CometC/2009 P1 (Garradd)
UserNorm
User`s nameNeil Norman
Observation's time (UT)2012-01-20
ToolTelescope
Observation's placeIpswich
Magnitude7
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
Aperture11.4 cm
Focal length (mm)8
Type of toolL - Newtonian reflector
MagnificationNot set
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
LmNot set
Comment
Morris Format2012 Jan 20 UT: m1=7, Dia.=8', DC=6, Tail: 0 deg, in PA 0 deg ...11.4-cm L ...Neil Norman (Ipswich, England)