CometC/2013 A1 (Siding Spring)
UserJerzy Bohusz
User`s nameJerzy Bohusz
Observation's time (UT)2015-03-17 03:21:00
ToolWTN 380/1650
Observation's placeMyślin
Magnitude12.6
Comparison stars sourceAQ - APASS catalog
MethodS - Sidgwick`s method
Coma diameter(')1.5
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
LmNot set
Comment
Morris Format2015 Mar 17.14 UT: m1=12.6, Dia.=1.5', DC=1.5 ...38-cm L (206.3x) ...Jerzy Bohusz (Myślin, Poland)