CometC/2017 O1 (ASASSN)
UserAlexsandr Morozov
User`s nameAlexsandr Morozov
Observation's time (UT)2017-10-03 01:14
Toolтелескоп SW 130650 eq2
Observation's placeNovozybkov
Magnitude9.4
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodS - Sidgwick`s method
Coma diameter(')7
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture13 cm
Focal length (mm)650
Type of toolL - Newtonian reflector
Magnification26
Field of view (°)1.54
SQM-L in zenith
Light pollution zoneGreen
Lm6.45
Comment
Morris Format2017 Oct 3.05 UT: m1=9.4, Dia.=7', DC=3 ...13-cm L (26x) ...Alexsandr Morozov (Novozybkov, Russia)