Comet | C/2015 V2 (Johnson) |
---|---|
User | Dmitry |
User`s name | Dmitriy Bulgakov |
Observation's time (UT) | 2017-03-30 20:25 |
Tool | Binoculars 15x70 |
Observation's place | Мистолово (Mistola Hills) |
Magnitude | 8.8 |
Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
Method | S - Sidgwick`s method |
Coma diameter(') | 8 |
Tail's length | Not set |
Condensation | 2 |
Positional angle of tail | Not set |
Bortl's scale | 5 |
Aperture | 7 cm |
Focal length (mm) | Not set |
Type of tool | B - Binoculars |
Magnification | 15 |
Field of view (°) | 4.4 |
SQM-L in zenith | |
Light pollution zone | Yellow |
Lm | |
Comment | |
Morris Format | 2017 Mar 30.85 UT: m1=8.8, Dia.=8', DC=2 ...7-cm B (15x) ...Dmitriy Bulgakov (Мистолово (Mistola Hills), ) |