Observation's detail view

Comet 21P/Giacobini-Zinner
UserPeter_Pskov
User`s name
Observation's time (UT)2018-08-07 19:40
ToolSkywatcher BKP25012
Observation's placeCherniakovitsi
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Magnitude8.8
Coma diameter(')2
Tail's length4
Condensation7
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4
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 Aug 7.82 UT: m1=8.8, Dia.=2', DC=7, Tail: 4 arcmin ...25.4-cm L (42.9x) ...Petr Mitrofanov (Cherniakovitsi, Russia)