| Comet | 21P/Giacobini-Zinner |
|---|---|
| User | ASem |
| User`s name | Andrey Semenyuta |
| Observation's time (UT) | 1998-11-19 14:40 |
| Tool | мшр-60 |
| Observation's place | Pavlodar |
| Magnitude | 9.05 |
| Comparison stars source | YG - Yale Bright Star Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 3.5 |
| Tail's length | Not set |
| Condensation | 2 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 6 cm |
| Focal length (mm) | 600 |
| Type of tool | R - Refractor |
| Magnification | 30 |
| Field of view (°) | 1.5 |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 1998 Nov 19.61 UT: m1=9.05, Dia.=3.5', DC=2 ...6-cm R (30x) ...Andrey Semenyuta (Pavlodar, Kazakhstan) |
