Comet 67P/Churyumov-Gerasimenko
UserSergey-B
User`s nameSergey Bezruchenko
Observation's time (UT)2021-11-13 20:15
ToolSW DOB 200/1000
Observation's placeс.Чугуевка
Magnitude9.1
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')2.5
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture20 cm
Focal length (mm)1000
Type of toolL - Newtonian reflector
Magnification58.8
Field of view (°)0.88
SQM-L in zenith
Light pollution zoneGreen
Lm4.8
Comment
Morris Format2021 Nov 13.84 UT: m1=9.1, Dia.=2.5', DC=5 ...20-cm L (58.8x) ...Sergey Bezruchenko (с.Чугуевка, Россия)