CometC/2019 Y4 (ATLAS)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2020-03-24 18:50
Toolтелескоп SW 10 dob
Observation's placeNovozybkov
Magnitude8.2
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodM - Morris`s method
Coma diameter(')11
Tail's lengthNot set
Condensation5
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
Lm6.72
Comment
Morris Format2020 Mar 24.78 UT: m1=8.2, Dia.=11', DC=5 ...25.4-cm L (48x) ...Alexsandr Morozov (Novozybkov, Russia)