CometC/2008 J1 (Boattini)
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2011-08-10 19:12:00
Tool8" Ньютон
Observation's placeПоле
Magnitude11
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')3
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20.3 cm
Focal length (mm)1000
Type of toolL - Newtonian reflector
Magnification66.7
Field of view (°)0.75
SQM-L in zenithNot set
Light pollution zoneBlue
LmNot set
Comment
Morris Format2011 Aug 10.8 UT: m1=11, Dia.=3', DC=3 ...20.3-cm L (66.7x) ...Vyacheslav Ivanov (Поле, Russia)