Comet 103P/Hartley
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2023-09-27 00:55
Toolтелескоп SW 10 dob
Observation's placeNovozybkov
Magnitude9.3
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')8.5
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
Comment
Morris Format2023 Sep 27.04 UT: m1=9.3, Dia.=8.5', DC=4.5 ...25.4-cm L (48x) ...Alexsandr Morozov (Novozybkov, Russia)