Observation's detail view

Comet 21P/Giacobini-Zinner
UserAlexsandr Morozov
User`s name
Observation's time (UT)2018-09-17 00:15
Toolтелескоп SW 10 dob
Observation's placeSukhinichi
Comparison stars sourceAA
MethodM - Morris`s method
Magnitude7.7
Coma diameter(')4
Tail's length7
Condensation5
Positional angle of tail290
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
Lm6.19
Comment
Morris Format2018 Sep 17.01 UT: m1=7.7, Dia.=4', DC=5, Tail: 7 arcmin, in PA 290 deg ...25.4-cm L (48x) ...Alexsandr Morozov (Sukhinichi, Russia)