| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 S4 | 1999 10 31.93228 | 04 26 49.82 | +36 44 28.6 | 958 | ||
| C/1999 S4 | 1999 10 31.95064 | 04 26 47.95 | +36 44 31.8 | 958 | ||
| C/1999 S4 | 1999 10 31.96638 | 04 26 46.30 | +36 44 35.2 | 958 | ||
| C/1999 S4 | 1999 11 01.05135 | 04 26 37.64 | +36 44 51.3 | 619 | ||
| C/1999 S4 | 1999 11 01.05676 | 04 26 37.05 | +36 44 52.1 | 619 | ||
| C/1999 S4 | 1999 11 01.06608 | 04 26 36.09 | +36 44 53.8 | 619 | ||
| C/1999 S4 | 1999 11 01.09006 | 04 26 33.59 | +36 44 57.7 | 118 | ||
| C/1999 S4 | 1999 11 01.09617 | 04 26 32.96 | +36 44 58.4 | 118 | ||
| C/1999 S4 | 1999 11 01.33333 | 04 26 08.65 | +36 45 39.8 | 16.9 | T | 704 |
| C/1999 S4 | 1999 11 01.34961 | 04 26 06.96 | +36 45 43.1 | 17.0 | T | 704 |
| C/1999 S4 | 1999 11 01.36633 | 04 26 05.18 | +36 45 45.4 | 17.0 | T | 704 |
| C/1999 S4 | 1999 11 01.38378 | 04 26 03.34 | +36 45 48.8 | 17.1 | T | 704 |
| C/1999 S4 | 1999 11 01.40014 | 04 26 01.45 | +36 45 51.6 | 17.0 | T | 704 |
| C/1999 S4 | 1999 11 03.68193 | 04 21 59.93 | +36 52 08.3 | 15.9 | T | 900 |
| C/1999 S4 | 1999 11 03.69457 | 04 21 58.55 | +36 52 10.6 | 900 | ||
| C/1999 S4 | 1999 11 03.87311 | 04 21 39.38 | +36 52 35.9 | 15.4 | T | 049 |
| C/1999 S4 | 1999 11 03.87844 | 04 21 38.80 | +36 52 36.5 | 15.4 | T | 049 |
| C/1999 S4 | 1999 11 03.88436 | 04 21 38.15 | +36 52 37.3 | 15.5 | T | 049 |
| C/1999 S4 | 1999 11 03.96707 | 04 21 28.95 | +36 52 51.9 | 15.3 | T | 113 |
| C/1999 S4 | 1999 11 03.97780 | 04 21 27.77 | +36 52 53.4 | 15.3 | T | 113 |