CometC/2009 P1 (Garradd)
UserNorm
User`s nameNeil Norman
Observation's time (UT)2012-01-12
ToolBinoculars
Observation's placeIpswich
Magnitude6.8
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
MethodM - Morris`s method
Coma diameter(')8
Tail's length0
Condensation6
Positional angle of tail0
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 Format2012 Jan 12 UT: m1=6.8, Dia.=8', DC=6, Tail: 0 deg, in PA 0 deg ...5-cm B (10x) ...Neil Norman (Ipswich, England)