Comet 21P/Giacobini-Zinner
UserArtom
User`s nameArtyom Novichonok
Observation's time (UT)2018-07-07 22:33:00
ToolCelestron 6''
Observation's placeSimeiz observatory
Magnitude10.8
Comparison stars sourceAQ - APASS catalog
MethodM - Morris`s method
Coma diameter(')1.5
Tail's lengthNot set
Condensation3
Positional angle of tailNot set
Bortl's scale4.5
Aperture15 cm
Focal length (mm)750
Type of toolL - Newtonian reflector
Magnification60
Field of view (°)0.87
SQM-L in zenith21.0
Light pollution zoneGreen
Lm
Comment
Morris Format2018 Jul 7.94 UT: m1=10.8, Dia.=1.5', DC=3 ...15-cm L (60x) ...Artyom Novichonok (Simeiz observatory, Russia)