Comet46P/Wirtanen
UserKoalin
User`s nameDarius Gasiūnas
Observation's time (UT)2018-11-27 19:00
ToolSky-Watcher 12 Inch Dobsonian Telescope
Observation's placeДеревня Dindos, Ignalinos район, Литва
Magnitude8.5
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')4
Tail's lengthNot set
Condensation5/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture30.5 cm
Focal length (mm)1500
Type of toolL - Newtonian reflector
Magnification123.3
Field of view (°)0.58
SQM-L in zenith
Light pollution zone
Lm
CommentMon +4,5° 74%
Morris Format2018 Nov 27.79 UT: m1=8.5, Dia.=4', DC=5.5 ...30.5-cm L (123.3x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, )