Comet C/2007 Q3 (Siding Spring)
UserMarco Goiato
User`s nameMarco Antonio Coelho Goiato
Observation's time (UT)2009-02-20 00:14:00
ToolTelescópio
Observation's placeAraçatuba
Magnitude11.6
Comparison stars sourceAU - ASAS-3 V magnitudes
MethodM - Morris`s method
Coma diameter(')1.2
Tail's lengthNot set
Condensation6
Positional angle of tailNot set
Bortl's scaleNot set
Aperture220 cm
Focal length (mm)1440
Type of toolL - Newtonian reflector
Magnification160
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2009 Feb 20.01 UT: m1=11.6, Dia.=1.2', DC=6 ...220-cm L (160x) ...Marco Antonio Coelho Goiato (Araçatuba, Brazil)