Observation's detail view

Comet 21P/Giacobini-Zinner
UserAlexsandr Morozov
User`s name
Observation's time (UT)2018-07-12 21:24
Toolтелескоп SW 10 dob
Observation's placeSukhinichi
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Magnitude10.1
Coma diameter(')1.5
Tail's length1.7
Condensation5
Positional angle of tail225
Bortl's scaleNot set
Aperture25.4
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification120
Field of view (°)0.42
SQM-L in zenith
Light pollution zoneGreen
Lm6.63
Comment
Morris Format2018 Jul 12.89 UT: m1=10.1, Dia.=1.5', DC=5, Tail: 1.7 arcmin, in PA 225 deg ...25.4-cm L (120x) ...Alexsandr Morozov (Sukhinichi, Russia)