| Comet | C/2013 US10 (Catalina) |
|---|---|
| User | Norm |
| User`s name | Neil Norman |
| Observation's time (UT) | 2015-12-23 05:31:00 |
| Tool | Binoculars |
| Observation's place | Ipswich |
| Magnitude | 5.7 |
| Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 7 |
| Tail's length | 0.1° |
| Condensation | 4 |
| Positional angle of tail | 152 |
| Bortl's scale | Not set |
| Aperture | 5 cm |
| Focal length (mm) | Not set |
| Type of tool | B - Binoculars |
| Magnification | 10 |
| Field of view (°) | 6 |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | 6 |
| Comment | |
| Morris Format | 2015 Dec 23.23 UT: m1=5.7, Dia.=7', DC=4, Tail: 0.1 deg, in PA 152 deg ...5-cm B (10x) ...Neil Norman (Ipswich, England) |
