CometC/2016 U1 (NEOWISE)
UserCastor 98
User`s nameMarek Biely
Observation's time (UT)2016-12-29 04:51:00
Tool20x80 binoculars
Observation's placeBrno (244 m a.s.l.)
Magnitude8.2
Comparison stars sourceHJ - Magnitudes in the Hipparcos photometric system
MethodM - Morris`s method
Coma diameter(')4.1
Tail's lengthNot set
Condensation6/
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
CommentAn observation made after almost 7 months long observing blank. Comet bright and well condensed. Low altitude: 15.9 deg. above the horizon. Correction for an atmospheric extinction not needed.
Morris Format2016 Dec 29.2 UT: m1=8.2, Dia.=4.1', DC=6.5 ...8-cm B (20x) ...Marek Biely (Brno (244 m a.s.l.), Czech Republic)