Observation's detail view

Comet17P/Holmes
UserNorm
User`s name
Observation's time (UT)2007-12-12
ToolBinoculars
Observation's placeIpswich
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
MethodM - Morris`s method
Magnitude2.8
Coma diameter(')60
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture5
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 Format2007 Dec 12 UT: m1=2.8, Dia.=60', DC=4 ...5-cm B (10x) ...Neil Norman (Ipswich, England)