| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 2000 01 03.10061 | 02 11 14.54 | +32 00 25.8 | 15.5 | T | 704 |
| C/1999 S4 | 2000 01 03.11509 | 02 11 13.01 | +32 00 17.3 | 17.7 | T | 704 |
| C/1999 S4 | 2000 01 03.11572 | 02 11 13.03 | +32 00 16.1 | 13.9 | T | 704 |
| C/1999 S4 | 2000 01 03.11583 | 02 11 13.04 | +32 00 16.2 | 15.5 | T | 704 |
| C/1999 S4 | 2000 01 03.13031 | 02 11 10.94 | +32 00 06.0 | 16.5 | T | 704 |
| C/1999 S4 | 2000 01 03.13092 | 02 11 11.54 | +32 00 06.2 | 13.7 | T | 704 |
| C/1999 S4 | 2000 01 03.13102 | 02 11 11.44 | +32 00 06.5 | 15.1 | T | 704 |
| C/1999 S4 | 2000 01 03.13135 | 02 11 11.35 | +32 00 06.4 | 14.1 | T | 734 |
| C/1999 S4 | 2000 01 03.13723 | 02 11 10.66 | +32 00 02.5 | 13.9 | T | 734 |
| C/1999 S4 | 2000 01 03.14032 | 02 11 10.43 | +32 00 00.7 | 13.9 | T | 734 |
| C/1999 S4 | 2000 01 03.15948 | 02 11 08.60 | +31 59 50.0 | 15.7 | T | 670 |
| C/1999 S4 | 2000 01 03.16140 | 02 11 08.36 | +31 59 48.3 | 670 | ||
| C/1999 S4 | 2000 01 03.16406 | 02 11 08.18 | +31 59 47.0 | 15.1 | T | 676 |
| C/1999 S4 | 2000 01 03.17097 | 02 11 07.45 | +31 59 43.0 | 670 | ||
| C/1999 S4 | 2000 01 03.19043 | 02 11 05.47 | +31 59 31.2 | 670 | ||
| C/1999 S4 | 2000 01 03.22741 | 02 11 01.83 | +31 59 09.1 | 670 | ||
| C/1999 S4 | 2000 01 03.25234 | 02 10 59.53 | +31 58 54.6 | 15.5 | T | 676 |
| C/1999 S4 | 2000 01 03.41966 | 02 10 43.38 | +31 57 14.5 | 411 | ||
| C/1999 S4 | 2000 01 03.42219 | 02 10 43.20 | +31 57 13.8 | 900 | ||
| C/1999 S4 | 2000 01 03.42637 | 02 10 42.72 | +31 57 10.6 | 411 |