CometC/2019 Y4 (ATLAS)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2020-05-10 19:45
Toolтелескоп SW 130650 eq2
Observation's placeSukhinichi
Magnitude9.3
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
Aperture13 cm
Focal length (mm)650
Type of toolL - Newtonian reflector
Magnification26
Field of view (°)1.54
SQM-L in zenith
Light pollution zoneYellow
Lm
Comment
Morris Format2020 May 10.82 UT: m1=9.3, Dia.=6', DC=3.5 ...13-cm L (26x) ...Alexsandr Morozov (Sukhinichi, Russia)