CometC/2015 V2 (Johnson)
Userchergen
User`s nameCarl Hergenrother
Observation's time (UT)2017-05-01 11:31:00
ToolNot set
Observation's place
Magnitude7.9
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')Not set
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture5 cm
Focal length (mm)0
Type of toolB - Binoculars
Magnification10
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format2017 May 1.48 UT: m1=7.9, DC=4 ...5-cm (10x) ...Carl Hergenrother (, )