Observation's detail view

Comet 41P/Tuttle-Giacobini-Kresak
UserPeter_Pskov
User`s name
Observation's time (UT)2017-04-30 21:35
ToolSkywatcher BKP25012
Observation's placePalkino
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Magnitude8.5
Coma diameter(')7
Tail's lengthNot set
Condensation3
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 zoneBlue
Lm
Commentmoon (26%, 6 deg)
Morris Format2017 Apr 30.9 UT: m1=8.5, Dia.=7', DC=3 ...25.4-cm L (42.9x) ...Petr Mitrofanov (Palkino, Russia)