CometC/2017 E4 (Lovejoy)
UserKoalin
User`s nameDarius Gasiūnas
Observation's time (UT)2017-04-18 00:50
Tool"Селевичь"
Observation's placeДеревня Dindos, Ignalinos район, Литва
Magnitude8.5:
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')4
Tail's lengthNot set
Condensation3
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
CommentКомета +9° ( Луна +2° , 63% ) В окрестностях очень светло - комета слабо заметна.
Morris Format2017 Apr 18.03 UT: m1=8.5:, Dia.=4', DC=3 ...12-cm R (29.5x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, )