CometC/2013 US10 (Catalina)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2015-12-29 01:48
Toolмонокуляр 20x60
Observation's place5
Magnitude6.4
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')10
Tail's lengthNot set
Condensation5/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture6 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification20
Field of view (°)3
SQM-L in zenith
Light pollution zoneGreen
Lm
Commentmoon light
Morris Format2015 Dec 29.08 UT: m1=6.4, Dia.=10', DC=5.5 ...6-cm B (20x) ...Alexsandr Morozov (5, )