| Comet | 23P/Brorsen-Metcalf |
|---|---|
| User | HAS02 |
| User`s name | Werner Hasubick |
| Observation's time (UT) | 1989-09-01 02:38:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 5.7 |
| Comparison stars source | |
| Method | B - Bobrovnikoff`s method |
| Coma diameter(') | 3.6 |
| Tail's length | 1.6° |
| Condensation | 6 |
| Positional angle of tail | 305 |
| 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 | 1989 Sep 1.11 UT: m1=5.7, Dia.=3.6', DC=6, Tail: 1.6 deg, in PA 305 deg ...10-cm (14x) ...Werner Hasubick (, ) |
