Comet 15P/Finlay
UserCastor 98
User`s nameMarek Biely
Observation's time (UT)2014-12-26 17:02:00
Tool20x80 binoculars
Observation's placeBrno (205 m a.s.l.)
Magnitude9.6
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')2.9
Tail's lengthNot set
Condensation2/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture8 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification20
Field of view (°)2.5
SQM-L in zenithNot set
Light pollution zone
LmNot set
CommentLow altitude: 13,0 deg. above the horizon. Correction for an atmospheric extinction was not needed. Slight interference of heavy snow clouds and moonlight.
Morris Format2014 Dec 26.71 UT: m1=9.6, Dia.=2.9', DC=2.5 ...8-cm B (20x) ...Marek Biely (Brno (205 m a.s.l.), Czech Republic)