Observation's detail view

Comet 21P/Giacobini-Zinner
UserArtom
User`s name
Observation's time (UT)2018-08-19 21:50:00
Tool8-cm R S-W
Observation's placeFedotovo, Karelia
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Magnitude:8.0
Coma diameter(')6
Tail's length8
Condensation6.5
Positional angle of tail260
Bortl's scale2.5
Aperture8
Focal length (mm)400
Type of toolR - Refractor
Magnification16
Field of view (°)0
SQM-L in zenith21.06
Light pollution zoneGray
Lm
Comment13 C; mid of astronomical twilight (Sun -14.8). Яркая звезда рядом с кометой затрудняет оценку блеска.
Morris Format2018 Aug 19.91 UT: m1=8.0:, Dia.=6', DC=6.5, Tail: 8 arcmin, in PA 260 deg ...8-cm R (16x) ...Artyom Novichonok (Fedotovo, Karelia, Russia)