Comet | 21P/Giacobini-Zinner |
---|---|
User | Artom |
User`s name | Artyom Novichonok |
Observation's time (UT) | 2018-08-17 21:50:00 |
Tool | SW 8'' |
Observation's place | Fedotovo, Karelia |
Magnitude | 8.1 |
Comparison stars source | TK - Tycho-2 Catalogue |
Method | M - Morris`s method |
Coma diameter(') | 6 |
Tail's length | 10' |
Condensation | s5 |
Positional angle of tail | 260 |
Bortl's scale | 2.5 |
Aperture | 20 cm |
Focal length (mm) | 1000 |
Type of tool | L - Newtonian reflector |
Magnification | 31.3 |
Field of view (°) | 0 |
SQM-L in zenith | 20.85 |
Light pollution zone | Gray |
Lm | |
Comment | 16 C; astronomical twilight (Sun -14.1) |
Morris Format | 2018 Aug 17.91 UT: m1=8.1, Dia.=6', DC=5, Tail: 10 arcmin, in PA 260 deg ...20-cm L (31.3x) ...Artyom Novichonok (Fedotovo, Karelia, Russia) |