| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 N4 | 1999 07 22.22563 | 19 01 47.89 | +00 55 15.4 | 18.1 | T | 704 |
| C/1999 N4 | 1999 07 22.23815 | 19 01 47.11 | +00 55 13.7 | 18.8 | T | 704 |
| C/1999 N4 | 1999 07 22.25045 | 19 01 46.26 | +00 55 13.3 | 18.3 | T | 704 |
| C/1999 N4 | 1999 07 22.26290 | 19 01 45.40 | +00 55 11.9 | 18.5 | T | 704 |
| C/1999 N4 | 1999 07 22.68363 | 19 01 15.34 | +00 54 30.4 | 18.0 | T | 402 |
| C/1999 N4 | 1999 07 22.68489 | 19 01 15.23 | +00 54 29.4 | 402 | ||
| C/1999 N4 | 1999 07 22.68615 | 19 01 15.13 | +00 54 28.7 | 402 | ||
| C/1999 N4 | 1999 07 23.23315 | 19 00 36.46 | +00 53 35.5 | 16.9 | T | 848 |
| C/1999 N4 | 1999 07 23.24365 | 19 00 35.74 | +00 53 34.3 | 17.0 | T | 848 |
| C/1999 N4 | 1999 07 23.52466 | 19 00 15.75 | +00 53 05.0 | 17.9 | T | 402 |
| C/1999 N4 | 1999 07 23.52593 | 19 00 15.73 | +00 53 05.0 | 402 | ||
| C/1999 N4 | 1999 07 23.52719 | 19 00 15.65 | +00 53 05.9 | 402 | ||
| C/1999 N4 | 1999 07 25.23642 | 18 58 15.00 | +00 50 04.0 | 17.9 | T | 848 |
| C/1999 N4 | 1999 07 25.24570 | 18 58 14.31 | +00 50 02.5 | 18.0 | T | 848 |
| C/1999 N4 | 1999 07 25.25309 | 18 58 13.74 | +00 50 01.2 | 18.3 | T | 848 |
| C/1999 N4 | 1999 07 30.57138 | 18 52 04.87 | +00 39 21.1 | 17.5 | T | 402 |
| C/1999 N4 | 1999 07 30.57390 | 18 52 04.70 | +00 39 21.0 | 402 | ||
| C/1999 N4 | 1999 07 30.57516 | 18 52 04.64 | +00 39 20.6 | 402 | ||
| C/1999 N4 | 1999 08 02.93212 | 18 48 17.85 | +00 31 42.4 | 621 | ||
| C/1999 N4 | 1999 08 02.93580 | 18 48 17.64 | +00 31 42.0 | 18.4 | N | 621 |
