Comet 41P/Tuttle-Giacobini-Kresak
UserJerzy Bohusz
User`s nameJerzy Bohusz
Observation's time (UT)2017-01-29 23:45:00
ToolWTN 380/1650
Observation's placeMyślin
Magnitude12.2
Comparison stars sourceAQ - APASS catalog
MethodS - Sidgwick`s method
Coma diameter(')1.4
Tail's lengthNot set
Condensation2/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture38 cm
Focal length (mm)1650
Type of toolL - Newtonian reflector
Magnification126.9
Field of view (°)0.51
SQM-L in zenith
Light pollution zone
Lm
Comment
Morris Format2017 Jan 29.99 UT: m1=12.2, Dia.=1.4', DC=2.5 ...38-cm L (126.9x) ...Jerzy Bohusz (Myślin, Poland)