CometC/2009 P1 (Garradd)
Usercosteira1
User`s nameAlexandre Amorim
Observation's time (UT)2011-07-17 03:21:00
ToolNot set
Observation's place
Magnitude8.6
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')3
Tail's lengthNot set
Condensation5
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 Jul 17.14 UT: m1=8.6, Dia.=3', DC=5 ...18-cm (57x) ...Alexandre Amorim (, )