Comet17P/Holmes
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2007-11-07 17:02:00
Tool30мм искатель
Observation's placeСаратов
Magnitude3
Comparison stars sourceYG - Yale Bright Star Catalogue
MethodS - Sidgwick`s method
Coma diameter(')25
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture3 cm
Focal length (mm)Not set
Type of toolR - Refractor
Magnification6
Field of view (°)7
SQM-L in zenithNot set
Light pollution zoneOrange
LmNot set
Comment
Morris Format2007 Nov 7.71 UT: m1=3, Dia.=25', DC=5 ...3-cm R (6x) ...Vyacheslav Ivanov (Саратов, Russia)