Observation's detail view

Comet 21P/Giacobini-Zinner
Userantares48
User`s name
Observation's time (UT)2018-08-18 20:35
ToolBresser 150/750
Observation's placeSarnegor
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Magnitude7.4
Coma diameter(')3
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scale4
Aperture15
Focal length (mm)750
Type of toolL - Newtonian reflector
Magnification28.8
Field of view (°)1.74
SQM-L in zenith
Light pollution zoneBlue
Lm6.2
Comment
Morris Format2018 Aug 18.86 UT: m1=7.4, Dia.=3', DC=5 ...15-cm L (28.8x) ...P. Jordanov (Sarnegor, Bulgaria)