| Comet | C/2009 F6 (Yi-SWAN) |
|---|---|
| User | comethunter |
| User`s name | Maik Meyer |
| Observation's time (UT) | 2009-04-20 20:09:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 8.8 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 4.1 |
| Tail's length | Not set |
| Condensation | 3 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 15 cm |
| Focal length (mm) | 750 |
| Type of tool | R - Refractor |
| Magnification | 38 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2009 Apr 20.84 UT: m1=8.8, Dia.=4.1', DC=3 ...15-cm (38x) ...Maik Meyer (, ) |
