CometC/2017 K2 (PANSTARRS)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2021-10-31 16:15
Toolтелескоп SW 10 dob
Observation's placeSukhinichi
Magnitude11.7
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')2.5
Tail's lengthNot set
Condensation2/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4 cm
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification171.4
Field of view (°)0.48
SQM-L in zenith
Light pollution zoneYellow
Lm
Comment
Morris Format2021 Oct 31.68 UT: m1=11.7, Dia.=2.5', DC=2.5 ...25.4-cm L (171.4x) ...Alexsandr Morozov (Sukhinichi, Russia)