Comet46P/Wirtanen
UserJerzy Bohusz
User`s nameJerzy Bohusz
Observation's time (UT)2019-01-03 22:33:00
ToolTNAk 250 mm
Observation's placeMyślin
Magnitude5.6
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')24
Tail's lengthNot set
Condensation3/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25 cm
Focal length (mm)1175
Type of toolL - Newtonian reflector
Magnification37.9
Field of view (°)2.16
SQM-L in zenith
Light pollution zone
Lm
Comment
Morris Format2019 Jan 3.94 UT: m1=5.6, Dia.=24', DC=3.5 ...25-cm L (37.9x) ...Jerzy Bohusz (Myślin, Poland)