CometC/2019 Y4 (ATLAS)
UserCastor 98
User`s nameMarek Biely
Observation's time (UT)2020-04-02 02:19:00
Tool20x80 binoculars
Observation's placeBrno (244 m a.s.l.)
Magnitude8.0
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')8.0
Tail's lengthNot set
Condensation4
Positional angle of tailNot set
Bortl's scaleNot set
Aperture8 cm
Focal length (mm)Not set
Type of toolB - Binoculars
Magnification20
Field of view (°)2.5
SQM-L in zenith
Light pollution zone
Lm
CommentVery easy to see. Elongated coma and a hint of tail.
Morris Format2020 Apr 2.1 UT: m1=8.0, Dia.=8.0', DC=4 ...8-cm B (20x) ...Marek Biely (Brno (244 m a.s.l.), Czech Republic)