CometC/2015 V2 (Johnson)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2017-04-17 18:45
Toolтелескоп SW 130650 eq2
Observation's placeSukhinichi
Magnitude9.0
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')3.5
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture13 cm
Focal length (mm)650
Type of toolL - Newtonian reflector
Magnification65
Field of view (°)0.77
SQM-L in zenith
Light pollution zoneGreen
Lm
Comment
Morris Format2017 Apr 17.78 UT: m1=9.0, Dia.=3.5', DC=5 ...13-cm L (65x) ...Alexsandr Morozov (Sukhinichi, Russia)