Observation's detail view

Comet 123P/West-Hartley
UserKoalin
User`s name
Observation's time (UT)2019-04-01 21:40
ToolSky-Watcher 12 Inch Dobsonian Telescope
Observation's placeДеревня Dindos, Ignalinos район, Литва
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Magnitude12.8
Coma diameter(')1
Tail's lengthNot set
Condensation2.5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture30.5
Focal length (mm)1500
Type of toolL - Newtonian reflector
Magnification123.3
Field of view (°)0.58
SQM-L in zenith
Light pollution zone
Lm
Comment Min mag star 15,1m Смотрится приятно.
Morris Format2019 Apr 1.9 UT: m1=12.8, Dia.=1', DC=2.5 ...30.5-cm L (123.3x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, )