Comet 12P/Pons-Brooks
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2024-02-18 17:00
Toolмонокуляр 20x60
Observation's placeNovozybkov
Magnitude7.3
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodM - Morris`s method
Coma diameter(')7
Tail's lengthNot set
Condensation4/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture6 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification20
Field of view (°)3
SQM-L in zenith
Light pollution zoneGreen
Lm
Comment
Morris Format2024 Feb 18.71 UT: m1=7.3, Dia.=7', DC=4.5 ...6-cm B (20x) ...Alexsandr Morozov (Novozybkov, Russia)