CometC/2013 US10 (Catalina)
UserNorm
User`s nameNeil Norman
Observation's time (UT)2016-02-10 19:12:00
ToolTelescope
Observation's placeIpswich
Magnitude7.4
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')10
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture11.4 cm
Focal length (mm)8
Type of toolL - Newtonian reflector
MagnificationNot set
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
Lm6.2
Comment
Morris Format2016 Feb 10.8 UT: m1=7.4, Dia.=10', DC=4 ...11.4-cm L ...Neil Norman (Ipswich, England)