CometC/2017 S3 (PANSTARRS)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2018-07-17 20:55
Toolтелескоп SW 10 dob
Observation's placeSukhinichi
Magnitude7.7
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')5
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4 cm
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification48
Field of view (°)0.83
SQM-L in zenith
Light pollution zoneGreen
Lm
Comment
Morris Format2018 Jul 17.87 UT: m1=7.7, Dia.=5', DC=5 ...25.4-cm L (48x) ...Alexsandr Morozov (Sukhinichi, Russia)