Observation's detail view

Comet 41P/Tuttle-Giacobini-Kresak
UserCastor 98
User`s name
Observation's time (UT)2017-05-18 21:53:00
Tool20x80 binoculars
Observation's placeBrno (244 m a.s.l.)
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Magnitude8.7
Coma diameter(')8
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture8
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification20
Field of view (°)2.5
SQM-L in zenith
Light pollution zone
Lm
CommentMuch fainter than before and very diffuse.
Morris Format2017 May 18.91 UT: m1=8.7, Dia.=8', DC=2 ...8-cm B (20x) ...Marek Biely (Brno (244 m a.s.l.), Czech Republic)