CometC/2009 P1 (Garradd)
UserASem
User`s nameAndrey Semenyuta
Observation's time (UT)2011-09-12 17:00:00
Toolsw-102
Observation's placePavlodar
Magnitude7.84
Comparison stars sourceYG - Yale Bright Star Catalogue
MethodS - Sidgwick`s method
Coma diameter(')3.5
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture10.2 cm
Focal length (mm)1000
Type of toolR - Refractor
Magnification40
Field of view (°)1.3
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2011 Sep 12.71 UT: m1=7.84, Dia.=3.5', DC=4 ...10.2-cm R (40x) ...Andrey Semenyuta (Pavlodar, Kazakhstan)