CometC/2015 F3 (SWAN)
Userseiichi
User`s nameSeiichi Yoshida
Observation's time (UT)2015-05-01 18:00:00
ToolNot set
Observation's place
Magnitude12.7
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')1.4
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture40 cm
Focal length (mm)1600
Type of toolL - Newtonian reflector
Magnification144
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2015 May 1.75 UT: m1=12.7, Dia.=1.4', DC=2 ...40-cm (144x) ...Seiichi Yoshida (, )