Comet46P/Wirtanen
UserPeter_Pskov
User`s namePetr Mitrofanov
Observation's time (UT)2018-11-28 19:07
ToolSkywatcher BKP25012
Observation's placeCherniakovitsi
Magnitude6.8
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')11
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
Magnification42.9
Field of view (°)0
SQM-L in zenith
Light pollution zoneGreen
Lm
Comment
Morris Format2018 Nov 28.8 UT: m1=6.8, Dia.=11', DC=2 ...25.4-cm L (42.9x) ...Petr Mitrofanov (Cherniakovitsi, Russia)