CometC/2014 Q2 (Lovejoy)
Usermarkwatson
User`s nameMark Watson
Observation's time (UT)2015-04-05 21:00
ToolTelescope
Observation's placeThame,Oxfordshire
Magnitude6.5
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodM - Morris`s method
Coma diameter(')8
Tail's length0.5°
Condensation2/
Positional angle of tail20
Bortl's scaleNot set
Aperture10.2 cm
Focal length (mm)500
Type of toolR - Refractor
MagnificationNot set
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
LmNot set
Comment
Morris Format2015 Apr 5.88 UT: m1=6.5, Dia.=8', DC=2.5, Tail: 0.5 deg, in PA 20 deg ...10.2-cm R ...Mark Watson (Thame,Oxfordshire, UK)