Comet C/2009 F6 (Yi-SWAN)
Usercer01
User`s nameJakub Černý
Observation's time (UT)2009-04-13 20:38:00
ToolNot set
Observation's place
Magnitude8
Comparison stars source
MethodM - Morris`s method
Coma diameter(')7
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture10 cm
Focal length (mm)0
Type of toolB - Binoculars
Magnification25
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2009 Apr 13.86 UT: m1=8, Dia.=7', DC=5 ...10-cm (25x) ...Jakub Černý (, )