Comet46P/Wirtanen
UserMarco Goiato
User`s nameMarco Antonio Coelho Goiato
Observation's time (UT)2018-12-10 00:15:00
ToolNaked Eye
Observation's placeAraçatuba
Magnitude4.0:
Comparison stars sourceYG - Yale Bright Star Catalogue
MethodI - Variable stars (without defocusing)
Coma diameter(')70
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture cm
Focal length (mm)Not set
Type of toolE - Naked eye
MagnificationNot set
Field of view (°)Not set
SQM-L in zenith
Light pollution zoneYellow
Lm
CommentClouds
Morris Format2018 Dec 10.01 UT: m1=4.0:, Dia.=70', DC=3...Naked Eye ...Marco Antonio Coelho Goiato (Araçatuba, Brazil)