Comet17P/Holmes
UserNorm
User`s nameNeil Norman
Observation's time (UT)2007-11-01
ToolNaked eye
Observation's placeIpswich
Magnitude2.3
Comparison stars sourceAE - Planetary magnitudes from the American Ephemeris and Nautical Almanac
Method
Coma diameter(')10
Tail's lengthNot set
Condensation7/
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 Nov 1 UT: m1=2.3, Dia.=10', DC=7.5 ...0-cm...Naked Eye ...Neil Norman (Ipswich, England)