Comet | 21P/Giacobini-Zinner |
---|---|
User | Alexsandr Morozov |
User`s name | Alexsandr Morozov |
Observation's time (UT) | 2018-08-16 20:58 |
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(') | 6 |
Tail's length | 10' |
Condensation | 6 |
Positional angle of tail | 255 |
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 | 6.63 |
Comment | |
Morris Format | 2018 Aug 16.87 UT: m1=8.0, Dia.=6', DC=6, Tail: 10 arcmin, in PA 255 deg ...25.4-cm L (48x) ...Alexsandr Morozov (Sukhinichi, Russia) |