Comet C/2017 T1 (Heinze)
UserNorm
User`s nameNeil Norman
Observation's time (UT)2018-01-07 19:26:00
ToolTelescope
Observation's placeIpswich
Magnitude9.4
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')2.5
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture11.4 cm
Focal length (mm)8
Type of toolL - Newtonian reflector
MagnificationNot set
Field of view (°)Not set
SQM-L in zenith
Light pollution zone
Lm6.5
Comment
Morris Format2018 Jan 7.81 UT: m1=9.4, Dia.=2.5', DC=3 ...11.4-cm L ...Neil Norman (Ipswich, England)