| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 N4 | 1999 07 14.34159 | 19 11 13.87 | +01 05 44.7 | 18.4 | N | 704 |
| C/1999 N4 | 1999 07 14.48867 | 19 11 03.35 | +01 05 37.3 | 17.4 | T | 426 |
| C/1999 N4 | 1999 07 14.49311 | 19 11 03.03 | +01 05 36.3 | 17.2 | T | 426 |
| C/1999 N4 | 1999 07 14.49771 | 19 11 02.75 | +01 05 36.4 | 17.2 | T | 426 |
| C/1999 N4 | 1999 07 14.87061 | 19 10 35.78 | +01 05 09.6 | 18.4 | T | 046 |
| C/1999 N4 | 1999 07 14.87701 | 19 10 35.24 | +01 05 10.2 | 17.5 | T | 046 |
| C/1999 N4 | 1999 07 14.87845 | 19 10 35.07 | +01 05 07.9 | 046 | ||
| C/1999 N4 | 1999 07 14.91281 | 19 10 32.79 | +01 05 05.7 | 17.6 | N | 118 |
| C/1999 N4 | 1999 07 14.92693 | 19 10 31.68 | +01 05 07.1 | 118 | ||
| C/1999 N4 | 1999 07 15.17897 | 19 10 13.58 | +01 04 52.5 | 17.9 | N | 734 |
| C/1999 N4 | 1999 07 15.18704 | 19 10 12.95 | +01 04 50.6 | 734 | ||
| C/1999 N4 | 1999 07 15.19478 | 19 10 12.45 | +01 04 50.0 | 17.8 | N | 734 |
| C/1999 N4 | 1999 07 15.49087 | 19 09 51.05 | +01 04 32.0 | 17.2 | N | 426 |
| C/1999 N4 | 1999 07 15.50103 | 19 09 50.31 | +01 04 31.4 | 17.3 | N | 426 |
| C/1999 N4 | 1999 07 15.87569 | 19 09 23.30 | +01 04 03.7 | 17.5 | T | 046 |
| C/1999 N4 | 1999 07 15.89325 | 19 09 22.01 | +01 04 02.9 | 046 | ||
| C/1999 N4 | 1999 07 15.89501 | 19 09 21.89 | +01 04 02.5 | 046 | ||
| C/1999 N4 | 1999 07 15.89725 | 19 09 21.76 | +01 04 02.4 | 046 | ||
| C/1999 N4 | 1999 07 15.90971 | 19 09 21.16 | +01 03 59.7 | 108 | ||
| C/1999 N4 | 1999 07 15.92896 | 19 09 19.59 | +01 03 59.6 | 18.0 | N | 108 |
