CometC/2009 P1 (Garradd)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2011-08-29 20:30:00
Toolмонокуляр 20x60
Observation's place4
Magnitude7.5
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodB - Bobrovnikoff`s method
Coma diameter(')8
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture6 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification20
Field of view (°)3
SQM-L in zenithNot set
Light pollution zone
Lm6
Comment
Morris Format2011 Aug 29.85 UT: m1=7.5, Dia.=8', DC=5 ...6-cm B (20x) ...Alexsandr Morozov (4, )