Comet17P/Holmes
UserNorm
User`s nameNeil Norman
Observation's time (UT)2007-12-05
ToolNaked eye
Observation's placeIpswich
Magnitude3.2
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
Method
Coma diameter(')60
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture0 cm
Focal length (mm)Not set
Type of toolB - Binoculars
MagnificationNot set
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
LmNot set
Comment
Morris Format2007 Dec 5 UT: m1=3.2, Dia.=60', DC=5 ...0-cm...Naked Eye ...Neil Norman (Ipswich, England)