Comet46P/Wirtanen
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2018-11-29 19:00
Toolмонокуляр 20x60
Observation's placeSukhinichi
Magnitude6.8
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')25
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture6 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification20
Field of view (°)3
SQM-L in zenith
Light pollution zoneGreen
Lm6.44
Comment
Morris Format2018 Nov 29.79 UT: m1=6.8, Dia.=25', DC=3 ...6-cm B (20x) ...Alexsandr Morozov (Sukhinichi, Russia)