Comet 15P/Finlay
UserCastor 98
User`s nameMarek Biely
Observation's time (UT)2014-12-26 17:16:00
Tool7.6cm, f/4 reflector
Observation's placeBrno (205 m a.s.l.)
Magnitude9.9
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')3.2
Tail's lengthNot set
Condensation3/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture7.6 cm
Focal length (mm)300
Type of toolL - Newtonian reflector
Magnification37.5
Field of view (°)1.6
SQM-L in zenithNot set
Light pollution zone
LmNot set
CommentLow altitude: 10,7 deg. above the horizon. Correction for an atmospheric extinction was not needed. Slight interference of heavy snow clouds and moonlight.
Morris Format2014 Dec 26.72 UT: m1=9.9, Dia.=3.2', DC=3.5 ...7.6-cm L (37.5x) ...Marek Biely (Brno (205 m a.s.l.), Czech Republic)