| Comet | C/1989 Y1 (Skorichenko-George) |
|---|---|
| User | HAS02 |
| User`s name | Werner Hasubick |
| Observation's time (UT) | 1990-02-20 18:28:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 8.5 |
| Comparison stars source | |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 3.8 |
| Tail's length | Not set |
| Condensation | |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 10 cm |
| Focal length (mm) | 0 |
| Type of tool | B - Binoculars |
| Magnification | 14 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 1990 Feb 20.77 UT: m1=8.5, Dia.=3.8' ...10-cm (14x) ...Werner Hasubick (, ) |
