Observation's detail view

Comet 12P/Pons-Brooks
UserAlexsandr Morozov
User`s name
Observation's time (UT)2023-09-11 21:11
Toolтелескоп SW 10 dob
Observation's placeNovozybkov
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Magnitude12.5
Coma diameter(')1.8
Tail's lengthNot set
Condensation1.5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification171.4
Field of view (°)0.48
SQM-L in zenith
Light pollution zoneGreen
Lm
Comment
Morris Format2023 Sep 11.88 UT: m1=12.5, Dia.=1.8', DC=1.5 ...25.4-cm L (171.4x) ...Alexsandr Morozov (Novozybkov, Russia)