Comet C/2006 W3 (Christensen)
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2009-07-22 20:38:00
Tool8" Ньютон
Observation's placeПоле
Magnitude9
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')5
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20.3 cm
Focal length (mm)1000
Type of toolL - Newtonian reflector
Magnification40
Field of view (°)1.25
SQM-L in zenithNot set
Light pollution zoneBlue
LmNot set
Comment
Morris Format2009 Jul 22.86 UT: m1=9, Dia.=5', DC=4 ...20.3-cm L (40x) ...Vyacheslav Ivanov (Поле, Russia)