Observation's detail view
| Comet | 1P/Halley |
|---|---|
| User | Norm |
| User`s name | |
| Observation's time (UT) | 1985-12-04 |
| Tool | Binoculars |
| Observation's place | Ipswich |
| Comparison stars source | AE - Planetary magnitudes from the American Ephemeris and Nautical Almanac |
| Method | M - Morris`s method |
| Magnitude | 4.9 |
| Coma diameter(') | 7 |
| Tail's length | 0.5 |
| Condensation | 5.5 |
| Positional angle of tail | 0 |
| Bortl's scale | Not set |
| Aperture | 5 |
| Focal length (mm) | Not set |
| Type of tool | B - Binoculars |
| Magnification | 10 |
| Field of view (°) | 6 |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 1985 Dec 4 UT: m1=4.9, Dia.=7', DC=5.5, Tail: 0.5 deg, in PA 0 deg ...5-cm B (10x) ...Neil Norman (Ipswich, England) |