| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 N4 | 1998 08 27.20426 | 20 40 49.07 | -03 31 49.4 | 18.6 | T | 704 |
| C/1999 N4 | 1998 08 27.22187 | 20 40 48.22 | -03 31 53.7 | 18.6 | T | 704 |
| C/1999 N4 | 1998 08 27.23933 | 20 40 47.25 | -03 31 54.7 | 19.5 | T | 704 |
| C/1999 N4 | 1998 08 27.25693 | 20 40 46.34 | -03 32 00.1 | 19.3 | T | 704 |
| C/1999 N4 | 1998 08 27.27447 | 20 40 45.13 | -03 31 59.9 | 19.3 | T | 704 |
| C/1999 N4 | 1999 07 12.25443 | 19 13 44.43 | +01 07 42.1 | 18.2 | N | 704 |
| C/1999 N4 | 1999 07 12.26673 | 19 13 43.63 | +01 07 43.3 | 18.3 | N | 704 |
| C/1999 N4 | 1999 07 12.27904 | 19 13 42.69 | +01 07 42.3 | 18.2 | N | 704 |
| C/1999 N4 | 1999 07 12.29134 | 19 13 41.99 | +01 07 39.3 | 19.1 | N | 704 |
| C/1999 N4 | 1999 07 12.30365 | 19 13 40.92 | +01 07 41.0 | 18.4 | N | 704 |
| C/1999 N4 | 1999 07 13.23867 | 19 12 33.53 | +01 06 49.7 | 18.5 | N | 704 |
| C/1999 N4 | 1999 07 13.25123 | 19 12 32.55 | +01 06 48.2 | 18.5 | N | 704 |
| C/1999 N4 | 1999 07 13.27622 | 19 12 30.73 | +01 06 47.4 | 18.4 | N | 704 |
| C/1999 N4 | 1999 07 13.84985 | 19 11 49.40 | +01 06 13.7 | 557 | ||
| C/1999 N4 | 1999 07 13.85150 | 19 11 49.33 | +01 06 13.7 | 557 | ||
| C/1999 N4 | 1999 07 13.85971 | 19 11 48.66 | +01 06 13.1 | 557 | ||
| C/1999 N4 | 1999 07 14.05127 | 19 11 34.78 | +01 06 01.1 | 557 | ||
| C/1999 N4 | 1999 07 14.30371 | 19 11 16.66 | +01 05 45.5 | 18.5 | N | 704 |
| C/1999 N4 | 1999 07 14.31627 | 19 11 15.73 | +01 05 45.8 | 18.4 | N | 704 |
| C/1999 N4 | 1999 07 14.32888 | 19 11 14.77 | +01 05 44.5 | 18.3 | N | 704 |
