| Comet | C/2015 F4 (Jacques) |
|---|---|
| User | Sd-mail |
| User`s name | Danil Sidorko |
| Observation's time (UT) | 2015-08-11 20:00 |
| Tool | SW10Dob |
| Observation's place | Mezmay |
| Magnitude | 10.9 |
| Comparison stars source | TK - Tycho-2 Catalogue |
| Method | S - Sidgwick`s method |
| Coma diameter(') | 1.5 |
| Tail's length | 1.7' |
| Condensation | 4/ |
| Positional angle of tail | 160 |
| Bortl's scale | Not set |
| Aperture | 25.5 cm |
| Focal length (mm) | 1200 |
| Type of tool | L - Newtonian reflector |
| Magnification | 120 |
| Field of view (°) | 0.42 |
| SQM-L in zenith | 21.4 |
| Light pollution zone | Gray |
| Lm | |
| Comment | |
| Morris Format | 2015 Aug 11.83 UT: m1=10.9, Dia.=1.5', DC=4.5, Tail: 1.7 arcmin, in PA 160 deg ...25.5-cm L (120x) ...Danil Sidorko (Mezmay, Russia) |
