Comet 21P/Giacobini-Zinner
UserArtom
User`s nameArtyom Novichonok
Observation's time (UT)2018-07-05 21:21:00
ToolCelestron 6''
Observation's placeSimeiz observatory
Magnitude11.2
Comparison stars sourceAQ - APASS catalog
MethodM - Morris`s method
Coma diameter(')1.6
Tail's lengthNot set
Condensation2
Positional angle of tailNot set
Bortl's scale4.5
Aperture15 cm
Focal length (mm)750
Type of toolL - Newtonian reflector
Magnification115.4
Field of view (°)0.52
SQM-L in zenith21.0
Light pollution zoneGreen
Lm
Comment
Morris Format2018 Jul 5.89 UT: m1=11.2, Dia.=1.6', DC=2 ...15-cm L (115.4x) ...Artyom Novichonok (Simeiz observatory, Russia)