Comet C/2007 Q3 (Siding Spring)
UserMarco Goiato
User`s nameMarco Antonio Coelho Goiato
Observation's time (UT)2009-04-21 22:59:00
ToolTelescópio
Observation's placeAraçatuba
Magnitude10.8
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')2
Tail's lengthNot set
Condensation4
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 Apr 21.96 UT: m1=10.8, Dia.=2', DC=4 ...220-cm L (160x) ...Marco Antonio Coelho Goiato (Araçatuba, Brazil)