Observation's detail view

Comet 21P/Giacobini-Zinner
Usernikgus
User`s name
Observation's time (UT)2018-09-08 21:45
Tool Celestron SkyMaster 25*100
Observation's placeЗаволжск
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodB - Bobrovnikoff`s method
Magnitude7.7
Coma diameter(')7
Tail's length10
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture10
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification25
Field of view (°)3
SQM-L in zenith
Light pollution zoneGreen
Lm5.4
Comment
Morris Format2018 Sep 8.91 UT: m1=7.7, Dia.=7', DC=5, Tail: 10 arcmin ...10-cm B (25x) ...Николай Гусев (Заволжск, Россия)