Observation's detail view

Comet 21P/Giacobini-Zinner
UserAlexsandr Morozov
User`s name
Observation's time (UT)2018-08-05 21:49
Toolтелескоп SW 10 dob
Observation's placeSukhinichi
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodM - Morris`s method
Magnitude8.9
Coma diameter(')5
Tail's length9
Condensation6
Positional angle of tail235
Bortl's scaleNot set
Aperture25.4
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification48
Field of view (°)0.83
SQM-L in zenith
Light pollution zoneGreen
Lm6.47
Comment
Morris Format2018 Aug 5.91 UT: m1=8.9, Dia.=5', DC=6, Tail: 9 arcmin, in PA 235 deg ...25.4-cm L (48x) ...Alexsandr Morozov (Sukhinichi, Russia)