Comet46P/Wirtanen
UserMarco Goiato
User`s nameMarco Antonio Coelho Goiato
Observation's time (UT)2008-01-30 23:15:00
ToolTelescópio
Observation's placeAraçatuba
Magnitude8.6
Comparison stars sourceAU - ASAS-3 V magnitudes
MethodM - Morris`s method
Coma diameter(')5
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture220 cm
Focal length (mm)1440
Type of toolL - Newtonian reflector
Magnification60
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2008 Jan 30.97 UT: m1=8.6, Dia.=5', DC=5 ...220-cm L (60x) ...Marco Antonio Coelho Goiato (Araçatuba, Brazil)