Comet17P/Holmes
Userseiichi
User`s nameSeiichi Yoshida
Observation's time (UT)2014-09-22 15:50:00
ToolNot set
Observation's place
Magnitude14.3
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')0.6
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture40 cm
Focal length (mm)1600
Type of toolL - Newtonian reflector
Magnification257
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2014 Sep 22.66 UT: m1=14.3, Dia.=0.6', DC=4 ...40-cm (257x) ...Seiichi Yoshida (, )