| Comet | 78P/Gehrels |
|---|---|
| User | costeira1 |
| User`s name | Alexandre Amorim |
| Observation's time (UT) | 2011-12-19 23:31:00 |
| Tool | Not set |
| Observation's place | |
| Magnitude | 11 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 0.5 |
| Tail's length | Not set |
| Condensation | |
| Positional angle of tail | Not set |
| Bortl's scale | Not set |
| Aperture | 18 cm |
| Focal length (mm) | 1440 |
| Type of tool | L - Newtonian reflector |
| Magnification | 72 |
| Field of view (°) | Not set |
| SQM-L in zenith | Not set |
| Light pollution zone | |
| Lm | Not set |
| Comment | |
| Morris Format | 2011 Dec 19.98 UT: m1=11, Dia.=0.5' ...18-cm (72x) ...Alexandre Amorim (, ) |
