CometC/2018 Y1 (Iwamoto)
UserSergey-B
User`s nameSergey Bezruchenko
Observation's time (UT)2019-02-10 20:30
ToolSW DOB 200/1000
Observation's placeс.Чугуевка
Magnitude6.7
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')20
Tail's lengthNot set
Condensation4/
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
Lm4.5
Comment
Morris Format2019 Feb 10.85 UT: m1=6.7, Dia.=20', DC=4.5 ...20-cm L (58.8x) ...Sergey Bezruchenko (с.Чугуевка, Россия)