CometC/2015 V2 (Johnson)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2017-04-28 19:54
Toolтелескоп SW 130650 eq2
Observation's placeSukhinichi
Magnitude8.4
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')6
Tail's lengthNot set
Condensation3/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture13 cm
Focal length (mm)650
Type of toolL - Newtonian reflector
Magnification52
Field of view (°)0.9
SQM-L in zenith
Light pollution zoneOrange
Lm
Comment
Morris Format2017 Apr 28.83 UT: m1=8.4, Dia.=6', DC=3.5 ...13-cm L (52x) ...Alexsandr Morozov (Sukhinichi, Russia)