| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1990 N1 | 1990 07 19.48073 | 12 21 07.79 | +28 31 50.4 | 372 | ||
| C/1990 N1 | 1990 07 19.49618 | 12 21 05.97 | +28 31 28.5 | 372 | ||
| C/1990 N1 | 1990 07 19.51354 | 12 21 03.87 | +28 31 03.0 | 372 | ||
| C/1990 N1 | 1990 07 19.52257 | 12 21 03.06 | +28 30 48.7 | 9.0 | T | 364 |
| C/1990 N1 | 1990 07 19.55521 | 12 20 59.01 | +28 30 01.8 | 9.0 | T | 394 |
| C/1990 N1 | 1990 07 20.06213 | 12 19 59.83 | +28 17 55.9 | 801 | ||
| C/1990 N1 | 1990 07 20.06694 | 12 19 59.27 | +28 17 49.4 | 801 | ||
| C/1990 N1 | 1990 07 20.25840 | 12 19 37.16 | +28 13 11.5 | 657 | ||
| C/1990 N1 | 1990 07 20.48507 | 12 19 10.98 | +28 07 48.6 | 9.0 | T | 400 |
| C/1990 N1 | 1990 07 20.49826 | 12 19 09.69 | +28 07 32.1 | 400 | ||
| C/1990 N1 | 1990 07 20.52969 | 12 19 05.73 | +28 06 38.8 | 402 | ||
| C/1990 N1 | 1990 07 20.53738 | 12 19 04.55 | +28 06 31.9 | 402 | ||
| C/1990 N1 | 1990 07 20.81771 | 12 18 33.69 | +27 59 52.8 | 095 | ||
| C/1990 N1 | 1990 07 21.37963 | 12 17 30.34 | +27 46 41.2 | 413 | ||
| C/1990 N1 | 1990 07 22.10129 | 12 16 11.32 | +27 29 31.7 | 801 | ||
| C/1990 N1 | 1990 07 23.18385 | 12 14 16.40 | +27 04 09.2 | 675 | ||
| C/1990 N1 | 1990 07 23.50764 | 12 13 42.84 | +26 56 35.8 | 391 | ||
| C/1990 N1 | 1990 07 23.51736 | 12 13 41.89 | +26 56 23.2 | 391 | ||
| C/1990 N1 | 1990 07 23.80694 | 12 13 11.86 | +26 49 36.6 | 095 | ||
| C/1990 N1 | 1990 07 23.82639 | 12 13 09.86 | +26 49 08.7 | 095 |