CometC/2017 O1 (ASASSN)
UserJerzy Bohusz
User`s nameJerzy Bohusz
Observation's time (UT)2017-11-23 23:16:00
ToolWTN 380/1650
Observation's placeMyślin
Magnitude11.5
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')1.7
Tail's lengthNot set
Condensation1
Positional angle of tailNot set
Bortl's scaleNot set
Aperture38 cm
Focal length (mm)1650
Type of toolL - Newtonian reflector
Magnification206.3
Field of view (°)0.32
SQM-L in zenith
Light pollution zone
Lm
Comment
Morris Format2017 Nov 23.97 UT: m1=11.5, Dia.=1.7', DC=1 ...38-cm L (206.3x) ...Jerzy Bohusz (Myślin, Poland)