CometC/2013 US10 (Catalina)
UserJerzy Bohusz
User`s nameJerzy Bohusz
Observation's time (UT)2015-12-30 02:24:00
ToolB 60x9
Observation's placeMyślin
Magnitude6.7
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')6.5
Tail's lengthNot set
Condensationd5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture6 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification9
Field of view (°)5
SQM-L in zenith
Light pollution zone
Lm
CommentMoon light
Morris Format2015 Dec 30.1 UT: m1=6.7, Dia.=6.5', DC=5 ...6-cm B (9x) ...Jerzy Bohusz (Myślin, Poland)