| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 N4 | 1999 07 17.87025 | 19 06 59.66 | +01 01 37.4 | 046 | ||
| C/1999 N4 | 1999 07 17.88021 | 19 06 59.20 | +01 01 34.8 | 118 | ||
| C/1999 N4 | 1999 07 17.88302 | 19 06 58.75 | +01 01 36.1 | 046 | ||
| C/1999 N4 | 1999 07 17.88595 | 19 06 58.55 | +01 01 35.2 | 18.1 | T | 118 |
| C/1999 N4 | 1999 07 17.88634 | 19 06 58.52 | +01 01 35.9 | 046 | ||
| C/1999 N4 | 1999 07 17.89741 | 19 06 57.73 | +01 01 34.4 | 118 | ||
| C/1999 N4 | 1999 07 17.91953 | 19 06 56.15 | +01 01 34.6 | 18.5 | T | 106 |
| C/1999 N4 | 1999 07 17.93678 | 19 06 54.90 | +01 01 32.7 | 17.9 | T | 106 |
| C/1999 N4 | 1999 07 17.94723 | 19 06 54.09 | +01 01 31.4 | 18.6 | N | 621 |
| C/1999 N4 | 1999 07 17.95046 | 19 06 53.90 | +01 01 31.1 | 17.7 | T | 106 |
| C/1999 N4 | 1999 07 17.96604 | 19 06 52.72 | +01 01 29.8 | 18.5 | N | 621 |
| C/1999 N4 | 1999 07 17.96973 | 19 06 52.48 | +01 01 29.6 | 18.9 | N | 621 |
| C/1999 N4 | 1999 07 17.99093 | 19 06 51.15 | +01 01 29.9 | 18.4 | N | 859 |
| C/1999 N4 | 1999 07 18.01831 | 19 06 49.21 | +01 01 26.4 | 18.7 | N | 859 |
| C/1999 N4 | 1999 07 18.02648 | 19 06 48.57 | +01 01 26.0 | 18.4 | N | 859 |
| C/1999 N4 | 1999 07 18.06529 | 19 06 45.61 | +01 01 22.0 | 18.7 | N | 621 |
| C/1999 N4 | 1999 07 18.06897 | 19 06 45.32 | +01 01 21.6 | 18.9 | N | 621 |
| C/1999 N4 | 1999 07 18.07266 | 19 06 45.08 | +01 01 21.0 | 18.8 | N | 621 |
| C/1999 N4 | 1999 07 18.07844 | 19 06 44.65 | +01 01 21.1 | 18.3 | N | 621 |
| C/1999 N4 | 1999 07 18.96709 | 19 05 40.86 | +01 00 09.5 | 17.2 | T | 113 |
