| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 Y1 | 2001 01 26.08108 | 23 54 01.54 | +06 12 59.9 | 13.3 | T | 699 |
| C/1999 Y1 | 2001 01 26.09232 | 23 54 01.75 | +06 12 53.0 | 699 | ||
| C/1999 Y1 | 2001 01 26.10357 | 23 54 01.98 | +06 12 46.6 | 699 | ||
| C/1999 Y1 | 2001 01 26.11464 | 23 54 02.19 | +06 12 40.5 | 699 | ||
| C/1999 Y1 | 2001 02 03.38972 | 23 57 02.74 | +04 57 14.4 | 13.5 | T | 349 |
| C/1999 Y1 | 2001 02 03.39243 | 23 57 02.79 | +04 57 13.1 | 349 | ||
| C/1999 Y1 | 2001 02 03.39984 | 23 57 02.97 | +04 57 09.2 | 349 | ||
| C/1999 Y1 | 2001 02 03.40130 | 23 57 03.01 | +04 57 08.5 | 349 | ||
| C/1999 Y1 | 2001 02 17.38969 | 00 03 24.73 | +03 12 31.8 | 13.7 | T | 349 |
| C/1999 Y1 | 2001 02 17.39119 | 00 03 24.73 | +03 12 31.7 | 349 | ||
| C/1999 Y1 | 2001 02 17.39264 | 00 03 24.78 | +03 12 31.3 | 349 | ||
| C/1999 Y1 | 2001 02 21.75403 | 00 05 39.16 | +02 44 25.5 | 13.4 | T | 206 |
| C/1999 Y1 | 2001 05 31.76267 | 00 58 19.62 | -08 30 13.6 | 349 | ||
| C/1999 Y1 | 2001 05 31.76534 | 00 58 19.64 | -08 30 15.9 | 349 | ||
| C/1999 Y1 | 2001 05 31.76669 | 00 58 19.67 | -08 30 15.5 | 13.4 | T | 349 |
| C/1999 Y1 | 2001 06 02.76211 | 00 58 54.47 | -08 55 19.6 | 897 | ||
| C/1999 Y1 | 2001 06 02.76383 | 00 58 54.54 | -08 55 19.4 | 14.0 | T | 897 |
| C/1999 Y1 | 2001 06 02.76569 | 00 58 54.50 | -08 55 22.4 | 349 | ||
| C/1999 Y1 | 2001 06 02.76640 | 00 58 54.52 | -08 55 20.6 | 897 | ||
| C/1999 Y1 | 2001 06 02.76670 | 00 58 54.48 | -08 55 22.1 | 13.3 | T | 349 |
