Comet 41P/Tuttle-Giacobini-Kresak
Userantares48
User`s nameP. Jordanov
Observation's time (UT)2017-03-21 18:30
ToolBresser 150/750
Observation's placeDimitrovgrad-Brod
Magnitude8.4
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')10.58
Tail's lengthNot set
Condensation3
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 21.77 UT: m1=8.4, Dia.=10.58', DC=3 ...15-cm L (23.4x) ...P. Jordanov (Dimitrovgrad-Brod, Bulgaria)