| Comet | C/2009 F6 (Yi-SWAN) |
|---|---|
| User | cer01 |
| User`s name | Jakub Černý |
| Observation's time (UT) | 2009-05-16 21:21:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 9.3 |
| Comparison stars source | |
| Method | M - Morris`s method |
| Coma diameter(') | 3.5 |
| Tail's length | Not set |
| Condensation | 4 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 10 cm |
| Focal length (mm) | 0 |
| Type of tool | B - Binoculars |
| Magnification | 25 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2009 May 16.89 UT: m1=9.3, Dia.=3.5', DC=4 ...10-cm (25x) ...Jakub Černý (, ) |
