| Comet | 217P/LINEAR |
|---|---|
| User | Outbackmanyep |
| User`s name | Chris Wyatt |
| Observation's time (UT) | 2009-10-18 15:07:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 9.9 |
| Comparison stars source | |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 2.5 |
| Tail's length | 4° |
| Condensation | 5 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 25 cm |
| Focal length (mm) | 1250 |
| Type of tool | L - Newtonian reflector |
| Magnification | 39 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2009 Oct 18.63 UT: m1=9.9, Dia.=2.5', DC=5, Tail: 4 deg ...25-cm (39x) ...Chris Wyatt (, ) |
