Comet C/2009 R1 (McNaught)
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2010-06-12 21:07:00
Tool8" Ньютон
Observation's placeПоле
Magnitude5
Comparison stars sourceYG - Yale Bright Star Catalogue
MethodS - Sidgwick`s method
Coma diameter(')3
Tail's length0.17°
Condensation8
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 zoneGreen
LmNot set
Comment
Morris Format2010 Jun 12.88 UT: m1=5, Dia.=3', DC=8, Tail: 0.17 deg ...20.3-cm L (50x) ...Vyacheslav Ivanov (Поле, Russia)