Observation's detail view

Comet 21P/Giacobini-Zinner
Userantares48
User`s name
Observation's time (UT)2018-09-09 00:10
ToolBresser 150/750
Observation's placeDimitrovgrad-Brod
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Magnitude8.0
Coma diameter(')4.5
Tail's length6.5
Condensation5
Positional angle of tail270
Bortl's scale5
Aperture15
Focal length (mm)750
Type of toolL - Newtonian reflector
Magnification23.4
Field of view (°)2.22
SQM-L in zenith
Light pollution zoneGreen
Lm5.8
Comment
Morris Format2018 Sep 9.01 UT: m1=8.0, Dia.=4.5', DC=5, Tail: 6.5 arcmin, in PA 270 deg ...15-cm L (23.4x) ...P. Jordanov (Dimitrovgrad-Brod, Bulgaria)