| Comet | C/2009 P1 (Garradd) |
|---|---|
| User | ASem |
| User`s name | Andrey Semenyuta |
| Observation's time (UT) | 2011-09-28 16:00:00 |
| Tool | sw-102 |
| Observation's place | Pavlodar |
| Magnitude | 7.8: |
| Comparison stars source | YG - Yale Bright Star Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | &4.2 |
| Tail's length | Not set |
| Condensation | 4 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 10.2 cm |
| Focal length (mm) | 1000 |
| Type of tool | R - Refractor |
| Magnification | 40 |
| Field of view (°) | 1.3 |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2011 Sep 28.67 UT: m1=7.8:, Dia.=&4.2', DC=4 ...10.2-cm R (40x) ...Andrey Semenyuta (Pavlodar, Kazakhstan) |
