| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 2000 07 27.87425 | 11 39 30.03 | +27 03 02.8 | 7.8 | T | 620 |
| C/1999 S4 | 2000 07 27.87920 | 11 39 32.95 | +27 01 44.6 | 7.8 | T | 620 |
| C/1999 S4 | 2000 07 27.88167 | 11 39 34.45 | +27 01 05.4 | 7.8 | T | 620 |
| C/1999 S4 | 2000 07 28.85649 | 11 48 15.93 | +22 56 09.2 | 7.5 | T | 620 |
| C/1999 S4 | 2000 07 28.85928 | 11 48 17.29 | +22 55 29.0 | 7.4 | T | 620 |
| C/1999 S4 | 2000 07 28.86209 | 11 48 18.70 | +22 54 48.7 | 7.4 | T | 620 |
| C/1999 S4 | 2000 07 28.86349 | 11 48 19.35 | +22 54 28.6 | 7.4 | T | 620 |
| C/1999 S4 | 2000 07 29.45572 | 11 52 46.15 | +20 37 02.3 | 349 | ||
| C/1999 S4 | 2000 07 29.45714 | 11 52 47.49 | +20 36 43.7 | 349 | ||
| C/1999 S4 | 2000 07 29.45801 | 11 52 48.18 | +20 36 32.4 | 349 | ||
| C/1999 S4 | 2000 07 29.85179 | 11 55 38.25 | +19 10 20.0 | 7.8 | T | 620 |
| C/1999 S4 | 2000 07 29.85272 | 11 55 38.56 | +19 10 07.2 | 7.9 | T | 620 |
| C/1999 S4 | 2000 07 29.85456 | 11 55 39.14 | +19 09 43.3 | 7.9 | T | 620 |
| C/1999 S4 | 2000 07 29.85641 | 11 55 39.85 | +19 09 19.3 | 7.9 | T | 620 |
| C/1999 S4 | 2000 07 29.85734 | 11 55 40.15 | +19 09 07.5 | 7.9 | T | 620 |
| C/1999 S4 | 2000 07 30.85308 | 12 01 50.65 | +15 46 49.5 | 7.9 | T | 620 |
| C/1999 S4 | 2000 07 30.85579 | 12 01 51.47 | +15 46 17.2 | 8.1 | T | 620 |
| C/1999 S4 | 2000 07 30.85668 | 12 01 51.77 | +15 46 06.5 | 8.0 | T | 620 |
| C/1999 S4 | 2000 07 30.85848 | 12 01 52.34 | +15 45 46.5 | 8.0 | T | 620 |
| C/1999 S4 | 2000 07 31.84738 | 12 06 59.86 | +12 46 38.2 | 8.6 | T | 620 |