| Comet | 21P/Giacobini-Zinner |
|---|---|
| User | Alexsandr Morozov |
| User`s name | Alexsandr Morozov |
| Observation's time (UT) | 2018-08-12 19:30 |
| Tool | телескоп SW 10 dob |
| Observation's place | Sukhinichi |
| Magnitude | 8.0 |
| Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
| Method | M - Morris`s method |
| Coma diameter(') | 4 |
| Tail's length | 8' |
| Condensation | 6 |
| Positional angle of tail | 260 |
| Bortl's scale | Not set |
| Aperture | 25.4 cm |
| Focal length (mm) | 1200 |
| Type of tool | L - Newtonian reflector |
| Magnification | 48 |
| Field of view (°) | 0.83 |
| SQM-L in zenith | |
| Light pollution zone | Green |
| Lm | 6.42 |
| Comment | |
| Morris Format | 2018 Aug 12.81 UT: m1=8.0, Dia.=4', DC=6, Tail: 8 arcmin, in PA 260 deg ...25.4-cm L (48x) ...Alexsandr Morozov (Sukhinichi, Russia) |
