CometC/2014 Q2 (Lovejoy)
UserCastor 98
User`s nameMarek Biely
Observation's time (UT)2014-12-29 21:07:00
Tool20x80 binoculars
Observation's placeBrno (244 m a.s.l.)
Magnitude5.2
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')12
Tail's lengthNot set
Condensation4
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
CommentLow altitude: 16,2 deg. above the horizon. Easy to find even without a finding chart. Coma is green, large and moderately condensed. Corrected for an atmospheric extinction according to winter ICQ extinction table. Slight interference of moonlight.
Morris Format2014 Dec 29.88 UT: m1=5.2, Dia.=12', DC=4 ...8-cm B (20x) ...Marek Biely (Brno (244 m a.s.l.), Czech Republic)