Comet 21P/Giacobini-Zinner
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2018-10-01 01:21
Toolтелескоп SW 10 dob
Observation's placeSukhinichi
Magnitude10.1
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodM - Morris`s method
Coma diameter(')1.6
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
Lm5.73
CommentMoon 65%
Morris Format2018 Oct 1.06 UT: m1=10.1, Dia.=1.6', DC=4 ...25.4-cm L (48x) ...Alexsandr Morozov (Sukhinichi, Russia)