CometC/2017 S3 (PANSTARRS)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2018-07-19 20:53
Toolмонокуляр 20x60
Observation's placeSukhinichi
Magnitude7.3
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')5.5
Tail's lengthNot set
Condensation6
Positional angle of tailNot set
Bortl's scaleNot set
Aperture6 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification20
Field of view (°)3
SQM-L in zenith
Light pollution zoneGreen
Lm6.23
Comment
Morris Format2018 Jul 19.87 UT: m1=7.3, Dia.=5.5', DC=6 ...6-cm B (20x) ...Alexsandr Morozov (Sukhinichi, Russia)