CometC/2019 Y1 (ATLAS)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2020-05-17 20:30
Toolтелескоп SW 10 dob
Observation's placeNovozybkov
Magnitude9.6
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')6
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4 cm
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification48
Field of view (°)0.83
SQM-L in zenith
Light pollution zoneGreen
Lm
Comment
Morris Format2020 May 17.85 UT: m1=9.6, Dia.=6', DC=3 ...25.4-cm L (48x) ...Alexsandr Morozov (Novozybkov, Russia)