Comet29P/Schwassmann-Wachmann
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2021-10-31 19:30
Toolтелескоп SW 10 dob
Observation's placeSukhinichi
Magnitude10.9
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')3
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4 cm
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification171.4
Field of view (°)0.48
SQM-L in zenith
Light pollution zoneYellow
Lm
Comment
Morris Format2021 Oct 31.81 UT: m1=10.9, Dia.=3', DC=2 ...25.4-cm L (171.4x) ...Alexsandr Morozov (Sukhinichi, Russia)