| Comet | C/2009 P1 (Garradd) |
|---|---|
| User | Sd-mail |
| User`s name | Danil Sidorko |
| Observation's time (UT) | 2011-09-04 22:00 |
| Tool | SkyMaster 15x70 |
| Observation's place | Korenovsk |
| Magnitude | 7.1 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 20 |
| Tail's length | 25' |
| 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 | |
| Lm | Not set |
| Comment | |
| Morris Format | 2011 Sep 4.92 UT: m1=7.1, Dia.=20', DC=5, Tail: 25 arcmin ...7-cm B (15x) ...Danil Sidorko (Korenovsk, Russia) |
