Comet C/2007 Q3 (Siding Spring)
Usercosteira1
User`s nameAlexandre Amorim
Observation's time (UT)2009-05-21 22:04:00
ToolNot set
Observation's place
Magnitude10.8
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')0.5
Tail's lengthNot set
Condensation
Positional angle of tailNot set
Bortl's scaleNot set
Aperture18 cm
Focal length (mm)1440
Type of toolL - Newtonian reflector
Magnification115
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2009 May 21.92 UT: m1=10.8, Dia.=0.5' ...18-cm (115x) ...Alexandre Amorim (, )