Comet 249P/LINEAR
Userseiichi
User`s nameSeiichi Yoshida
Observation's time (UT)2016-01-09 09:21:00
ToolNot set
Observation's place
Magnitude[13.0
Comparison stars sourceTA - Comparison-star magnitudes from "The Amateur Sky Survey"
MethodS - Sidgwick`s method
Coma diameter(')0.4
Tail's lengthNot set
Condensation
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 Format2016 Jan 9.39 UT: m1=[13.0, Dia.=0.4' ...40-cm (257x) ...Seiichi Yoshida (, )