| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 Y1 | 2001 01 06.39578 | 23 50 12.30 | +10 10 27.5 | 349 | ||
| C/1999 Y1 | 2001 01 07.75259 | 23 50 16.95 | +09 50 53.1 | 14.8 | T | 170 |
| C/1999 Y1 | 2001 01 07.76207 | 23 50 17.02 | +09 50 45.0 | 14.7 | T | 170 |
| C/1999 Y1 | 2001 01 09.00191 | 23 50 22.75 | +09 33 25.2 | 15.7 | T | 750 |
| C/1999 Y1 | 2001 01 09.00886 | 23 50 22.80 | +09 33 20.0 | 15.3 | T | 750 |
| C/1999 Y1 | 2001 01 09.01928 | 23 50 22.81 | +09 33 09.7 | 15.6 | T | 750 |
| C/1999 Y1 | 2001 01 09.02275 | 23 50 22.83 | +09 33 07.8 | 15.5 | T | 750 |
| C/1999 Y1 | 2001 01 09.02622 | 23 50 22.85 | +09 33 04.9 | 14.8 | T | 750 |
| C/1999 Y1 | 2001 01 09.02969 | 23 50 22.87 | +09 33 02.8 | 15.8 | T | 750 |
| C/1999 Y1 | 2001 01 09.03316 | 23 50 22.92 | +09 32 59.4 | 16.1 | T | 750 |
| C/1999 Y1 | 2001 01 10.76113 | 23 50 33.75 | +09 09 26.0 | 14.5 | T | 170 |
| C/1999 Y1 | 2001 01 14.43472 | 23 51 05.87 | +08 22 08.4 | 13.6 | T | 347 |
| C/1999 Y1 | 2001 01 14.44094 | 23 51 05.88 | +08 22 03.1 | 13.3 | T | 347 |
| C/1999 Y1 | 2001 01 14.44547 | 23 51 05.92 | +08 21 59.7 | 13.3 | T | 347 |
| C/1999 Y1 | 2001 01 15.44346 | 23 51 16.78 | +08 09 43.7 | 13.7 | T | 347 |
| C/1999 Y1 | 2001 01 15.44657 | 23 51 16.83 | +08 09 41.0 | 347 | ||
| C/1999 Y1 | 2001 01 15.45035 | 23 51 16.88 | +08 09 38.5 | 347 | ||
| C/1999 Y1 | 2001 01 21.43487 | 23 52 39.14 | +07 00 58.8 | 347 | ||
| C/1999 Y1 | 2001 01 21.43759 | 23 52 39.18 | +07 00 56.9 | 347 | ||
| C/1999 Y1 | 2001 01 21.44292 | 23 52 39.26 | +07 00 53.5 | 347 |
