CometC/2009 P1 (Garradd)
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2011-08-29 20:24:00
Tool8" Ньютон
Observation's placeПоле
Magnitude7
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')10
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20.3 cm
Focal length (mm)1000
Type of toolL - Newtonian reflector
Magnification50
Field of view (°)1.44
SQM-L in zenithNot set
Light pollution zoneGray
Lm7
Comment
Morris Format2011 Aug 29.85 UT: m1=7, Dia.=10', DC=5 ...20.3-cm L (50x) ...Vyacheslav Ivanov (Поле, Russia)