Comet 38P/Stephan-Oterma
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2018-10-12 01:25
Toolтелескоп SW 10 dob
Observation's placeSukhinichi
Magnitude11.2
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')1.5
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
Magnification120
Field of view (°)0.42
SQM-L in zenith
Light pollution zoneGreen
Lm6.48
Comment
Morris Format2018 Oct 12.06 UT: m1=11.2, Dia.=1.5', DC=4 ...25.4-cm L (120x) ...Alexsandr Morozov (Sukhinichi, Russia)