| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 1999 10 03.06534 | 05 00 28.76 | +34 43 02.5 | 046 | ||
| C/1999 S4 | 1999 10 03.06648 | 05 00 28.73 | +34 43 02.8 | 046 | ||
| C/1999 S4 | 1999 10 03.06760 | 05 00 28.71 | +34 43 03.2 | 046 | ||
| C/1999 S4 | 1999 10 03.08079 | 05 00 28.12 | +34 43 06.9 | 16.1 | T | 629 |
| C/1999 S4 | 1999 10 03.08262 | 05 00 28.05 | +34 43 07.9 | 16.4 | T | 629 |
| C/1999 S4 | 1999 10 03.08840 | 05 00 27.86 | +34 43 11.6 | 17.0 | T | 629 |
| C/1999 S4 | 1999 10 03.32083 | 05 00 18.44 | +34 44 13.7 | 17.0 | T | 850 |
| C/1999 S4 | 1999 10 03.69567 | 05 00 03.21 | +34 45 59.2 | 16.8 | T | 402 |
| C/1999 S4 | 1999 10 03.69692 | 05 00 03.13 | +34 45 59.7 | 402 | ||
| C/1999 S4 | 1999 10 03.69819 | 05 00 03.06 | +34 46 00.0 | 402 | ||
| C/1999 S4 | 1999 10 03.70000 | 05 00 03.03 | +34 46 01.0 | 16.3 | T | 360 |
| C/1999 S4 | 1999 10 03.70417 | 05 00 02.85 | +34 46 01.9 | 360 | ||
| C/1999 S4 | 1999 10 03.70833 | 05 00 02.70 | +34 46 02.9 | 360 | ||
| C/1999 S4 | 1999 10 04.03621 | 04 59 49.06 | +34 47 34.1 | 958 | ||
| C/1999 S4 | 1999 10 04.05918 | 04 59 48.14 | +34 47 40.9 | 958 | ||
| C/1999 S4 | 1999 10 04.07835 | 04 59 47.16 | +34 47 43.9 | 958 | ||
| C/1999 S4 | 1999 10 04.59267 | 04 59 25.44 | +34 50 09.7 | 16.4 | T | 897 |
| C/1999 S4 | 1999 10 04.67110 | 04 59 22.10 | +34 50 32.0 | 897 | ||
| C/1999 S4 | 1999 10 05.01107 | 04 59 07.33 | +34 52 07.6 | 958 | ||
| C/1999 S4 | 1999 10 05.03099 | 04 59 06.57 | +34 52 13.0 | 958 |