CometC/2012 S1 (ISON)
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2013-10-12 23:31:00
Tool10"SW на экваториале с часовиком
Observation's placeПоле
Magnitude11
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')2
Tail's length0.08°
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4 cm
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification48
Field of view (°)1.04
SQM-L in zenithNot set
Light pollution zoneBlue
Lm6.8
Comment
Morris Format2013 Oct 12.98 UT: m1=11, Dia.=2', DC=3, Tail: 0.08 deg ...25.4-cm L (48x) ...Vyacheslav Ivanov (Поле, Russia)