Comet 22P/Kopff
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2009-08-17 21:21:00
Tool275мм Доб
Observation's placeПоле
Magnitude11
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')2
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture27.5 cm
Focal length (mm)1275
Type of toolL - Newtonian reflector
Magnification51
Field of view (°)0.98
SQM-L in zenithNot set
Light pollution zoneBlue
LmNot set
Comment
Morris Format2009 Aug 17.89 UT: m1=11, Dia.=2', DC=2 ...27.5-cm L (51x) ...Vyacheslav Ivanov (Поле, Russia)