Comet17P/Holmes
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2007-10-27 15:36:00
Tool"Мицар"
Observation's placeСаратов
Magnitude2
Comparison stars sourceYG - Yale Bright Star Catalogue
MethodS - Sidgwick`s method
Coma diameter(')3
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture110 cm
Focal length (mm)805.85
Type of toolL - Newtonian reflector
Magnification32.2
Field of view (°)1.55
SQM-L in zenithNot set
Light pollution zoneOrange
LmNot set
Comment
Morris Format2007 Oct 27.65 UT: m1=2, Dia.=3', DC=5 ...110-cm L (32.2x) ...Vyacheslav Ivanov (Саратов, Russia)