Comet 21P/Giacobini-Zinner
UserArtom
User`s nameArtyom Novichonok
Observation's time (UT)2018-07-26 00:00:00
ToolCelestron 6''
Observation's placeSimeiz observatory
Magnitude9.5
Comparison stars sourceAQ - APASS catalog
MethodM - Morris`s method
Coma diameter(')3.6
Tail's lengthNot set
Condensation4/
Positional angle of tailNot set
Bortl's scale4.5
Aperture15 cm
Focal length (mm)750
Type of toolL - Newtonian reflector
Magnification30
Field of view (°)0
SQM-L in zenith19.9
Light pollution zoneGreen
Lm
CommentSimeiz, 21C; near full moon (Ph.=0.97) 8 deg above horizon
Morris Format2018 Jul 26. UT: m1=9.5, Dia.=3.6', DC=4.5 ...15-cm L (30x) ...Artyom Novichonok (Simeiz observatory, Russia)