Comet C/2001 A2-A (LINEAR)
UserASem
User`s nameAndrey Semenyuta
Observation's time (UT)2001-07-22 17:40
Toolмшр-60
Observation's placePavlodar
Magnitude7.56
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')10
Tail's lengthNot set
Condensation4
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 zenith
Light pollution zone
Lm5
Comment
Morris Format2001 Jul 22.74 UT: m1=7.56, Dia.=10', DC=4 ...6-cm R (30x) ...Andrey Semenyuta (Pavlodar, Kazakhstan)