CometC/2016 R2 (PANSTARRS)
UserNorm
User`s nameNeil Norman
Observation's time (UT)2018-01-04 19:26:00
ToolBinoculars
Observation's placeIpswich
Magnitude10.5
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')2
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scaleNot set
Aperture80 mm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification20
Field of view (°)3.8
SQM-L in zenith
Light pollution zone
Lm6
Comment
Morris Format2018 Jan 4.81 UT: m1=10.5, Dia.=2', DC=2 ...80-cm B (20x) ...Neil Norman (Ipswich, England)