CometC/2015 C2 (SWAN)
UserCastor 98
User`s nameMarek Biely
Observation's time (UT)2015-04-25 02:00:00
Tool7.6cm, f/4 reflector
Observation's placeBrno (205 m a.s.l.)
Magnitude[11.4
Comparison stars sourceTK - Tycho-2 Catalogue
Method
Coma diameter(')1.8
Tail's lengthNot set
Condensation
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 zenith
Light pollution zone
LmNot set
CommentAlready not visible. Fainter than 11.4 mag. Slight interference of astronomical twilight.
Morris Format2015 Apr 25.08 UT: m1=[11.4, Dia.=1.8' ...7.6-cm L (37.5x) ...Marek Biely (Brno (205 m a.s.l.), Czech Republic)