/1999 Y1 | 2000 09 24.86985 | 02 26 27.26 | +48 44 03.4 | 970 | ||
| C/1999 Y1 | 2000 09 24.91892 | 02 26 20.51 | +48 43 39.5 | 970 | ||
| C/1999 Y1 | 2000 09 24.93235 | 02 26 18.68 | +48 43 33.7 | 970 | ||
| C/1999 Y1 | 2000 09 26.10590 | 02 23 33.77 | +48 33 50.8 | 13.6 | T | 106 |
| C/1999 Y1 | 2000 09 26.13016 | 02 23 30.28 | +48 33 38.2 | 13.7 | T | 106 |
| C/1999 Y1 | 2000 09 26.15173 | 02 23 27.16 | +48 33 27.0 | 13.7 | T | 106 |
| C/1999 Y1 | 2000 09 26.22067 | 02 23 17.73 | +48 32 50.6 | 642 | ||
| C/1999 Y1 | 2000 09 26.22287 | 02 23 17.55 | +48 32 49.3 | 642 |
