Comet | C/2015 V2 (Johnson) |
User | Dmitry |
User`s name | |
Observation's time (UT) | 2017-03-29 23:35 |
Tool | Explore Scientific Dob. 10" |
Observation's place | Мистолово (Mistola Hills) |
Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
Method | M - Morris`s method |
Magnitude | 8.6 |
Coma diameter(') | 5 |
Tail's length | Not set |
Condensation | 3.5 |
Positional angle of tail | Not set |
Bortl's scale | 5 |
Aperture | 25 |
Focal length (mm) | 1270 |
Type of tool | L - Newtonian reflector |
Magnification | 52.9 |
Field of view (°) | 1.55 |
SQM-L in zenith | |
Light pollution zone | Yellow |
Lm | |
Comment | |
Morris Format | 2017 Mar 29.98 UT: m1=8.6, Dia.=5', DC=3.5 ...25-cm L (52.9x) ...Dmitriy Bulgakov (Мистолово (Mistola Hills), ) |