Comet C/2002 Y1 (Juels-Holvorcem)
Userslava03
User`s nameVyacheslav Ivanov
Observation's time (UT)2003-02-21 23:36:00
Tool"Мицар"
Observation's placeСаратов
Magnitude8
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')7
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture110 cm
Focal length (mm)805.85
Type of toolL - Newtonian reflector
Magnification32.2
Field of view (°)1.55
SQM-L in zenithNot set
Light pollution zoneOrange
LmNot set
Comment
Morris Format2003 Feb 21.98 UT: m1=8, Dia.=7', DC=3 ...110-cm L (32.2x) ...Vyacheslav Ivanov (Саратов, Russia)