CometC/2015 V2 (Johnson)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2017-04-19 20:23
Toolтелескоп SW 130650 eq2
Observation's placeSukhinichi
Magnitude9.1
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')5
Tail's lengthNot set
Condensation4/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture13 cm
Focal length (mm)650
Type of toolL - Newtonian reflector
Magnification26
Field of view (°)1.54
SQM-L in zenith
Light pollution zoneGreen
Lm
Comment
Morris Format2017 Apr 19.85 UT: m1=9.1, Dia.=5', DC=4.5 ...13-cm L (26x) ...Alexsandr Morozov (Sukhinichi, Russia)