CometC/2014 Q3 (Borisov)
UserCastor 98
User`s nameMarek Biely
Observation's time (UT)2014-10-28 21:35:00
Tool7.6cm, f/4 reflector
Observation's placeBrno (205 m a.s.l.)
Magnitude11.1:
Comparison stars sourceTK - Tycho-2 Catalogue
MethodS - Sidgwick`s method
Coma diameter(')&2.5
Tail's lengthNot set
Condensation2/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture7.6 cm
Focal length (mm)300
Type of toolL - Newtonian reflector
Magnification37.5
Field of view (°)1.6
SQM-L in zenithNot set
Light pollution zone
LmNot set
CommentUnexpectedly already visible. But it is so faint, I needed about 20 minutes to see it. Limit observation.
Morris Format2014 Oct 28.9 UT: m1=11.1:, Dia.=&2.5', DC=2.5 ...7.6-cm L (37.5x) ...Marek Biely (Brno (205 m a.s.l.), Czech Republic)