Comet C/2007 N3 (Lulin)
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2009-03-21 18:43:00
Tool275мм Доб
Observation's placeСаратов
Magnitude7
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')5
Tail's lengthNot set
Condensation3
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 zoneOrange
LmNot set
Comment
Morris Format2009 Mar 21.78 UT: m1=7, Dia.=5', DC=3 ...27.5-cm L (51x) ...Vyacheslav Ivanov (Саратов, Russia)