Comet 21P/Giacobini-Zinner
UserKoalin
User`s nameDarius Gasiūnas
Observation's time (UT)2018-08-08 21:10
Tool"Селевичь"
Observation's placeДеревня Dindos, Ignalinos район, Литва
Magnitude8.3
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')3.5
Tail's length4'
Condensation4/
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
CommentComet +59° Sun -18°
Morris Format2018 Aug 8.88 UT: m1=8.3, Dia.=3.5', DC=4.5, Tail: 4 arcmin ...12-cm R (29.5x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, )