CometC/2009 P1 (Garradd)
Usercosteira1
User`s nameAlexandre Amorim
Observation's time (UT)2011-10-22 22:19:00
ToolNot set
Observation's place
Magnitude7.5
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')4
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture18 cm
Focal length (mm)1440
Type of toolL - Newtonian reflector
Magnification57
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2011 Oct 22.93 UT: m1=7.5, Dia.=4', DC=4 ...18-cm (57x) ...Alexandre Amorim (, )