Observation's detail view
Comet | 21P/Giacobini-Zinner |
---|---|
User | antares48 |
User`s name | |
Observation's time (UT) | 2018-08-13 21:10 |
Tool | Bresser 150/750 |
Observation's place | Dimitrovgrad-Brod |
Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
Method | S - Sidgwick`s method |
Magnitude | 7.6 |
Coma diameter(') | 5.5 |
Tail's length | 7 |
Condensation | 6 |
Positional angle of tail | 230 |
Bortl's scale | 5 |
Aperture | 15 |
Focal length (mm) | 750 |
Type of tool | L - Newtonian reflector |
Magnification | 28.8 |
Field of view (°) | 1.74 |
SQM-L in zenith | |
Light pollution zone | Green |
Lm | 6.2 |
Comment | |
Morris Format | 2018 Aug 13.88 UT: m1=7.6, Dia.=5.5', DC=6, Tail: 7 arcmin, in PA 230 deg ...15-cm L (28.8x) ...P. Jordanov (Dimitrovgrad-Brod, Bulgaria) |