CometC/2011 L4 (PANSTARRS)
UserNorm
User`s nameNeil Norman
Observation's time (UT)2013-07-09
ToolTelescope
Observation's placeIpswich
Magnitude10.5
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
MethodS - Sidgwick`s method
Coma diameter(')2
Tail's lengthNot set
Condensation6
Positional angle of tailNot set
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 Format2013 Jul 9 UT: m1=10.5, Dia.=2', DC=6 ...11.4-cm L ...Neil Norman (Ipswich, England)