| Comet | C/2013 US10 (Catalina) |
|---|---|
| User | ASem |
| User`s name | Andrey Semenyuta |
| Observation's time (UT) | 2016-02-26 17:15 |
| Tool | sw-102 |
| Observation's place | Pavlodar |
| Magnitude | 9.4: |
| Comparison stars source | YG - Yale Bright Star Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 4.0 |
| Tail's length | Not set |
| Condensation | 3 |
| Positional angle of tail | Not set |
| Bortl's scale | 6 |
| Aperture | 10.2 cm |
| Focal length (mm) | 1000 |
| Type of tool | R - Refractor |
| Magnification | 50 |
| Field of view (°) | 1.34 |
| SQM-L in zenith | |
| Light pollution zone | |
| Lm | 5.3 |
| Comment | Намучился с ней, пока разглядел среди звёзд мутное пятнышко. Для оценки блеска брал звёзды окрестностей альфы Персея. |
| Morris Format | 2016 Feb 26.72 UT: m1=9.4:, Dia.=4.0', DC=3 ...10.2-cm R (50x) ...Andrey Semenyuta (Pavlodar, Kazakhstan) |
