CometC/2015 V2 (Johnson)
UserNorm
User`s nameNeil Norman
Observation's time (UT)2017-01-05 06:00:00
ToolBinoculars
Observation's placeIpswich
Magnitude10.1
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')1.5
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture5 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification10
Field of view (°)6
SQM-L in zenith
Light pollution zone
Lm
Comment
Morris Format2017 Jan 5.25 UT: m1=10.1, Dia.=1.5', DC=2 ...5-cm B (10x) ...Neil Norman (Ipswich, England)