Comet 45P/Honda-Mrkos-Pajdusakova
UserCastor 98
User`s nameMarek Biely
Observation's time (UT)2017-02-15 21:07:00
Tool20x80 binoculars
Observation's placeBrno (244 m a.s.l.)
Magnitude8.9
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')15
Tail's lengthNot set
Condensation0/
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 zenith
Light pollution zone
Lm
CommentDifficult, extremely diffuse comet.
Morris Format2017 Feb 15.88 UT: m1=8.9, Dia.=15', DC=0.5 ...8-cm B (20x) ...Marek Biely (Brno (244 m a.s.l.), Czech Republic)