CometC/2013 US10 (Catalina)
UserPeter_Pskov
User`s namePetr Mitrofanov
Observation's time (UT)2016-01-14 21:55
ToolCelestron SkyMaster 15x70
Observation's placeUsadishie
Magnitude6.5
Comparison stars sourceAU - ASAS-3 V magnitudes
MethodM - Morris`s method
Coma diameter(')12
Tail's length6'
Condensation3
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 zoneBlue
Lm
Comment
Morris Format2016 Jan 14.91 UT: m1=6.5, Dia.=12', DC=3, Tail: 6 arcmin ...7-cm B (15x) ...Petr Mitrofanov (Usadishie, Russia)