Comet46P/Wirtanen
UserSergey-B
User`s nameSergey Bezruchenko
Observation's time (UT)2018-12-05 12:00
ToolSW 8х50
Observation's placeс.Чугуевка
Magnitude4.8
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')45
Tail's lengthNot set
Condensation2/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture5 cm
Focal length (mm)170
Type of toolR - Refractor
MagnificationNot set
Field of view (°)Not set
SQM-L in zenith
Light pollution zoneGreen
Lm5
Comment
Morris Format2018 Dec 5.5 UT: m1=4.8, Dia.=45', DC=2.5 ...5-cm R ...Sergey Bezruchenko (с.Чугуевка, Россия)