Comet | 21P/Giacobini-Zinner |
---|---|
User | Alexsandr Morozov |
User`s name | Alexsandr Morozov |
Observation's time (UT) | 2018-07-06 21:40 |
Tool | телескоп SW 10 dob |
Observation's place | Sukhinichi |
Magnitude | 10.8 |
Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
Method | S - Sidgwick`s method |
Coma diameter(') | 1.5 |
Tail's length | Not set |
Condensation | 4/ |
Positional angle of tail | Not set |
Bortl's scale | Not set |
Aperture | 25.4 cm |
Focal length (mm) | 1200 |
Type of tool | L - Newtonian reflector |
Magnification | 120 |
Field of view (°) | 0.42 |
SQM-L in zenith | |
Light pollution zone | Green |
Lm | |
Comment | |
Morris Format | 2018 Jul 6.9 UT: m1=10.8, Dia.=1.5', DC=4.5 ...25.4-cm L (120x) ...Alexsandr Morozov (Sukhinichi, Russia) |