CometC/2019 Y1 (ATLAS)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2020-03-31 17:40
Toolтелескоп SW 10 dob
Observation's placeSukhinichi
Magnitude9.0
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')1.5
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
Lm
CommentMoon 43%
Morris Format2020 Mar 31.74 UT: m1=9.0, Dia.=1.5', DC=4.5 ...25.4-cm L (48x) ...Alexsandr Morozov (Sukhinichi, Russia)