Observation's detail view

Comet 21P/Giacobini-Zinner
UserSergey-B
User`s name
Observation's time (UT)2018-08-16 13:00
ToolSW DOB 200/1000
Observation's placeс.Чугуевка
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Magnitude7.9
Coma diameter(')4
Tail's length6
Condensation6
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20
Focal length (mm)1000
Type of toolL - Newtonian reflector
Magnification58.8
Field of view (°)0.88
SQM-L in zenith
Light pollution zoneGreen
Lm5
Comment
Morris Format2018 Aug 16.54 UT: m1=7.9, Dia.=4', DC=6, Tail: 6 arcmin ...20-cm L (58.8x) ...Sergey Bezruchenko (с.Чугуевка, Россия)