Observation's detail view

Comet 41P/Tuttle-Giacobini-Kresak
UserJerzy Bohusz
User`s name
Observation's time (UT)2017-04-22 21:35:00
ToolTNAk 250 mm
Observation's placeMyślin
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Magnitude7.1
Coma diameter(')12.5
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25
Focal length (mm)1175
Type of toolL - Newtonian reflector
Magnification69.1
Field of view (°)0.94
SQM-L in zenith
Light pollution zone
Lm
Comment
Morris Format2017 Apr 22.9 UT: m1=7.1, Dia.=12.5', DC=4 ...25-cm L (69.1x) ...Jerzy Bohusz (Myślin, Poland)