Comet 21P/Giacobini-Zinner
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2018-08-16 20:58
Toolтелескоп SW 10 dob
Observation's placeSukhinichi
Magnitude8.0
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodM - Morris`s method
Coma diameter(')6
Tail's length10'
Condensation6
Positional angle of tail255
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
Lm6.63
Comment
Morris Format2018 Aug 16.87 UT: m1=8.0, Dia.=6', DC=6, Tail: 10 arcmin, in PA 255 deg ...25.4-cm L (48x) ...Alexsandr Morozov (Sukhinichi, Russia)