CometC/2018 Y1 (Iwamoto)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2019-02-07 22:30
Toolмонокуляр 20x60
Observation's placeSukhinichi
Magnitude7.2
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')20
Tail's lengthNot set
Condensation3
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 zoneGreen
Lm
Comment
Morris Format2019 Feb 7.94 UT: m1=7.2, Dia.=20', DC=3 ...6-cm B (20x) ...Alexsandr Morozov (Sukhinichi, Russia)