CometC/2018 Y1 (Iwamoto)
UserSergey-B
User`s nameSergey Bezruchenko
Observation's time (UT)2019-03-07 11:30
ToolSW DOB 200/1000
Observation's placeс.Чугуевка
Magnitude8.7
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')12
Tail's lengthNot set
Condensation2
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
Lm5
Comment
Morris Format2019 Mar 7.48 UT: m1=8.7, Dia.=12', DC=2 ...20-cm L (58.8x) ...Sergey Bezruchenko (с.Чугуевка, Россия)