Comet 41P/Tuttle-Giacobini-Kresak
Userantares48
User`s nameP. Jordanov
Observation's time (UT)2017-03-23 18:30
ToolBresser 150/750
Observation's placeDimitrovgrad-Brod
Magnitude8.6
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')7.32
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scale5
Aperture15 cm
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 Format2017 Mar 23.77 UT: m1=8.6, Dia.=7.32', DC=2 ...15-cm L (23.4x) ...P. Jordanov (Dimitrovgrad-Brod, Bulgaria)