Observation's detail view

CometC/2015 V2 (Johnson)
UserPeter_Pskov
User`s name
Observation's time (UT)2017-04-19 22:50
ToolBresser 20x80
Observation's placeIzborsk
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Magnitude9.0
Coma diameter(')6
Tail's lengthNot set
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture8
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification20
Field of view (°)3.2
SQM-L in zenith
Light pollution zoneBlue
Lm
Comment
Morris Format2017 Apr 19.95 UT: m1=9.0, Dia.=6', DC=5 ...8-cm B (20x) ...Petr Mitrofanov (Izborsk, Russia)