CometC/2013 US10 (Catalina)
UserSergey-B
User`s nameSergey Bezruchenko
Observation's time (UT)2016-02-03 07:00
ToolSW DOB 200/1000
Observation's placeс.Чугуевка
Magnitude6.9
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')8
Tail's lengthNot set
Condensation6
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20 cm
Focal length (mm)1000
Type of toolL - Newtonian reflector
Magnification40
Field of view (°)1.3
SQM-L in zenith
Light pollution zoneGreen
Lm5
Comment
Morris Format2016 Feb 3.29 UT: m1=6.9, Dia.=8', DC=6 ...20-cm L (40x) ...Sergey Bezruchenko (с.Чугуевка, Россия)