CometC/2015 V2 (Johnson)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2017-03-20 21:20
Toolтелескоп SW 130650 eq2
Observation's placeSukhinichi
Magnitude9.3
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')3
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 Mar 20.89 UT: m1=9.3, Dia.=3', DC=3 ...13-cm L (52x) ...Alexsandr Morozov (Sukhinichi, Russia)