Observation's detail view

Comet 21P/Giacobini-Zinner
Userantares48
User`s name
Observation's time (UT)2018-09-07 00:00
ToolBresser 150/750
Observation's placeDimitrovgrad-Brod
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Magnitude7.6
Coma diameter(')4.5
Tail's length5
Condensation5
Positional angle of tail270
Bortl's scale5
Aperture15
Focal length (mm)750
Type of toolL - Newtonian reflector
Magnification28.8
Field of view (°)1.74
SQM-L in zenith
Light pollution zoneGreen
Lm5.8
Comment
Morris Format2018 Sep 7. UT: m1=7.6, Dia.=4.5', DC=5, Tail: 5 arcmin, in PA 270 deg ...15-cm L (28.8x) ...P. Jordanov (Dimitrovgrad-Brod, Bulgaria)