| Comet | C/2013 US10 (Catalina) |
|---|---|
| User | Sd-mail |
| User`s name | Danil Sidorko |
| Observation's time (UT) | 2016-01-31 17:00 |
| Tool | SkyMaster 15x70 |
| Observation's place | Korenovsk |
| Magnitude | 6.4 |
| Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 16 |
| Tail's length | Not set |
| Condensation | 5 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 7 cm |
| Focal length (mm) | Not set |
| Type of tool | B - Binoculars |
| Magnification | 15 |
| Field of view (°) | 4.4 |
| SQM-L in zenith | |
| Light pollution zone | Orange |
| Lm | |
| Comment | |
| Morris Format | 2016 Jan 31.71 UT: m1=6.4, Dia.=16', DC=5 ...7-cm B (15x) ...Danil Sidorko (Korenovsk, Russia) |