CometC/2009 P1 (Garradd)
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2011-08-08 18:45:00
Tool8" Ньютон
Observation's placeСаратов
Magnitude8
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')7
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 zoneOrange
LmNot set
Comment
Morris Format2011 Aug 8.78 UT: m1=8, Dia.=7', DC=5 ...20.3-cm L (50x) ...Vyacheslav Ivanov (Саратов, Russia)