CometC/2013 US10 (Catalina)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2015-12-16 02:44
Toolмонокуляр 20x60
Observation's place5
Magnitude6.3
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')8.5
Tail's lengthNot set
Condensation6
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
Comment
Morris Format2015 Dec 16.11 UT: m1=6.3, Dia.=8.5', DC=6 ...6-cm B (20x) ...Alexsandr Morozov (5, )