CometC/2014 Q2 (Lovejoy)
UserCastor 98
User`s nameMarek Biely
Observation's time (UT)2015-02-12 21:36:00
Tool20x80 binoculars
Observation's placeBrno (244 m a.s.l.)
Magnitude5.0
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodM - Morris`s method
Coma diameter(')14
Tail's length0.9°
Condensation5/
Positional angle of tail80
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
LmNot set
CommentAlready not visible by the naked eye. Slight interference of star with brightness 7.2 mag inside a coma.
Morris Format2015 Feb 12.9 UT: m1=5.0, Dia.=14', DC=5.5, Tail: 0.9 deg, in PA 80 deg ...8-cm B (20x) ...Marek Biely (Brno (244 m a.s.l.), Czech Republic)