CometC/2015 F5 (SWAN-Xingming)
UserNorm
User`s nameNeil Norman
Observation's time (UT)2015-04-20 22:04:00
ToolTelescope
Observation's placeIpswich
Magnitude10.2
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
MethodS - Sidgwick`s method
Coma diameter(')2
Tail's length0
Condensation2
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
Lm6
Comment
Morris Format2015 Apr 20.92 UT: m1=10.2, Dia.=2', DC=2, Tail: 0 deg, in PA 0 deg ...11.4-cm L ...Neil Norman (Ipswich, England)