| Comet | 21P/Giacobini-Zinner |
|---|---|
| User | Artom |
| User`s name | Artyom Novichonok |
| Observation's time (UT) | 2018-08-10 22:04:00 |
| Tool | SW 8'' |
| Observation's place | Il'inskiy |
| Magnitude | 8.4 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | M - Morris`s method |
| Coma diameter(') | 4.3 |
| Tail's length | 5' |
| Condensation | s6 |
| Positional angle of tail | 255 |
| Bortl's scale | Not set |
| Aperture | 20 cm |
| Focal length (mm) | 1000 |
| Type of tool | L - Newtonian reflector |
| Magnification | 31.3 |
| Field of view (°) | 0 |
| SQM-L in zenith | 20.4 |
| Light pollution zone | Blue |
| Lm | |
| Comment | 19 C; bright astronomical twilight (Sun -13.5) |
| Morris Format | 2018 Aug 10.92 UT: m1=8.4, Dia.=4.3', DC=6, Tail: 5 arcmin, in PA 255 deg ...20-cm L (31.3x) ...Artyom Novichonok (Il'inskiy, Russia) |
