| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 1999 12 30.97938 | 02 16 29.02 | +32 31 18.6 | 046 | ||
| C/1999 S4 | 1999 12 30.98245 | 02 16 28.72 | +32 31 16.8 | 046 | ||
| C/1999 S4 | 1999 12 31.39804 | 02 15 45.78 | +32 27 11.3 | 14.9 | T | 897 |
| C/1999 S4 | 1999 12 31.40915 | 02 15 44.67 | +32 27 05.1 | 897 | ||
| C/1999 S4 | 1999 12 31.80625 | 02 15 03.59 | +32 23 07.7 | 15.4 | T | 461 |
| C/1999 S4 | 1999 12 31.80909 | 02 15 03.28 | +32 23 06.1 | 461 | ||
| C/1999 S4 | 1999 12 31.81112 | 02 15 03.06 | +32 23 04.8 | 461 | ||
| C/1999 S4 | 2000 01 01.40690 | 02 14 02.54 | +32 17 10.2 | 411 | ||
| C/1999 S4 | 2000 01 01.41911 | 02 14 01.28 | +32 17 03.0 | 411 | ||
| C/1999 S4 | 2000 01 01.42659 | 02 14 00.48 | +32 16 59.0 | 411 | ||
| C/1999 S4 | 2000 01 02.19667 | 02 12 42.92 | +32 09 20.2 | 17.0 | T | 704 |
| C/1999 S4 | 2000 01 02.22287 | 02 12 40.42 | +32 09 05.7 | 16.7 | T | 704 |
| C/1999 S4 | 2000 01 02.73856 | 02 11 49.66 | +32 03 58.8 | 046 | ||
| C/1999 S4 | 2000 01 02.73987 | 02 11 49.52 | +32 03 58.0 | 046 | ||
| C/1999 S4 | 2000 01 02.74090 | 02 11 49.43 | +32 03 57.5 | 046 | ||
| C/1999 S4 | 2000 01 02.74216 | 02 11 49.30 | +32 03 56.8 | 046 | ||
| C/1999 S4 | 2000 01 03.07017 | 02 11 17.34 | +32 00 43.9 | 17.2 | T | 704 |
| C/1999 S4 | 2000 01 03.08536 | 02 11 16.03 | +32 00 34.9 | 16.1 | T | 704 |
| C/1999 S4 | 2000 01 03.09989 | 02 11 14.62 | +32 00 26.0 | 16.5 | T | 704 |
| C/1999 S4 | 2000 01 03.10051 | 02 11 14.55 | +32 00 25.4 | 14.1 | T | 704 |