Comet 38P/Stephan-Oterma
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2018-10-21 01:50
Toolтелескоп SW 10 dob
Observation's placeSukhinichi
Magnitude11.1
Comparison stars source
MethodS - Sidgwick`s method
Coma diameter(')0.8
Tail's lengthNot set
Condensation5
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
Lm6.75
Comment
Morris Format2018 Oct 21.08 UT: m1=11.1, Dia.=0.8', DC=5 ...25.4-cm L (120x) ...Alexsandr Morozov (Sukhinichi, Russia)