CometC/2013 US10 (Catalina)
UserJerzy Bohusz
User`s nameJerzy Bohusz
Observation's time (UT)2016-01-01 04:04:00
ToolNS1 200/f4
Observation's placeMyślin
Magnitude6.5
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')6.0
Tail's length0.6°
Condensationd5
Positional angle of tail303
Bortl's scaleNot set
Aperture20 cm
Focal length (mm)800
Type of toolL - Newtonian reflector
Magnification25.8
Field of view (°)3.18
SQM-L in zenith
Light pollution zone
Lm
Comment
Morris Format2016 Jan 1.17 UT: m1=6.5, Dia.=6.0', DC=5, Tail: 0.6 deg, in PA 303 deg ...20-cm L (25.8x) ...Jerzy Bohusz (Myślin, Poland)