Comet 41P/Tuttle-Giacobini-Kresak
UserPeter_Pskov
User`s namePetr Mitrofanov
Observation's time (UT)2017-03-24 21:30
ToolSkywatcher BKP25012
Observation's placePalkino
Magnitude8.6
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')&10
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scaleNot set
Aperture25.4 cm
Focal length (mm)1200
Type of toolL - Newtonian reflector
Magnification42.9
Field of view (°)0
SQM-L in zenith
Light pollution zoneBlue
Lm
Comment
Morris Format2017 Mar 24.9 UT: m1=8.6, Dia.=&10', DC=3 ...25.4-cm L (42.9x) ...Petr Mitrofanov (Palkino, Russia)