| Comet | C/2009 P1 (Garradd) |
|---|---|
| User | slava03 |
| User`s name | Vyacheslav Ivanov |
| Observation's time (UT) | 2012-02-20 22:19:00 |
| Tool | "Мицар" |
| Observation's place | Саратов |
| Magnitude | 7 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 10 |
| Tail's length | 0.17° |
| Condensation | 4 |
| Positional angle of tail | 100 |
| Bortl's scale | Not set |
| Aperture | 110 cm |
| Focal length (mm) | 805.85 |
| Type of tool | L - Newtonian reflector |
| Magnification | 115.1 |
| Field of view (°) | 0.71 |
| SQM-L in zenith | Not set |
| Light pollution zone | Orange |
| Lm | Not set |
| Comment | |
| Morris Format | 2012 Feb 20.93 UT: m1=7, Dia.=10', DC=4, Tail: 0.17 deg, in PA 100 deg ...110-cm L (115.1x) ...Vyacheslav Ivanov (Саратов, Russia) |
