Comet17P/Holmes
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2007-11-10 19:55:00
Tool30мм искатель
Observation's placeСаратов
Magnitude3
Comparison stars sourceYG - Yale Bright Star Catalogue
MethodS - Sidgwick`s method
Coma diameter(')30
Tail's lengthNot set
Condensation5
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 Format2007 Nov 10.83 UT: m1=3, Dia.=30', DC=5 ...3-cm R (7.5x) ...Vyacheslav Ivanov (Саратов, Russia)