CometC/2018 Y1 (Iwamoto)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2019-02-10 21:25
Toolмонокуляр 20x60
Observation's placeNovozybkov
Magnitude6.4
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')25
Tail's lengthNot set
Condensation2/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture6 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification20
Field of view (°)3
SQM-L in zenith
Light pollution zone
Lm
Comment
Morris Format2019 Feb 10.89 UT: m1=6.4, Dia.=25', DC=2.5 ...6-cm B (20x) ...Alexsandr Morozov (Novozybkov, Russia)