Comet 21P/Giacobini-Zinner
UserKoalin
User`s nameDarius Gasiūnas
Observation's time (UT)2018-08-18 23:30
Tool"Селевичь"
Observation's placeДеревня Dindos, Ignalinos район, Литва
Magnitude8.0
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')4
Tail's length7'
Condensation5
Positional angle of tailNot set
Bortl's scaleNot set
Aperture12 cm
Focal length (mm)560
Type of toolR - Refractor
Magnification29.5
Field of view (°)2.2
SQM-L in zenith
Light pollution zone
Lm
CommentSun -19°
Morris Format2018 Aug 18.98 UT: m1=8.0, Dia.=4', DC=5, Tail: 7 arcmin ...12-cm R (29.5x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, )