Comet17P/Holmes
UserASem
User`s nameAndrey Semenyuta
Observation's time (UT)2007-11-04 00:05:00
Toolмшр-60
Observation's placePavlodar
Magnitude2.4
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')17
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture6 cm
Focal length (mm)600
Type of toolR - Refractor
Magnification30
Field of view (°)1.5
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2007 Nov 4. UT: m1=2.4, Dia.=17', DC=5 ...6-cm R (30x) ...Andrey Semenyuta (Pavlodar, Kazakhstan)