Observation's detail view

Comet 230P/LINEAR
Userseiichi
User`s name
Observation's time (UT)2016-01-09 10:19:00
ToolNot set
Observation's placeNot set
Comparison stars sourceTA - Comparison-star magnitudes from "The Amateur Sky Survey"
MethodS - Sidgwick`s method
Magnitude13.9
Coma diameter(')0.6
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture40
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 Format2016 Jan 9.43 UT: m1=13.9, Dia.=0.6', DC=4 ...40-cm (257x) ...Seiichi Yoshida (, )