| Comet | 21P/Giacobini-Zinner |
|---|---|
| User | LIN01 |
| User`s name | |
| Observation's time (UT) | 1985-08-21 00:43:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 8.5 |
| Comparison stars source | |
| Method | - |
| Coma diameter(') | 3.4 |
| Tail's length | 0.1° |
| Condensation | 5 |
| Positional angle of tail | 285 |
| Bortl's scale | Not set |
| Aperture | 14 cm |
| Focal length (mm) | 0 |
| Type of tool | S - Schmidt-Newtonian telescope |
| Magnification | 25 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 1985 Aug 21.03 UT: m1=8.5, Dia.=3.4', DC=5, Tail: 0.1 deg, in PA 285 deg ...14-cm (25x) ... (, ) |