CometC/2015 ER61 (PANSTARRS)
UserKoalin
User`s nameDarius Gasiūnas
Observation's time (UT)2017-08-30 23:40
ToolSky-Watcher 12 Inch Dobsonian Telescope
Observation's place
Magnitude13:
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')0.5
Tail's lengthNot set
Condensation
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
Comment
Morris Format2017 Aug 30.99 UT: m1=13:, Dia.=0.5' ...30.5-cm L (123.3x) ...Darius Gasiūnas (, )