Observation's detail view

CometC/2012 X1 (LINEAR)
UserCastor 98
User`s name
Observation's time (UT)2014-05-02 01:40:00
Tool20x80 binoculars
Observation's placeBrno (244 m a.s.l.)
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodM - Morris`s method
Magnitude8.5
Coma diameter(')5
Tail's lengthNot set
Condensation4
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 zenithNot set
Light pollution zone
LmNot set
CommentVery low altitude: 7,0 deg. above the horizon. Correction for an atmospheric extinction was not needed. Slight interference of astronomical twilight.
Morris Format2014 May 2.07 UT: m1=8.5, Dia.=5', DC=4 ...8-cm B (20x) ...Marek Biely (Brno (244 m a.s.l.), Czech Republic)