| Comet | 21P/Giacobini-Zinner |
|---|---|
| User | ancv2000 |
| User`s name | Anton Tsvetkov |
| Observation's time (UT) | 2018-09-13 23:20:00 |
| Tool | Yukon |
| Observation's place | Zavolzhye |
| Magnitude | 7.9: |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 3.5 |
| Tail's length | Not set |
| Condensation | 5/ |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 5 cm |
| Focal length (mm) | Not set |
| Type of tool | N - Monocular |
| Magnification | 30 |
| Field of view (°) | 2.3 |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | |
| Comment | |
| Morris Format | 2018 Sep 13.97 UT: m1=7.9:, Dia.=3.5', DC=5.5 ...5-cm N (30x) ...Anton Tsvetkov (Zavolzhye, Russia) |
