CometC/2015 V2 (Johnson)
UserKoalin
User`s nameDarius Gasiūnas
Observation's time (UT)2017-05-19 22:45
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(')3
Tail's length3'
Condensation7
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
CommentОтлично видна в 8×50 искатель. В прошлое наблюдение - была мнение конденсирована.
Morris Format2017 May 19.95 UT: m1=8.5, Dia.=3', DC=7, Tail: 3 arcmin ...30.5-cm L (123.3x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, )