CometC/2017 K2 (PANSTARRS)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2021-06-30 21:40
Toolтелескоп SW 10 dob
Observation's placeNovozybkov
Magnitude12.8
Comparison stars sourceAQ - APASS catalog
MethodS - Sidgwick`s method
Coma diameter(')1.1
Tail's lengthNot set
Condensation3/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4 cm
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification120
Field of view (°)0.42
SQM-L in zenith
Light pollution zoneGreen
Lm
Comment
Morris Format2021 Jun 30.9 UT: m1=12.8, Dia.=1.1', DC=3.5 ...25.4-cm L (120x) ...Alexsandr Morozov (Novozybkov, Russia)