| Comet | 21P/Giacobini-Zinner |
|---|---|
| User | comethunter |
| User`s name | Maik Meyer |
| Observation's time (UT) | 1998-10-16 18:00:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 9.4 |
| Comparison stars source | |
| Method | M - Morris`s method |
| Coma diameter(') | 2.7 |
| Tail's length | Not set |
| Condensation | 3 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 25.4 cm |
| Focal length (mm) | 1270 |
| Type of tool | L - Newtonian reflector |
| Magnification | 65 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 1998 Oct 16.75 UT: m1=9.4, Dia.=2.7', DC=3 ...25.4-cm (65x) ...Maik Meyer (, ) |
