CometC/2019 L3 (ATLAS)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2021-06-07 22:30
Toolтелескоп SW 10 dob
Observation's placeNovozybkov
Magnitude12.1
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')1.4
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
Magnification120
Field of view (°)0.42
SQM-L in zenith
Light pollution zoneGreen
Lm
Comment
Morris Format2021 Jun 7.94 UT: m1=12.1, Dia.=1.4', DC=3 ...25.4-cm L (120x) ...Alexsandr Morozov (Novozybkov, Russia)