CometC/2013 US10 (Catalina)
UserSd-mail
User`s nameDanil Sidorko
Observation's time (UT)2016-01-31 17:00
ToolSkyMaster 15x70
Observation's placeKorenovsk
Magnitude6.4
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')16
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture7 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification15
Field of view (°)4.4
SQM-L in zenith
Light pollution zoneOrange
Lm
Comment
Morris Format2016 Jan 31.71 UT: m1=6.4, Dia.=16', DC=5 ...7-cm B (15x) ...Danil Sidorko (Korenovsk, Russia)