| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1990 N1 | 1990 07 24.48455 | 12 12 03.10 | +26 33 54.8 | 9.0 | T | 400 |
| C/1990 N1 | 1990 07 24.48958 | 12 12 02.55 | +26 33 47.0 | 400 | ||
| C/1990 N1 | 1990 07 24.93431 | 12 11 18.43 | +26 23 30.1 | 494 | ||
| C/1990 N1 | 1990 07 25.49861 | 12 10 23.60 | +26 10 33.0 | 10.0 | T | 372 |
| C/1990 N1 | 1990 07 25.50359 | 12 10 23.20 | +26 10 26.0 | 372 | ||
| C/1990 N1 | 1990 07 25.80278 | 12 09 54.34 | +26 03 36.4 | 095 | ||
| C/1990 N1 | 1990 07 25.81250 | 12 09 53.60 | +26 03 22.4 | 095 | ||
| C/1990 N1 | 1990 07 25.92457 | 12 09 42.71 | +26 00 48.0 | 9.5 | T | 503 |
| C/1990 N1 | 1990 07 28.26684 | 12 06 07.32 | +25 07 45.7 | 657 | ||
| C/1990 N1 | 1990 07 30.51354 | 12 02 54.40 | +24 17 58.0 | 372 | ||
| C/1990 N1 | 1990 07 30.92030 | 12 02 21.44 | +24 08 58.2 | 494 | ||
| C/1990 N1 | 1990 08 03.46354 | 11 57 46.15 | +22 52 29.4 | 897 | ||
| C/1990 N1 | 1990 08 03.46580 | 11 57 46.23 | +22 52 25.0 | 897 | ||
| C/1990 N1 | 1990 08 04.44664 | 11 56 34.84 | +22 31 40.4 | 897 | ||
| C/1990 N1 | 1990 08 04.45041 | 11 56 34.28 | +22 31 36.9 | 897 | ||
| C/1990 N1 | 1990 08 04.45376 | 11 56 34.23 | +22 31 30.3 | 897 | ||
| C/1990 N1 | 1990 08 04.45787 | 11 56 34.19 | +22 31 24.5 | 897 | ||
| C/1990 N1 | 1990 10 15.76793 | 10 55 37.61 | -01 44 18.0 | 413 | ||
| C/1990 N1 | 1990 10 15.83872 | 10 55 33.08 | -01 46 13.6 | 6.0 | T | 372 |
| C/1990 N1 | 1990 10 15.84306 | 10 55 32.79 | -01 46 21.8 | 6.0 | T | 372 |