CometC/2014 Q2 (Lovejoy)
Usermarkwatson
User`s nameMark Watson
Observation's time (UT)2015-04-19 20:40
ToolBinoculars
Observation's placeThame,Oxfordshire
Magnitude7
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodM - Morris`s method
Coma diameter(')8
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture50 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification16
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
LmNot set
Comment
Morris Format2015 Apr 19.86 UT: m1=7, Dia.=8', DC=2 ...50-cm B (16x) ...Mark Watson (Thame,Oxfordshire, UK)