CometC/2013 R1 (Lovejoy)
Userantares48
User`s nameP. Jordanov
Observation's time (UT)2013-11-30 04:00
ToolBinocular 10x50
Observation's placeDimitrovgrad-Dlygnevo
Magnitude5.5
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodB - Bobrovnikoff`s method
Coma diameter(')4
Tail's length
Condensation2
Positional angle of tailNot set
Bortl's scale5
Aperture5 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification10
Field of view (°)5.5
SQM-L in zenith
Light pollution zoneYellow
Lm
Comment
Morris Format2013 Nov 30.17 UT: m1=5.5, Dia.=4', DC=2, Tail: 2 deg ...5-cm B (10x) ...P. Jordanov (Dimitrovgrad-Dlygnevo, Bulgaria)