Comet C/2007 N3 (Lulin)
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2009-02-22 22:22:00
Tool30мм искатель
Observation's placeСаратов
Magnitude5
Comparison stars sourceYG - Yale Bright Star Catalogue
MethodS - Sidgwick`s method
Coma diameter(')20
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture3 cm
Focal length (mm)150
Type of toolR - Refractor
Magnification7.5
Field of view (°)9.6
SQM-L in zenithNot set
Light pollution zoneOrange
LmNot set
Comment
Morris Format2009 Feb 22.93 UT: m1=5, Dia.=20', DC=2 ...3-cm R (7.5x) ...Vyacheslav Ivanov (Саратов, Russia)