Comet 15P/Finlay
UserCastor 98
User`s nameMarek Biely
Observation's time (UT)2015-01-11 17:02:00
Tool20x80 binoculars
Observation's placeBrno (244 m a.s.l.)
Magnitude9.8
Comparison stars sourceAQ - APASS catalog
MethodS - Sidgwick`s method
Coma diameter(')2.8
Tail's lengthNot set
Condensation3/
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
CommentDifficult object.
Morris Format2015 Jan 11.71 UT: m1=9.8, Dia.=2.8', DC=3.5 ...8-cm B (20x) ...Marek Biely (Brno (244 m a.s.l.), Czech Republic)