| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1990 E1 | 1990 04 13.80764 | 04 48 30.05 | +51 27 53.2 | 046 | ||
| C/1990 E1 | 1990 04 13.82917 | 04 48 41.17 | +51 27 36.3 | 595 | ||
| C/1990 E1 | 1990 04 16.45625 | 05 11 15.54 | +50 40 25.8 | 16.0 | T | 372 |
| C/1990 E1 | 1990 04 17.83264 | 05 22 42.99 | +50 09 53.3 | 046 | ||
| C/1990 E1 | 1990 04 17.83611 | 05 22 44.50 | +50 09 49.1 | 046 | ||
| C/1990 E1 | 1990 04 20.69036 | 05 45 28.94 | +48 55 11.4 | 210 | ||
| C/1990 E1 | 1990 04 23.45075 | 06 06 04.10 | +47 30 28.8 | 13.0 | T | 897 |
| C/1990 E1 | 1990 04 23.49468 | 06 06 23.08 | +47 29 03.1 | 897 | ||
| C/1990 E1 | 1990 04 23.66719 | 06 07 37.62 | +47 23 21.1 | 210 | ||
| C/1990 E1 | 1990 05 15.53125 | 08 03 18.85 | +33 06 55.6 | 17.0 | T | 372 |
| C/1990 E1 | 1990 05 26.48611 | 08 39 51.07 | +26 10 55.2 | 17.0 | T | 372 |
| C/1990 E1 | 1990 05 26.51354 | 08 39 55.96 | +26 09 56.0 | 372 | ||
| C/1990 E1 | 1990 05 28.07238 | 08 44 26.27 | +25 14 33.7 | 801 |