CometC/2017 S3 (PANSTARRS)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2018-07-18 21:10
Toolмонокуляр 20x60
Observation's placeSukhinichi
Magnitude7.4
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')6
Tail's lengthNot set
Condensation5/
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
Lm6.19
Comment
Morris Format2018 Jul 18.88 UT: m1=7.4, Dia.=6', DC=5.5 ...6-cm B (20x) ...Alexsandr Morozov (Sukhinichi, Russia)