Comet | C/2013 US10 (Catalina) |
---|---|
User | Castor 98 |
User`s name | Marek Biely |
Observation's time (UT) | 2016-01-23 04:35:00 |
Tool | 20x80 binoculars |
Observation's place | Brno (244 m a.s.l.) |
Magnitude | 6.4 |
Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
Method | M - Morris`s method |
Coma diameter(') | 10.5 |
Tail's length | Not set |
Condensation | 4/ |
Positional angle of tail | Not set |
Bortl's scale | Not set |
Aperture | 8 cm |
Focal length (mm) | Not set |
Type of tool | B - Binoculars |
Magnification | 20 |
Field of view (°) | 2.5 |
SQM-L in zenith | |
Light pollution zone | |
Lm | |
Comment | Clear sky, very cold weather. Large, moderately condensed coma. No tails visible. |
Morris Format | 2016 Jan 23.19 UT: m1=6.4, Dia.=10.5', DC=4.5 ...8-cm B (20x) ...Marek Biely (Brno (244 m a.s.l.), Czech Republic) |