Comet 12P/Pons-Brooks
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2023-12-06 16:30
Toolтелескоп SW 130650 eq2
Observation's placeNovozybkov
Magnitude9.2
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')3
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
Magnification65
Field of view (°)0.77
SQM-L in zenith
Light pollution zoneYellow
Lm
Comment
Morris Format2023 Dec 6.69 UT: m1=9.2, Dia.=3', DC=3 ...13-cm L (65x) ...Alexsandr Morozov (Novozybkov, Russia)