Comet C/2006 W3 (Christensen)
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2009-09-21 18:55:00
Tool8" Ньютон
Observation's placeПоле
Magnitude10
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')4
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
Magnification50
Field of view (°)1.44
SQM-L in zenithNot set
Light pollution zoneBlue
LmNot set
Comment
Morris Format2009 Sep 21.79 UT: m1=10, Dia.=4', DC=4 ...20.3-cm L (50x) ...Vyacheslav Ivanov (Поле, Russia)