| Comet | C/2015 F4 (Jacques) |
|---|---|
| User | Sd-mail |
| User`s name | Danil Sidorko |
| Observation's time (UT) | 2015-07-13 20:30 |
| Tool | SW10Dob |
| Observation's place | Korenovsk |
| Magnitude | 11.4 |
| Comparison stars source | HJ - Magnitudes in the Hipparcos photometric system |
| Method | M - Morris`s method |
| Coma diameter(') | 1.3 |
| Tail's length | 2' |
| Condensation | 5 |
| Positional angle of tail | 210 |
| Bortl's scale | Not set |
| Aperture | 25.5 cm |
| Focal length (mm) | 1200 |
| Type of tool | L - Newtonian reflector |
| Magnification | 70.6 |
| Field of view (°) | 0.96 |
| SQM-L in zenith | 19.59 |
| Light pollution zone | Orange |
| Lm | |
| Comment | |
| Morris Format | 2015 Jul 13.85 UT: m1=11.4, Dia.=1.3', DC=5, Tail: 2 arcmin, in PA 210 deg ...25.5-cm L (70.6x) ...Danil Sidorko (Korenovsk, Russia) |
