CometC/2014 Q2 (Lovejoy)
UserCastor 98
User`s nameMarek Biely
Observation's time (UT)2014-12-26 20:52:00
Tool20x80 binoculars
Observation's placeBrno (205 m a.s.l.)
Magnitude5.5
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodM - Morris`s method
Coma diameter(')10.5
Tail's lengthNot set
Condensation5
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
CommentVery low altitude: 9,7 deg. above the horizon. Despite that very easily visible. Correction for an atmospheric extinction was not needed. Slight interference of heavy snow clouds.
Morris Format2014 Dec 26.87 UT: m1=5.5, Dia.=10.5', DC=5 ...8-cm B (20x) ...Marek Biely (Brno (205 m a.s.l.), Czech Republic)