Comet46P/Wirtanen
UserKoalin
User`s nameDarius Gasiūnas
Observation's time (UT)2019-02-15 19:040
ToolSky-Watcher 12 Inch Dobsonian Telescope
Observation's placeДеревня Dindos, Ignalinos район, Литва
Magnitude11.5:
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')2
Tail's lengthNot set
Condensation3
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 84% +0,5°
Morris Format1970 Jan 1.13 UT: m1=11.5:, Dia.=2', DC=3 ...30.5-cm L (123.3x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, )