Comet46P/Wirtanen
UserPiotr Guzik
User`s namePiotr Guzik
Observation's time (UT)2007-11-12 17:02:00
ToolNot set
Observation's place
Magnitude12.5
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')1.5
Tail's lengthNot set
Condensation1
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20.3 cm
Focal length (mm)1218
Type of toolL - Newtonian reflector
Magnification63
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2007 Nov 12.71 UT: m1=12.5, Dia.=1.5', DC=1 ...20.3-cm (63x) ...Piotr Guzik (, )