CometC/2009 P1 (Garradd)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2011-09-04 20:00:00
Toolмонокуляр 20x60
Observation's placeSukhinichi
Magnitude7.5
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodB - Bobrovnikoff`s method
Coma diameter(')5
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
Lm5
Comment
Morris Format2011 Sep 4.83 UT: m1=7.5, Dia.=5', DC=5 ...6-cm B (20x) ...Alexsandr Morozov (Sukhinichi, Russia)