| Comet | C/2013 US10 (Catalina) |
|---|---|
| User | Norm |
| User`s name | Neil Norman |
| Observation's time (UT) | 2015-12-09 06:00:00 |
| Tool | Telescope |
| Observation's place | Ipswich |
| Magnitude | 6.4 |
| Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 8 |
| Tail's length | 0.3° |
| Condensation | 5 |
| Positional angle of tail | 150 |
| Bortl's scale | Not set |
| Aperture | 11.4 cm |
| Focal length (mm) | 8 |
| Type of tool | L - Newtonian reflector |
| Magnification | Not set |
| Field of view (°) | Not set |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | 6 |
| Comment | |
| Morris Format | 2015 Dec 9.25 UT: m1=6.4, Dia.=8', DC=5, Tail: 0.3 deg, in PA 150 deg ...11.4-cm L ...Neil Norman (Ipswich, England) |
