| Comet | 78P/Gehrels |
|---|---|
| User | Piotr Guzik |
| User`s name | Piotr Guzik |
| Observation's time (UT) | 2004-12-11 17:45:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 10.8 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | M - Morris`s method |
| Coma diameter(') | 2.5 |
| Tail's length | Not set |
| Condensation | 5 |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 20.3 cm |
| Focal length (mm) | 1218 |
| Type of tool | L - Newtonian reflector |
| Magnification | 63 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2004 Dec 11.74 UT: m1=10.8, Dia.=2.5', DC=5 ...20.3-cm (63x) ...Piotr Guzik (, ) |
