CometC/2013 US10 (Catalina)
Userseiichi
User`s nameSeiichi Yoshida
Observation's time (UT)2016-01-09 18:57:00
ToolNot set
Observation's place
Magnitude6.4
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')17
Tail's lengthNot set
Condensation6
Positional angle of tailNot set
Bortl's scaleNot set
Aperture7 cm
Focal length (mm)0
Type of toolR - Refractor
Magnification10
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2016 Jan 9.79 UT: m1=6.4, Dia.=17', DC=6 ...7-cm (10x) ...Seiichi Yoshida (, )