CometC/2019 Y1 (ATLAS)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2020-04-11 18:20
Toolтелескоп SW 10 dob
Observation's placeSukhinichi
Magnitude8.4
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')3.8
Tail's lengthNot set
Condensation4
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
Lm6.41
Comment
Morris Format2020 Apr 11.76 UT: m1=8.4, Dia.=3.8', DC=4 ...25.4-cm L (48x) ...Alexsandr Morozov (Sukhinichi, Russia)