Comet C/2006 W3 (Christensen)
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2009-07-22 20:20:00
Tool50мм искатель
Observation's placeПоле
Magnitude8
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')7
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture5 cm
Focal length (mm)250
Type of toolR - Refractor
Magnification12.5
Field of view (°)5.76
SQM-L in zenithNot set
Light pollution zoneBlue
LmNot set
Comment
Morris Format2009 Jul 22.85 UT: m1=8, Dia.=7', DC=4 ...5-cm R (12.5x) ...Vyacheslav Ivanov (Поле, Russia)