CometC/2011 L4 (PANSTARRS)
UserNorm
User`s nameNeil Norman
Observation's time (UT)2013-04-02
ToolBinoculars
Observation's placeIpswich
Magnitude4
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
MethodM - Morris`s method
Coma diameter(')5
Tail's length
Condensation4
Positional angle of tail340
Bortl's scaleNot set
Aperture5 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification10
Field of view (°)6
SQM-L in zenith
Light pollution zone
LmNot set
Comment
Morris Format2013 Apr 2 UT: m1=4, Dia.=5', DC=4, Tail: 3 deg, in PA 340 deg ...5-cm B (10x) ...Neil Norman (Ipswich, England)